Methionyl/Valyl/Leucyl/Isoleucyl-tRNA synthetase anticodon-binding
DNA-directed RNA polymerase subunit 2 hybrid-binding
Gamma tubulin complex component C-terminal
Ubiquitin carboxyl-terminal hydrolase family 1 cysteine active-site
Serine/threonine specific protein phosphatases
Protein ENHANCED DISEASE RESISTANCE 2 C-terminal
Inosine/uridine-preferring nucleoside hydrolase
Cleavage/polyadenylation specificity factor A subunit C-terminal
Cleavage/polyadenylation specificity factor A subunit N-terminal
Glutamyl/glutaminyl-tRNA synthetase class Ib anti-codon binding
Glutamyl/glutaminyl-tRNA synthetase class Ib catalytic
Translation elongation factor EFTs/EF1B dimerisation
Activator of Hsp90 ATPase AHSA1-like N-terminal
Pentacotripeptide-repeat region of PRORP
Bicarbonate transporter-like transmembrane
3-beta hydroxysteroid dehydrogenase/isomerase
Glucosamine/galactosamine-6-phosphate isomerase
Membrane insertase YidC/Oxa/ALB C-terminal
Aspartate/ornithine carbamoyltransferase Asp/Orn-binding
Aspartate/ornithine carbamoyltransferase carbamoyl-P binding
NIF system FeS cluster assembly NifU C-terminal
Nuclear pore localisation protein NPL4 C-terminal
Nuclear pore localisation protein Npl4 ubiquitin-like
Moybdenum cofactor oxidoreductase dimerisation
RNA 2-O ribose methyltransferase substrate binding
Homologous-pairing protein 2 winged helix
Transcription initiation factor IIA gamma subunit C-terminal
Transcription initiation factor IIA gamma subunit N-terminal
Aminoacyl-transfer RNA synthetases class-II family profile
Rubisco accumulation factor 1 C-terminal
Rubisco accumulation factor 1 alpha helical
Rubisco accumulation factor 1 helix turn helix
Septum formation inhibitor MinC C-terminal
Major facilitator superfamily (MFS) profile
Nuclear condensin complex subunit 3 C-terminal
Electron transfer via tryptophanyl radical
Pyruvate phosphate dikinase AMP/ATP-binding
Beta-ketoacyl-[acyl-carrier-protein] synthase III C-terminal
Beta-ketoacyl-[acyl-carrier-protein] synthase III N-terminal
Anaphase-promoting complex subunit 1 C-terminal
Anaphase-promoting complex subunit 1 middle
3-hydroxyacyl-CoA dehydrogenase C-terminal
3-hydroxyacyl-CoA dehydrogenase NAD binding
Phosphatidic acid phosphatase type 2/haloperoxidase
Peptide methionine sulphoxide reductase MsrA
Pseudouridine synthase I TruA alpha/beta
Small nuclear ribonucleoprotein Prp3 C-terminal
Transcription factor CBF/NF-Y/archaeal histone
Cation-transporting P-type ATPase C-terminal
Large ribosomal subunit protein uL11 C-terminal
Large ribosomal subunit protein uL11 N-terminal
Sodium/calcium exchanger membrane region
Nucleolar 27S pre-rRNA processing Urb2/Npa2 C-terminal
U3 small nucleolar RNA-associated protein 13 C-terminal
Alpha-1,6-glucosidases pullulanase-type C-terminal
Glycoside hydrolase family 13 N-terminal
Pullulanase carbohydrate-binding module 41
DNA polymerase alpha/delta/epsilon subunit B
Prokaryotic-type class I peptide chain release factors
Glycosyl transferase CAP10 domain-containing protein
Cation-transporting P-type ATPase N-terminal
Nucleolar GTP-binding protein 1 Rossman-fold
6-phosphogluconate dehydrogenase C-terminal
Trigger factor ribosome-binding bacterial
Manganese/iron superoxide dismutase C-terminal
Manganese/iron superoxide dismutase N-terminal
Methyltransferase type 11 domain-containing protein
Anthranilate synthase component I N-terminal
Ubiquitin-like modifier-activating enzyme Atg7 N-terminal
NADH:ubiquinone oxidoreductase intermediate-associated protein 30
ditrans,polycis-polyprenyl diphosphate synthase [(2E,6E)-farnesyldiphosphate specific]
Pyridine nucleotide-disulphide oxidoreductase dimerisation
Fe-S hydro-lyase tartrate dehydratase alpha-type catalytic
Fe-S hydro-lyase tartrate dehydratase beta-type catalytic
Ribosomal RNA-processing protein 14/surfeit locus protein 6 C-terminal
Nucleotide-diphospho-sugar transferase domain-containing protein
Fructose-1-6-bisphosphatase class 1 C-terminal
Fructose-1-6-bisphosphatase class I N-terminal
Programmed cell death protein 2 C-terminal
DNA mismatch repair proteins mutS family
DNA-directed DNA polymerase family A palm
Peptidase M20 dimerisation domain-containing protein
Large ribosomal subunit protein bL12 C-terminal
Large ribosomal subunit protein bL12 oligomerization
Right handed beta helix domain-containing protein
DNA-directed RNA polymerase RBP11-like dimerisation
tRNA(Met) cytidine acetyltransferase TmcA N-terminal
Anaphase-promoting complex subunit 4 long
Anaphase-promoting complex subunit 4-like WD40
Schiff-base intermediate with D-ribose 5-phosphate
Lipocalin/cytosolic fatty-acid binding domain-containing protein
N-(5'phosphoribosyl) anthranilate isomerase (PRAI)
Pesticidal crystal protein Cry22Aa Ig-like
Cyanobacterial aminoacyl-tRNA synthetase CAAD
Translation factor GUF1 homolog, mitochondrial
Glycoside hydrolase family 31 N-terminal
Glycoside hydrolase family 31 N-terminal domain-containing protein
Histone chaperone RTT106/FACT complex subunit SPT16-like middle
Alpha-ketoglutarate-dependent dioxygenase AlkB-like
Peptidase S9 prolyl oligopeptidase catalytic
Large ribosomal subunit protein uL15/eL18
UDP-glucose/GDP-mannose dehydrogenase N-terminal
Tryptophan synthase beta chain-like PALP
Bacterial bifunctional deaminase-reductase C-terminal
DDB1- and CUL4-associated factor 15 WD40 repeat-containing
Gamma tubulin complex component protein N-terminal
RNA-binding protein Tab2-like N-terminal
RNA-binding protein Tab2/Atab2 C-terminal
Pre-mRNA processing factor 4 (PRP4)-like
Glycosyl transferase family 3 N-terminal
Diacylglycerol glucosyltransferase N-terminal
Glycosyl transferase family 28 C-terminal
Protein kinase domain-containing protein
Plastid lipid-associated protein/fibrillin conserved
Endoplasmic reticulum vesicle transporter C-terminal
Endoplasmic reticulum vesicle transporter N-terminal
CSC1/OSCA1-like N-terminal transmembrane
D-isomer specific 2-hydroxyacid dehydrogenase NAD-binding
D-isomer specific 2-hydroxyacid dehydrogenase catalytic
Mitochondrial splicing suppressor 51-like C-terminal
Nitrite/Sulfite reductase ferredoxin-like
May act as a substrate filter by repelling compounds with a negatively charged alpha-carboxylate
RNA-polymerase II-associated protein 3-like C-terminal
Large ribosomal subunit protein uL18 C-terminal eukaryotes
Large ribosomal subunit protein uL2 C-terminal
Nitric oxide synthase-interacting protein zinc-finger
Quinate/shikimate 5-dehydrogenase/glutamyl-tRNA reductase
Shikimate dehydrogenase substrate binding N-terminal
Inositol polyphosphate-related phosphatase
Ribosomal RNA adenine methylase transferase N-terminal
Vacuolar protein sorting-associated protein 13 extended chorein
U4/U6.U5 small nuclear ribonucleoprotein 27kDa protein
DNA-directed DNA polymerase family B exonuclease
DNA-directed DNA polymerase family B multifunctional
Very-long-chain aldehyde decarbonylase CER1-like C-terminal
tRNA uridine 5-carboxymethylaminomethyl modification enzyme C-terminal subdomain
Trafficking protein particle complex subunit 11
Exostosin GT47 domain-containing protein
GPI ethanolamine phosphate transferase 1 C-terminal
Methionyl-tRNA synthetase anticodon-binding
Nucleoporin Nup133/Nup155-like C-terminal
Glycylpeptide N-tetradecanoyltransferase C-terminal
Glycylpeptide N-tetradecanoyltransferase N-terminal
Peptidase M1 membrane alanine aminopeptidase
Intron-binding protein aquarius N-terminal
Formamidopyrimidine-DNA glycosylase catalytic
Copper type II ascorbate-dependent monooxygenase C-terminal
Copper type II ascorbate-dependent monooxygenase N-terminal
Translation initiation factor beta propellor-like
DNA-directed RNA polymerase I subunit RPA2
Tyrosine-protein kinase ephrin type A/B receptor-like
Tyrosine-protein kinase ephrin type A/B receptor-like domain-containing protein
SAM-dependent methyltransferase Erg6/SMT-type
Alanine--tRNA ligase, chloroplastic/mitochondrial
NADH-rubredoxin oxidoreductase C-terminal
Arsenosugar biosynthesis radical SAM protein ArsS-like C-terminal
Peptidase S9 prolyl oligopeptidase catalytic domain-containing protein
Conserved oligomeric Golgi complex subunit 2 N-terminal
Uso1/p115-like vesicle tethering protein C-terminal
Translocon-associated protein subunit beta
2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase
Magnesium-protoporphyrin IX methyltransferase C-terminal
Glyceraldehyde 3-phosphate dehydrogenase NAD(P) binding
tRNA(Ile)-lysidine/2-thiocytidine synthase N-terminal
C4-type zinc-finger of DNA polymerase delta
Voltage-dependent L-type calcium channel IQ-associated
Cytochrome C biogenesis protein transmembrane
FAD-dependent oxidoreductase 2 FAD binding
Fumarate reductase/succinate dehydrogenase flavoprotein-like C-terminal
Serine/threonine-protein phosphatase 4 regulatory subunit 3-like central
Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)
Quinolinate phosphoribosyl transferase C-terminal
Quinolinate phosphoribosyl transferase N-terminal
ER membrane protein complex subunit 7 beta-sandwich
Damage-control phosphatase ARMT1-like metal-binding
Aminoglycoside phosphotransferase domain-containing protein
1-deoxy-D-xylulose 5-phosphate reductoisomerase C-terminal
1-deoxy-D-xylulose 5-phosphate reductoisomerase N-terminal
Transcriptional coactivator p15 (PC4) C-terminal
Methyltransferase FkbM domain-containing protein
Pyridoxamine kinase/Phosphomethylpyrimidine kinase
Nucleolar complex-associated protein 3 N-terminal
Vacuolar protein sorting-associated protein 54 C-terminal
Vacuolar protein sorting-associated protein 54 N-terminal
SUF system FeS cluster assembly SufBD N-terminal
Interaction with phosphoserine on interacting protein
Beta-carotene isomerase D27-like C-terminal
Translation factor GUF1 homolog, chloroplastic
Multiple myeloma tumor-associated protein 2-like N-terminal
Ubiquitin-activating enzyme E1 C-terminal
Aspartate/homoserine dehydrogenase NAD-binding
Large ribosomal subunit protein bL25 L25
Large ribosomal subunit protein bL25 beta
Phosphatidylserine amidated glycine; alternate
3-hydroxyisobutyrate dehydrogenase-like NAD-binding
6-phosphogluconate dehydrogenase NADP-binding
Oxidoreductase molybdopterin-binding domain-containing protein
16S/18S rRNA aminocarboxypropyltransferase Tsr3 C-terminal
RNase L inhibitor RLI-like possible metal-binding
Limiting CO2-inducible protein B/C beta carbonyic anhydrase
Cysteine sulfenic acid (-SOH) intermediate
Ribosome biogenesis protein BMS1/TSR1 C-terminal
Sugar fermentation stimulation protein C-terminal
Glutamyl-tRNA(Gln) amidotransferase subunit B, chloroplastic/mitochondrial
Glycosyltransferase subfamily 4-like N-terminal
TATA element modulatory factor 1 TATA binding
Proliferating cell nuclear antigen PCNA C-terminal
Proliferating cell nuclear antigen PCNA N-terminal
Exocyst complex component Sec3 C-terminal
tRNA-specific 2-thiouridylase MnmA-like C-terminal
tRNA-specific 2-thiouridylase MnmA-like central
peptide-methionine (S)-S-oxide reductase
DNA replication complex GINS protein SLD5 C-terminal
Abscisic acid G-protein coupled receptor-like
Non-structural maintenance of chromosome element 4 C-terminal
Glycerol-3-phosphate dehydrogenase NAD-dependent C-terminal
Glycerol-3-phosphate dehydrogenase NAD-dependent N-terminal
Coenzyme F420 hydrogenase/dehydrogenase beta subunit C-terminal
Coenzyme F420 hydrogenase/dehydrogenase beta subunit N-terminal
Translation initiation factor 3 C-terminal
Translation initiation factor 3 N-terminal
26S proteasome regulatory subunit RPN2 C-terminal
U3 small nucleolar RNA-associated protein 15 C-terminal
Micro-fibrillar-associated protein 1 C-terminal
25S rRNA (uridine-N(3))-methyltransferase BMT5-like
DNA endonuclease activator Ctp1 C-terminal
Acyl-CoA dehydrogenase/oxidase C-terminal
Acyl-CoA dehydrogenase/oxidase N-terminal
Eukaryotic translation initiation factor 6
U3 small nucleolar RNA-associated protein 20 C-terminal
U3 small nucleolar RNA-associated protein 20 N-terminal
Pyridoxamine 5'-phosphate oxidase Alr4036 family FMN-binding
Critical for specifying symmetric addition of methyl groups
SUEL-type lectin domain-containing protein
Phosphorylated adapter RNA export protein RNA-binding
PI3K/PI4K catalytic domain-containing protein
Thiamin pyrophosphokinase thiamin-binding
Cysteine sulfenic acid (-SOH) intermediate; for peroxidase activity
Vanillate O-demethylase oxygenase-like C-terminal catalytic
Major facilitator superfamily associated
Minichromosome loss protein Mcl1 middle region
AMP-activated protein kinase glycogen-binding
Large ribosomal subunit protein uL6 alpha-beta
Phosphoribosylformylglycinamidine synthase N-terminal
Phosphoribosylformylglycinamidine synthase linker
Magnesium chelatase subunit H N-terminal
Clathrin/coatomer adaptor adaptin-like N-terminal
Aconitase A/isopropylmalate dehydratase small subunit swivel
Aconitase/3-isopropylmalate dehydratase large subunit alpha/beta/alpha
Formiminotransferase N-terminal subdomain
DNA primase/polymerase bifunctional N-terminal
R-spondin Fu-CRD domain-containing protein
RNA polymerase II-associated protein 1 C-terminal
RNA polymerase II-associated protein 1 N-terminal
Vacuolar protein sorting-associated protein 8 central
Transcription initiation factor TFIID subunit 12
Nicotinate phosphoribosyltransferase C-terminal
Nicotinate phosphoribosyltransferase N-terminal
Nicotinate/nicotinamide phosphoribosyltransferase
Nucleoporin Nup133/Nup155-like N-terminal
Tetrahydrofolate dehydrogenase/cyclohydrolase NAD(P)-binding
Tetrahydrofolate dehydrogenase/cyclohydrolase catalytic
Nuclear speckle splicing regulatory protein 1 N-terminal
Alpha-ketoglutarate-dependent dioxygenase FTO catalytic
Histone deacetylase complex subunit SAP30 Sin3 binding
Iron/zinc purple acid phosphatase-like C-terminal
tRNA-splicing endonuclease subunit Sen54 N-terminal
Gamma-glutamylcyclotransferase AIG2-like
Pre-mRNA 3'-end-processing endonuclease polyadenylation factor C-term
CobB/CobQ-like glutamine amidotransferase
UDP-glucose/GDP-mannose dehydrogenase C-terminal
Saposin B-type domain-containing protein
Glycine cleavage T-protein C-terminal barrel
Transcription factor IIIC subunit Tfc1/Sfc1 triple barrel
Carbamoyl-phosphate synthase small subunit N-terminal
Superoxide dismutase copper/zinc binding
tRNA nucleotidyltransferase/poly(A) polymerase RNA and SrmB- binding
SAM-dependent methyltransferase TRM5/TYW2-type
Thiamine pyrophosphate enzyme N-terminal TPP-binding
Thiamine pyrophosphate enzyme TPP-binding
Phosphatidylinositol-specific phospholipase C X
FAD/NAD(P)-binding domain-containing protein
Mitochondrial outer membrane transport complex Sam37/metaxin N-terminal
PLD phosphodiesterase domain-containing protein
Ribosomal RNA-processing protein 7 C-terminal
Transcription elongation factor Spt6 YqgF
Transcription elongation factor Spt6 helix-hairpin-helix motif
Aromatic amino acid beta-eliminating lyase/threonine aldolase
Origin recognition complex subunit 3 N-terminal
Origin recognition complex subunit 3 winged helix C-terminal
Histone RNA hairpin-binding protein RNA-binding
DNA/pantothenate metabolism flavoprotein C-terminal
CASTOR/POLLUX/SYM8 ion channel conserved
Vesicle tethering protein Uso1/P115-like head
Ribosomal RNA small subunit methyltransferase E methyltransferase
ATPase F1/V1/A1 complex alpha/beta subunit N-terminal
ATPase F1/V1/A1 complex alpha/beta subunit nucleotide-binding
FAD-binding PCMH-type domain-containing protein
Ribulose bisphosphate carboxylase small subunit
Glycosyl transferase family 1 domain-containing protein
Cytochrome b/b6 C-terminal region profile
Coatomer gamma subunit appendage Ig-like subdomain
Ribulose bisphosphate carboxylase large subunit C-terminal
Pre-rRNA-processing protein Ipi1 N-terminal
Fe2OG dioxygenase domain-containing protein
Phospholipase/carboxylesterase/thioesterase domain-containing protein
Ribosomal RNA small subunit methyltransferase E PUA-like
CCR4-NOT transcription complex subunit 1
CCR4-NOT transcription complex subunit 1 CAF1-binding
CCR4-NOT transcription complex subunit 1 HEAT repeat
CCR4-NOT transcription complex subunit 1 TTP binding
CCR4-Not complex component Not1 C-terminal
Apoptosis-antagonizing transcription factor C-terminal
tRNA pseudouridylate synthase B C-terminal
Protein translocase subunit SecA, chloroplastic
ATP synthase F1 complex delta/epsilon subunit N-terminal
TATA-binding protein interacting (TIP20)
Vacuolar protein sorting-associated protein 13 VPS13 adaptor binding
Proteasome activator complex subunit 4 C-terminal
Spo11/DNA topoisomerase VI subunit A N-terminal
Cdk-activating kinase assembly factor MAT1 centre
Large ribosomal subunit protein bL9 C-terminal
Retinoblastoma-associated protein N-terminal
26S proteasome non-ATPase regulatory subunit RPN1 C-terminal
Phospholipid/glycerol acyltransferase domain-containing protein
18S rRNA (guanine(1575)-N(7))-methyltransferase Bud23 C-terminal
Nuclear pore complex protein NUP96 C-terminal
Molybdopterin cofactor biosynthesis C (MoaC)
Photosystem I PsaL reaction centre subunit XI
Phosphomannose isomerase type I catalytic
Phosphomannose isomerase type I helical insertion
U2A'/phosphoprotein 32 family A C-terminal
Phosphatidic acid phosphatase type 2/haloperoxidase domain-containing protein
Peptidase M1 alanyl aminopeptidase C-terminal
Peptidase M1 alanyl aminopeptidase Ig-like fold
Peptidase A22B, signal peptide peptidase
ER membrane protein complex subunit 1 C-terminal
Cell division control protein 73 C-terminal
Small ribosomal subunit protein uS4 N-terminal
Origin recognition complex subunit 5 C-terminal
CDP-diacylglycerol--serine O-phosphatidyltransferase
CBF1-interacting co-repressor CIR N-terminal
Histone-binding protein RBBP4 N-terminal
Large ribosomal subunit protein uL10-like insertion
Large ribosomal subunit protein uL5 C-terminal
Large ribosomal subunit protein uL5 N-terminal
Telomeric single stranded DNA binding POT1/Cdc13
Photosynthesis system II assembly factor Ycf48/Hcf136-like
Telomere length regulation protein conserved
Protein-S-isoprenylcysteine O-methyltransferase
UDP-glucose/GDP-mannose dehydrogenase dimerisation
Large ribosomal subunit protein uL4 C-terminal
Myo-inositol-1-phosphate synthase GAPDH-like
DNA-directed RNA polymerase RpoA/D/Rpb3-type
Tetrapyrrole biosynthesis uroporphyrinogen III synthase
Adenylosuccinate synthetase, chloroplastic
Clathrin adaptor alpha/beta/gamma-adaptin appendage Ig-like subdomain
Coatomer beta subunit appendage platform
Alpha-D-phosphohexomutase alpha/beta/alpha
Nucleolar pre-ribosomal-associated protein 1 C-terminal
Nucleolar pre-ribosomal-associated protein 1 N-terminal
Small ribosomal subunit protein uS17 N-terminal
TATA box binding protein associated factor (TAF) histone-like fold
Piezo non-specific cation channel R-Ras-binding
Spindle assembly abnormal protein 6 N-terminal
RecQ mediated genome instability protein 1 N-terminal
Chromosome segregation protein Spc25 C-terminal
Polyribonucleotide 5'-hydroxyl-kinase Clp1 P-loop
Alcohol dehydrogenase iron-type/glycerol dehydrogenase GldA
Rad21/Rec8-like protein C-terminal eukaryotic
Tryptophan synthase beta chain-like PALP domain-containing protein
N-acetyltransferase ESCO acetyl-transferase
Ribose-phosphate pyrophosphokinase N-terminal
Glucose-6-phosphate dehydrogenase C-terminal
Glucose-6-phosphate dehydrogenase NAD-binding
Exocyst complex component EXOC2/Sec5 N-terminal
Beta-lactamase-related domain-containing protein
Translation elongation factor IF5A C-terminal
NF-kappa-B-activating protein C-terminal
Ubiquitin/SUMO-activating enzyme ubiquitin-like
Dihydrodipicolinate reductase C-terminal
Dihydrodipicolinate reductase N-terminal
Small ribosomal subunit protein uS15 N-terminal
NIF system FeS cluster assembly NifU N-terminal
Increases the nucleophilicity of the active site Cys
Important for beta-aspartyl-AMP intermediate formation
Aminoacyl-tRNA synthetase class I anticodon-binding
Alanyl-transfer RNA synthetases family profile
Breast cancer type 2 susceptibility protein helical
Guanylate cyclase domain-containing protein
Alpha-glycerophosphate oxidase C-terminal
DNA polymerase epsilon catalytic subunit A C-terminal
Replication factor-A protein 1 N-terminal
Small ribosomal subunit protein mS35 mitochondrial conserved
Beta-adaptin appendage C-terminal subdomain
RNA polymerase subunit H/Rpb5 C-terminal
Pyrroline-5-carboxylate reductase catalytic N-terminal
Pyrroline-5-carboxylate reductase dimerisation
DNA topoisomerase VI subunit B transducer
Eukaryotic translation initiation factor 3 subunit C N-terminal
Pre-mRNA cleavage complex subunit Clp1 C-terminal
NADH-ubiquinone oxidoreductase 51kDa subunit iron-sulphur binding
GPI ethanolamine phosphate transferase 2 C-terminal
Arginine biosynthesis bifunctional protein ArgJ alpha chain
Arginine biosynthesis bifunctional protein ArgJ beta chain
Involved in the stabilization of negative charge on the oxyanion by the formation of the oxyanion hole
Ancestral coatomer element 1 Sec16/Sec31
Tetrapyrrole biosynthesis glutamyl-tRNA reductase dimerisation
Dienelactone hydrolase domain-containing protein
PhoD-like phosphatase metallophosphatase
Isopenicillin N synthase-like Fe(2+) 2OG dioxygenase
Histone acetyl transferase HAT1 N-terminal
MYB-CC type transcription factor LHEQLE-containing
Ribosomal RNA methyltransferase SPB1-like C-terminal
FACT complex subunit Spt16 N-terminal lobe
Ribosome maturation protein SDO1/SBDS C-terminal
Ribosome maturation protein SDO1/SBDS N-terminal
Ribosome maturation protein SDO1/SBDS central
Translocon-associated protein subunit alpha
RNA 3'-terminal phosphate cyclase insert
Large ribosomal subunit protein uL30-like ferredoxin-like fold
S-adenosyl-L-homocysteine hydrolase NAD binding
Large ribosomal subunit protein uL30 N-terminal eukaryotes