regulation of DNA-templated transcription
glycine decarboxylation via glycine cleavage system
hydrolase activity, hydrolyzing O-glycosyl compounds
DNA-binding transcription factor activity
peptidoglycan glycosyltransferase activity
obsolete nucleic acid phosphodiester bond hydrolysis
'de novo' pyrimidine nucleobase biosynthetic process
dihydroorotate dehydrogenase (quinone) activity
efflux transmembrane transporter activity
monoatomic cation transmembrane transporter activity
rRNA (guanine-N7-)-methyltransferase activity
3-oxoacyl-[acyl-carrier-protein] synthase activity
S-adenosylmethionine-dependent methyltransferase activity
5-oxopent-3-ene-1,2,5-tricarboxylate decarboxylase activity
4-hydroxy-tetrahydrodipicolinate synthase activity
lysine biosynthetic process via diaminopimelate
phosphoribosylglycinamide formyltransferase activity
1,4-dihydroxy-2-naphthoyl-CoA synthase activity
siderophore-iron transmembrane transporter activity
phosphatidylcholine phospholipase C activity
Branched-chain amino acid biosynthetic process
peptide-methionine (R)-S-oxide reductase activity
type VI protein secretion system complex
Molybdenum cofactor biosynthetic process
Mo-molybdopterin cofactor biosynthetic process
DNA replication, synthesis of RNA primer
N-acylneuraminate-9-phosphate synthase activity
protein serine/threonine kinase activity
transcription-coupled nucleotide-excision repair, DNA damage recognition
3-hydroxy-2-butanone biosynthetic process
ubiquitin-like modifier activating enzyme activity
glutamate-1-semialdehyde 2,1-aminomutase activity
protoporphyrinogen IX biosynthetic process
ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor
phosphorelay response regulator activity
guanine phosphoribosyltransferase activity
hypoxanthine phosphoribosyltransferase activity
porphyrin-containing compound biosynthetic process
Proton-transporting ATP synthase complex catalytic core F(1)
proton motive force-driven plasma membrane ATP synthesis
proton-transporting ATP synthase activity, rotational mechanism
proton-transporting ATP synthase complex, catalytic core F(1)
oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen
NADH dehydrogenase (ubiquinone) activity
DNA topoisomerase type I (single strand cut, ATP-independent) activity
acyltransferase activity, transferring groups other than amino-acyl groups
oxidoreductase activity, acting on paired donors, with oxidation of a pair of donors resulting in the reduction of molecular oxygen to two molecules of water
oxidoreductase activity, acting on the CH-CH group of donors, NAD or NADP as acceptor
oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
Nicotinamide adenine dinucleotide phosphate
Nicotinic adenine dinucleotide phosphate
dTDP-4-dehydrorhamnose reductase activity
DNA topoisomerase type II (double strand cut, ATP-hydrolyzing) activity
S-methyl-5-thioadenosine phosphorylase activity
arabinan endo-1,5-alpha-L-arabinosidase activity
glucosamine-6-phosphate deaminase activity
peptide-methionine (S)-S-oxide reductase activity
glutamate-5-semialdehyde dehydrogenase activity
rRNA (adenine-N6,N6-)-dimethyltransferase activity
tRNA (adenine-N6)-methyltransferase activity
P-type potassium transmembrane transporter activity
holo-[acyl-carrier-protein] synthase activity
methylated-DNA-[protein]-cysteine S-methyltransferase activity
racemase activity, acting on amino acids and derivatives
hydrolase activity, acting on ester bonds
Guanosine 5'-monophosphate biosynthetic process
2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase activity
isopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway
N-acylneuraminate cytidylyltransferase activity
tryptophan catabolic process to kynurenine
linear malto-oligosaccharide phosphorylase activity
4-deoxy-L-threo-5-hexosulose-uronate ketol-isomerase activity
nucleoside triphosphate diphosphatase activity
beta-maltose 4-alpha-glucanotransferase activity
hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides
oxidoreductase activity, acting on the aldehyde or oxo group of donors, NAD or NADP as acceptor
DNA-directed 5'-3' RNA polymerase activity
protoheme IX farnesyltransferase activity
O-acetylhomoserine aminocarboxypropyltransferase activity
CDP-diacylglycerol-serine O-phosphatidyltransferase activity
thiamine diphosphate biosynthetic process
L-arabinose catabolic process to xylulose 5-phosphate
metal ion transmembrane transporter activity
glycine biosynthetic process from serine
glycine hydroxymethyltransferase activity
hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds
ATP-dependent DNA damage sensor activity
ribulose-bisphosphate carboxylase activity
1,4-alpha-glucan branching enzyme activity
1,4-alpha-glucan branching enzyme activity (using a glucosylated glycogenin as primer for glycogen synthesis)
negative regulation of DNA-templated transcription
ATP-binding cassette (ABC) transporter complex
protein secretion by the type VI secretion system
mechanosensitive monoatomic ion channel activity
phosphate:acyl-[acyl carrier protein] acyltransferase activity
peptidyl-prolyl cis-trans isomerase activity
N-acetylglucosamine-6-phosphate deacetylase activity
5-amino-6-(5-phosphoribosylamino)uracil reductase activity
phosphoribosylanthranilate isomerase activity
intracellular protein transmembrane transport
pantetheine-phosphate adenylyltransferase activity
adenylyl-sulfate reductase (thioredoxin) activity
phosphoadenylyl-sulfate reductase (thioredoxin) activity
sulfate assimilation, phosphoadenylyl sulfate reduction by phosphoadenylyl-sulfate reductase (thioredoxin)
2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase activity
phosphoribosylaminoimidazolecarboxamide formyltransferase activity
proteolysis involved in protein catabolic process
3-isopropylmalate dehydrogenase activity
intramolecular phosphotransferase activity
cobalt ion transmembrane transporter activity
magnesium ion transmembrane transporter activity
succinate-CoA ligase (ADP-forming) activity
succinate-CoA ligase (GDP-forming) activity
maltose alpha-D-glucosyltransferase activity
biotin-[acetyl-CoA-carboxylase] ligase activity
polysaccharide transmembrane transporter activity
phosphotransferase activity, alcohol group as acceptor
rhamnose transmembrane transporter activity
thiamine-phosphate diphosphorylase activity
dTDP-4-dehydrorhamnose 3,5-epimerase activity
nucleobase transmembrane transporter activity
purine nucleobase transmembrane transport
pyridoxine 5'-phosphate synthase activity
Aromatic amino acid family biosynthetic process
hydrolase activity, hydrolyzing N-glycosyl compounds
nucleobase-containing compound metabolic process
organonitrogen compound metabolic process
glucose-6-phosphate dehydrogenase activity
class I DNA-(apurinic or apyrimidinic site) endonuclease activity
2-phosphosulfolactate phosphatase activity
ATP-dependent chromatin remodeler activity
enoyl-[acyl-carrier-protein] reductase (NADH) activity
type I site-specific deoxyribonuclease activity
carboxyl- or carbamoyltransferase activity
tetraacyldisaccharide 4'-kinase activity
carbohydrate derivative biosynthetic process
glutamine-fructose-6-phosphate transaminase (isomerizing) activity
galactose-6-phosphate isomerase activity
pyrroline-5-carboxylate reductase activity
cellular modified amino acid biosynthetic process
arabinose-5-phosphate isomerase activity
carbohydrate derivative metabolic process
molybdate ion transmembrane transporter activity
6-carboxy-5,6,7,8-tetrahydropterin synthase activity
polyribonucleotide nucleotidyltransferase activity
dimethylallyl diphosphate biosynthetic process
isopentenyl-diphosphate delta-isomerase activity
enzyme-directed rRNA pseudouridine synthesis
hydrolase activity, acting on glycosyl bonds
initiator methionyl aminopeptidase activity
protein-glutamate O-methyltransferase activity
deoxyribonucleotide biosynthetic process
guanosine tetraphosphate metabolic process
acyl-phosphate glycerol-3-phosphate acyltransferase activity
D-glycero-D-manno-heptose 7-phosphate biosynthetic process
D-sedoheptulose 7-phosphate isomerase activity
acetolactate synthase regulator activity
non-membrane spanning protein tyrosine kinase activity
N-acetylmuramoyl-L-alanine amidase activity
2-hydroxy-3-oxopropionate reductase activity
mannose-1-phosphate guanylyltransferase (GDP) activity
nucleoside transmembrane transporter activity
quinoprotein glucose dehydrogenase activity
tyrosine-based site-specific recombinase activity
tRNA threonylcarbamoyladenosine modification
ATP synthesis coupled electron transport
extracellular polysaccharide biosynthetic process
glutaminyl-tRNA synthase (glutamine-hydrolyzing) activity
glutamyl-tRNA(Gln) amidotransferase complex
5-methyltetrahydropteroyltriglutamate-homocysteine S-methyltransferase activity
Glc3Man9GlcNAc2 oligosaccharide glucosidase activity
1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino]imidazole-4-carboxamide isomerase activity
hydrolase activity, acting on acid carbon-carbon bonds, in ketonic substances
prephenate dehydrogenase (NAD+) activity
prephenate dehydrogenase (NADP+) activity
regulation of DNA-templated transcription elongation
translation release factor activity, codon specific
deoxyribodipyrimidine photo-lyase activity
leucyl-tRNA--protein transferase activity
racemase and epimerase activity, acting on carbohydrates and derivatives
ATPase-coupled monoatomic cation transmembrane transporter activity
nicotinate phosphoribosyltransferase activity
UDP-N-acetylglucosamine 2-epimerase activity
UDP-N-acetylglucosamine metabolic process
oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor
galactose transmembrane transporter activity
glucose transmembrane transporter activity
xenobiotic transmembrane transporter activity
4-hydroxyphenylpyruvate dioxygenase activity
L-methionine salvage from methylthioadenosine
adenosylhomocysteine nucleosidase activity
methylthioadenosine nucleosidase activity
double-stranded DNA 3'-5' DNA exonuclease activity
nitrate transmembrane transporter activity
nitrite transmembrane transporter activity
transferase activity, transferring alkyl or aryl (other than methyl) groups
ribose phosphate diphosphokinase activity
1,4-dihydroxy-2-naphthoate octaprenyltransferase activity
mercury ion transmembrane transporter activity
L-threonine catabolic process to glycine
cell wall macromolecule catabolic process
protein-glutamate methylesterase activity
DNA-binding transcription activator activity
glycerol-3-phosphate biosynthetic process
glycerol-3-phosphate dehydrogenase [NAD(P)+] activity
glycerol-3-phosphate dehydrogenase complex
serine-type D-Ala-D-Ala carboxypeptidase activity
glycine dehydrogenase (decarboxylating) activity
phosphoribosylaminoimidazolesuccinocarboxamide synthase activity
phosphatidylglycerol-prolipoprotein diacylglyceryl transferase activity
site-specific DNA-methyltransferase (adenine-specific) activity
phosphoenolpyruvate carboxylase activity
16S rRNA (adenine(1518)-N(6)/adenine(1519)-N(6))-dimethyltransferase activity
acetyl-CoA biosynthetic process from pyruvate
pyruvate dehydrogenase (acetyl-transferring) activity
Pteroylglutamic acid biosynthetic process
proton-transporting ATPase activity, rotational mechanism
2-amino-4-hydroxy-6-hydroxymethyldihydropteridine diphosphokinase activity
shikimate 3-dehydrogenase (NADP+) activity
phosphogluconate dehydrogenase (decarboxylating) activity
peptide transmembrane transporter activity
imidazoleglycerol-phosphate synthase activity
methylmalonate-semialdehyde dehydrogenase (acylating, NAD) activity
DNA-3-methyladenine glycosylase activity
pyrimidine nucleotide biosynthetic process
macrolide transmembrane transporter complex
xenobiotic detoxification by transmembrane export across the plasma membrane
O-phospho-L-serine:2-oxoglutarate aminotransferase activity
4-alpha-hydroxytetrahydrobiopterin dehydratase activity
tetrahydrobiopterin biosynthetic process
protein transmembrane transporter activity
hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides
oxidoreductase activity, acting on CH-OH group of donors
molybdenum cofactor guanylyltransferase activity
trans-aconitate 2-methyltransferase activity
2,3-bisphosphoglycerate-independent phosphoglycerate mutase activity
glucose-1-phosphate thymidylyltransferase activity
phosphopantothenate--cysteine ligase activity
phosphopantothenoylcysteine decarboxylase activity
4-(cytidine 5'-diphospho)-2-C-methyl-D-erythritol kinase activity
beta-ketoacyl-acyl-carrier-protein synthase III activity
fructose 1,6-bisphosphate 1-phosphatase activity
thioredoxin-disulfide reductase (NADP) activity
histidinol-phosphate transaminase activity
gluconate transmembrane transporter activity
methylenetetrahydrofolate reductase (NAD(P)H) activity
1,6-anhydro-N-acetyl-beta-muramic acid catabolic process
3-deoxy-manno-octulosonate cytidylyltransferase activity
CMP-keto-3-deoxy-D-manno-octulosonic acid biosynthetic process
(3R)-hydroxyacyl-[acyl-carrier-protein] dehydratase activity
(3R)-hydroxymyristoyl-[acyl-carrier-protein] dehydratase activity
UDP-3-O-[3-hydroxymyristoyl] N-acetylglucosamine deacetylase activity
UDP-3-O-acyl-N-acetylglucosamine deacetylase activity
isocitrate dehydrogenase (NADP+) activity
inositol monophosphate 1-phosphatase activity
inositol monophosphate 3-phosphatase activity
inositol monophosphate 4-phosphatase activity
phosphatidylinositol phosphate biosynthetic process
folic acid-containing compound biosynthetic process
4-hydroxythreonine-4-phosphate dehydrogenase activity
UDP-N-acetylmuramoylalanyl-D-glutamate-2,6-diaminopimelate ligase activity
L-aspartate:fumarate oxidoreductase activity
asparaginyl-tRNA synthase (glutamine-hydrolyzing) activity
negative regulation of DNA recombination
tRNA (guanine(37)-N1)-methyltransferase activity
5-(carboxyamino)imidazole ribonucleotide mutase activity
arginine biosynthetic process via ornithine
phosphoribosylformylglycinamidine cyclo-ligase activity
diphosphate hydrolysis-driven proton transmembrane transporter activity
inorganic diphosphate phosphatase activity
carbamoyl-phosphate synthase (glutamine-hydrolyzing) activity
mannan endo-1,4-beta-mannosidase activity
diaminohydroxyphosphoribosylaminopyrimidine deaminase activity
4-alpha-D-(1->4)-alpha-D-glucanotrehalose trehalohydrolase activity
UDP-N-acetylmuramate dehydrogenase activity
type III site-specific deoxyribonuclease activity
glyceraldehyde-3-phosphate dehydrogenase (NAD+) (non-phosphorylating) activity
glucose-fructose oxidoreductase activity
P450-containing electron transport chain
nicotinate-nucleotide diphosphorylase (carboxylating) activity
potassium ion transmembrane transporter activity
cysteine biosynthetic process from serine
negative regulation of ribosome biogenesis
galactoside 2-alpha-L-fucosyltransferase activity
adenosylcobinamide-GDP ribazoletransferase activity
cobalamin 5'-phosphate synthase activity
glycerol-3-phosphate dehydrogenase (quinone) activity
UDP-N-acetylmuramoyl-tripeptide-D-alanyl-D-alanine ligase activity
UDP-N-acetylmuramoylalanyl-D-glutamyl-2,6-diaminopimelate-D-alanyl-D-alanine ligase activity
rRNA (adenine(2503)-C2-)-methyltransferase activity
tRNA (adenine(37)-C2)-methyltransferase activity
1-deoxy-D-xylulose-5-phosphate reductoisomerase activity
pteridine-containing compound metabolic process
S-adenosylmethionine:2-demethylmenaquinol methyltransferase activity
S-adenosylmethionine:2-demethylmenaquinol-7 methyltransferase activity
S-adenosylmethionine:2-demethylquinol-8 methyltransferase activity
demethylmenaquinone methyltransferase activity
tRNA (guanine(46)-N7)-methyltransferase activity
2-dehydro-3-deoxygalactonokinase activity
SRP-dependent cotranslational protein targeting to membrane
oxidoreductase activity, acting on the aldehyde or oxo group of donors, disulfide as acceptor
orotidine-5'-phosphate decarboxylase activity
S-adenosylmethionine:tRNA ribosyltransferase-isomerase activity
glycopeptide alpha-N-acetylgalactosaminidase activity
'de novo' L-methionine biosynthetic process
glycerophospholipid biosynthetic process
phosphoglycerol geranylgeranyltransferase activity
4-hydroxy-3-methylbut-2-en-1-yl diphosphate synthase activity
RNA polymerase II transcription regulatory region sequence-specific DNA binding
purine-rich negative regulatory element binding
UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-meso-2,6-diaminopimelyl-D-alanyl-D-alanine:undecaprenyl-phosphate transferase activity
phospho-N-acetylmuramoyl-pentapeptide-transferase activity
dolichyl-phosphate beta-D-mannosyltransferase activity
ammonium transmembrane transporter activity
phosphatidate cytidylyltransferase activity
NAD-dependent protein deacetylase activity
protein-malonyllysine demalonylase activity
protein-succinyllysine desuccinylase activity
5-oxoprolinase (ATP-hydrolyzing) activity
glutamate dehydrogenase [NAD(P)+] activity
uroporphyrin-III C-methyltransferase activity
aspartate-semialdehyde dehydrogenase activity
rRNA (cytosine-2'-O-)-methyltransferase activity
methylenetetrahydrofolate reductase NADH activity
ADP-dependent NAD(P)H-hydrate dehydratase activity
nicotinamide nucleotide metabolic process
3-phosphoshikimate 1-carboxyvinyltransferase activity
racemase and epimerase activity, acting on amino acids and derivatives
3-hydroxyacyl-CoA dehydrogenase activity
D-ribulose-phosphate 3-epimerase activity
N-acetyl-beta-D-galactosaminidase activity
ferrous iron transmembrane transporter activity
acyl-[acyl-carrier-protein]-UDP-N-acetylglucosamine O-acyltransferase activity
'de novo' GDP-L-fucose biosynthetic process
outer membrane-bounded periplasmic space
leukotriene C4 gamma-glutamyl transferase activity
intracellular membrane-bounded organelle
L-lysine catabolic process to acetyl-CoA via saccharopine
dihydrolipoyllysine-residue succinyltransferase activity
cellulose synthase (UDP-forming) activity
3-methyl-2-oxobutanoate hydroxymethyltransferase activity
1-deoxy-D-xylulose 5-phosphate biosynthetic process
1-deoxy-D-xylulose-5-phosphate synthase activity
uroporphyrinogen III biosynthetic process
transcription elongation-coupled chromatin remodeling
S-adenosylmethionine biosynthetic process
nicotinate-nucleotide-dimethylbenzimidazole phosphoribosyltransferase activity
UDP-N-acetylgalactosamine biosynthetic process
UDP-N-acetylglucosamine 1-carboxyvinyltransferase activity
L-glutamine:2-oxoglutarate aminotransferase activity
glutamine-scyllo-inositol transaminase activity
negative regulation of translational elongation
UTP:glucose-1-phosphate uridylyltransferase activity
phosphoribosyl-AMP cyclohydrolase activity
phosphoribosyl-ATP diphosphatase activity
indole-3-glycerol-phosphate synthase activity
oxidoreductase activity, acting on metal ions
molybdopterin molybdotransferase activity
phosphoribosylamine-glycine ligase activity
obsolete ornithine(lysine) transaminase activity
cellular aromatic compound metabolic process
oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen
Adenosine 5'-triphosphate biosynthetic process
Adenosine triphosphate biosynthetic process
Proton-transporting ATP synthase complex coupling factor F(0)
proton-transporting ATP synthase complex, coupling factor F(o)
6,7-dimethyl-8-ribityllumazine synthase activity
oxidative single-stranded DNA demethylation
3-oxoacyl-[acyl-carrier-protein] reductase (NADPH) activity
4-hydroxy-tetrahydrodipicolinate reductase
oxidoreductase activity, acting on CH or CH2 groups, NAD or NADP as acceptor
negative regulation of Wnt signaling pathway
acetyl-CoA biosynthetic process from acetate
nicotinate-nucleotide adenylyltransferase activity
1-pyrroline-5-carboxylate dehydrogenase activity
dihydrolipoyllysine-residue acetyltransferase activity
oxoglutarate dehydrogenase (succinyl-transferring) activity
cyclic pyranopterin monophosphate synthase activity
protein-(glutamine-N5) methyltransferase activity
protein-glutamine N-methyltransferase activity
D-lactate dehydrogenase (cytochrome) activity
sugar transmembrane transporter activity
cobinamide phosphate guanylyltransferase activity
phosphotransferase activity, for other substituted phosphate groups
cystathionine gamma-synthase activity (acts on O-phosphohomoserine)
N-acetylgalactosamine-6-phosphate deacetylase activity
2,3,4,5-tetrahydropyridine-2,6-dicarboxylate N-succinyltransferase activity
imidazoleglycerol-phosphate dehydratase activity
carbon-nitrogen ligase activity, with glutamine as amido-N-donor
ADP-L-glycero-beta-D-manno-heptose biosynthetic process
ADP-glyceromanno-heptose 6-epimerase activity
[acyl-carrier-protein] S-malonyltransferase activity
anthranilate phosphoribosyltransferase activity
tRNA-(2-methylthio-N-6-(cis-hydroxy)isopentenyl adenosine)-hydroxylase activity
ligase activity, forming carbon-nitrogen bonds
pentose-phosphate shunt, non-oxidative branch
oxidoreductase activity, acting on NAD(P)H, heme protein as acceptor
acyl-[acyl-carrier-protein] desaturase activity
oxidoreductase activity, acting on the CH-NH2 group of donors, NAD or NADP as acceptor
methenyltetrahydrofolate cyclohydrolase activity
methylenetetrahydrofolate dehydrogenase (NADP+) activity
2-dehydro-3-deoxyglucarate aldolase activity
NAD+ synthase (glutamine-hydrolyzing) activity
tRNA-guanosine(34) queuine transglycosylase activity
(S)-2-(5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido) succinate lyase (fumarate-forming) activity
N6-(1,2-dicarboxyethyl)AMP AMP-lyase (fumarate-forming) activity
inorganic phosphate transmembrane transporter activity
tetrahydrofolylpolyglutamate synthase activity
coproporphyrinogen dehydrogenase activity
phosphoribosylformylglycinamidine synthase activity
nicotinamide riboside transmembrane transporter activity
2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylic-acid synthase activity
1-alkyl-2-acetylglycerophosphocholine esterase activity
malate dehydrogenase (decarboxylating) (NAD+) activity
malate dehydrogenase (decarboxylating) (NADP+) activity
N4-(beta-N-acetylglucosaminyl)-L-asparaginase activity
[acyl-carrier-protein] phosphodiesterase activity
3-deoxy-8-phosphooctulonate synthase activity
glycerol dehydrogenase (acceptor) activity
oxidoreductase activity, acting on the CH-CH group of donors
alpha,alpha-trehalose-phosphate synthase (UDP-forming) activity
phosphatidylethanolamine biosynthetic process
phosphatidylserine decarboxylase activity
UDP-N-acetyl-D-glucosamine:N-acetylmuramoyl-L-alanyl-D-glutamyl-meso-2,6-diaminopimelyl-D-alanyl-D-alanine-diphosphoundecaprenol 4-beta-N-acetylglucosaminlytransferase activity
undecaprenyldiphospho-muramoylpentapeptide beta-N-acetylglucosaminyltransferase activity
L-leucine:2-oxoglutarate aminotransferase activity
5-formyltetrahydrofolate cyclo-ligase activity
4-hydroxy-3-methylbut-2-en-1-yl diphosphate reductase activity
DNA unwinding involved in DNA replication
glucose-1-phosphate cytidylyltransferase activity