Iron/zinc purple acid phosphatase-like C-terminal
Interaction with phosphoserine on interacting protein
Late embryogenesis abundant protein LEA-2 subgroup
Serine/threonine-protein phosphatase 4 regulatory subunit 3-like central
Fructose-1-6-bisphosphatase class 1 C-terminal
Fructose-1-6-bisphosphatase class I N-terminal
non-specific serine/threonine protein kinase
Receptor-like serine/threonine-protein kinase
Protein kinase domain-containing protein
Bifunctional inhibitor/plant lipid transfer protein/seed storage helical
Bifunctional inhibitor/plant lipid transfer protein/seed storage helical domain-containing protein
Cytochrome c-552/DMSO reductase-like haem-binding
Cytochrome c-552/DMSO reductase-like haem-binding domain-containing protein
Micro-fibrillar-associated protein 1 C-terminal
Nuclear speckle splicing regulatory protein 1 N-terminal
Pectinesterase inhibitor domain-containing protein
Xyloglucan endotransglucosylase/hydrolase
BES1/BZR1 plant transcription factor N-terminal
Sodium/calcium exchanger membrane region
Peptidyl serine alpha-galactosyltransferase
Trichome birefringence-like N-terminal domain-containing protein
Glucose-6-phosphate dehydrogenase C-terminal
Glucose-6-phosphate dehydrogenase NAD-binding
Gnk2-homologous domain-containing protein
Interaction with galactose moiety of substrate glycoprotein
Oxo-4-hydroxy-4-carboxy-5-ureidoimidazoline decarboxylase
Survival protein SurE-like phosphatase/nucleotidase
SMP-30/Gluconolactonase/LRE-like region domain-containing protein
Serine/threonine specific protein phosphatases
Glucose-methanol-choline oxidoreductase N-terminal
Glucose-methanol-choline oxidoreductase N-terminal domain-containing protein
Peroxisome membrane anchor protein Pex14p N-terminal
Glycoside hydrolase family 5 domain-containing protein
CSC1/OSCA1-like N-terminal transmembrane
ATP-grasp fold succinyl-CoA synthetase-type
Pollen Ole e 1 allergen and extensin family protein
6-phosphogluconate dehydrogenase C-terminal
Plastocyanin-like domain-containing protein
Dihydrodipicolinate reductase C-terminal
Dihydrodipicolinate reductase N-terminal
NADH:flavin oxidoreductase/NADH oxidase N-terminal
Sulfite exporter TauE/SafE family protein
Aminoacyl-transfer RNA synthetases class-II family profile
Protein ENHANCED DISEASE RESISTANCE 2 C-terminal
tRNA pseudouridylate synthase B C-terminal
ATP synthase YMF19 uncharacterised C-terminal
Leucine-rich repeat-containing N-terminal plant-type domain-containing protein
Proton acceptor; for processing activity
S-adenosylmethionine decarboxylase alpha chain
S-adenosylmethionine decarboxylase beta chain
Schiff-base intermediate with substrate; via pyruvic acid
Nucleoporin Nup133/Nup155-like N-terminal
Transcription factor CBF/NF-Y/archaeal histone
FAD-binding PCMH-type domain-containing protein
DNA/pantothenate metabolism flavoprotein C-terminal
NADH:ubiquinone oxidoreductase intermediate-associated protein 30
Cyanobacterial aminoacyl-tRNA synthetase CAAD
Beta-ketoacyl-[acyl-carrier-protein] synthase III C-terminal
Exocyst complex subunit Exo70 C-terminal
Glyceraldehyde 3-phosphate dehydrogenase NAD(P) binding
Pyridine nucleotide-disulphide oxidoreductase dimerisation
Leucine-rich repeat-containing N-terminal plant-type
Glycoside hydrolase family 19 catalytic domain-containing protein
Rad21/Rec8-like protein C-terminal eukaryotic
Molybdopterin cofactor biosynthesis C (MoaC)
Ribosomal RNA adenine methylase transferase N-terminal
Phosphomannose isomerase type I C-terminal
Phosphomannose isomerase type I catalytic
Phosphomannose isomerase type I helical insertion
Glucose-methanol-choline oxidoreductase C-terminal
Exostosin GT47 domain-containing protein
Cation-transporting P-type ATPase N-terminal
Major facilitator superfamily (MFS) profile
Cysteine sulfenic acid (-SOH) intermediate
Condensin II complex subunit H2 N-terminal
Condensin-2 complex subunit H2 C-terminal
FAD-dependent oxidoreductase 2 FAD binding
Fumarate reductase/succinate dehydrogenase flavoprotein-like C-terminal
Methionyl-tRNA synthetase anticodon-binding
Cation-transporting P-type ATPase C-terminal
S-adenosylmethionine synthetase C-terminal
S-adenosylmethionine synthetase N-terminal
Thioredoxin-like fold domain-containing protein
Translocon-associated protein subunit alpha
Cytochrome c-type biogenesis protein CcmF C-terminal
Alpha galactosidase C-terminal beta sandwich
NADH:quinone oxidoreductase/Mrp antiporter membrane subunit
Large ribosomal subunit protein uL30 N-terminal eukaryotes
Large ribosomal subunit protein uL30-like ferredoxin-like fold
Peptidase C19 ubiquitin carboxyl-terminal hydrolase
Extradiol ring-cleavage dioxygenase class III enzyme subunit B
Plastid lipid-associated protein/fibrillin conserved
Subtilisin-like protease fibronectin type-III
Bulb-type lectin domain-containing protein
Large ribosomal subunit protein uL2 C-terminal
Signal transduction histidine kinase dimerisation/phosphoacceptor
Inositol polyphosphate-related phosphatase
Gamma-glutamylcyclotransferase AIG2-like
Polyribonucleotide 5'-hydroxyl-kinase Clp1 P-loop
Clathrin/coatomer adaptor adaptin-like N-terminal
Coatomer gamma subunit appendage Ig-like subdomain
D-isomer specific 2-hydroxyacid dehydrogenase NAD-binding
D-isomer specific 2-hydroxyacid dehydrogenase catalytic
Heme-copper oxidase subunit III family profile
Pseudouridine synthase I TruA alpha/beta
Large ribosomal subunit protein uL11 C-terminal
Large ribosomal subunit protein uL11 N-terminal
25S rRNA (uridine-N(3))-methyltransferase BMT5-like
Strictosidine synthase conserved region domain-containing protein
Drought induced 19 protein type zinc-binding
Protein dehydration-induced 19 C-terminal
Beta-carotene isomerase D27-like C-terminal
Phosphatidylserine amidated glycine; alternate
Aspartate/ornithine carbamoyltransferase Asp/Orn-binding
Aspartate/ornithine carbamoyltransferase carbamoyl-P binding
Alpha-glycerophosphate oxidase C-terminal
RNA polymerase subunit H/Rpb5 C-terminal
Acyl-CoA dehydrogenase/oxidase C-terminal
PhoD-like phosphatase metallophosphatase
PhoD-like phosphatase metallophosphatase domain-containing protein
Large ribosomal subunit protein bL12 C-terminal
MPBQ/MBSQ family SAM-binding methyltransferase profile
Ribose-phosphate pyrophosphokinase N-terminal
Ionotropic glutamate receptor C-terminal
Solute-binding protein family 3/N-terminal
Rubisco accumulation factor 1 C-terminal
Rubisco accumulation factor 1 alpha helical
Rubisco accumulation factor 1 helix turn helix
Sigma 54 modulation/S30EA ribosomal protein C-terminal
Anaphase-promoting complex subunit 4 long
Anaphase-promoting complex subunit 4-like WD40
Programmed cell death protein 2 C-terminal
Large ribosomal subunit protein uL15/eL18
Fibronectin type III-like domain-containing protein
Large ribosomal subunit protein uL6 alpha-beta
Phosphorylated adapter RNA export protein RNA-binding
Amidohydrolase-related domain-containing protein
Tryptophan synthase beta chain-like PALP
Pyridoxamine kinase/Phosphomethylpyrimidine kinase
Trafficking protein particle complex subunit 11
Trafficking protein particle complex subunit 11 C-terminal
Immediate early response 3-interacting protein 1
Important for substrate specificity; cannot use PPi as phosphoryl donor
Glycoside hydrolase family 31 N-terminal
Phosphatidic acid phosphatase type 2/haloperoxidase
Glucosamine/galactosamine-6-phosphate isomerase
Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)
Cdk-activating kinase assembly factor MAT1 centre
Transcription termination factor MTERF4, chloroplastic
Proliferating cell nuclear antigen PCNA C-terminal
Proliferating cell nuclear antigen PCNA N-terminal
Heparan-alpha-glucosaminide N-acetyltransferase catalytic
CBF1-interacting co-repressor CIR N-terminal
VAN3-binding protein-like auxin canalisation
Aromatic amino acid beta-eliminating lyase/threonine aldolase
DNA-directed DNA polymerase family B exonuclease
Superoxide dismutase copper/zinc binding
Large ribosomal subunit protein uL5 C-terminal
Large ribosomal subunit protein uL5 N-terminal
DNA-directed RNA polymerase RpoA/D/Rpb3-type
Aminotransferase class V domain-containing protein
Replication factor-A protein 1 N-terminal
Pectate lyase superfamily protein domain-containing protein
Cationic amino acid transporter C-terminal
Hydroxymethylglutaryl-coenzyme A synthase C-terminal
Hydroxymethylglutaryl-coenzyme A synthase N-terminal
CASTOR/POLLUX/SYM8 ion channel conserved
Galactose mutarotase N-terminal barrel domain-containing protein
Deubiquitinating enzyme MINDY-3/4 conserved
Telomerase activating protein Est1-like N-terminal
Epidermal patterning factor-like protein
Glycoside hydrolase family 2 immunoglobulin-like beta-sandwich
Diacylglycerol glucosyltransferase N-terminal
Glycosyl transferase family 28 C-terminal
Small ribosomal subunit protein uS17 N-terminal
Sec-independent protein translocase protein TatB
Glycosyltransferase subfamily 4-like N-terminal
Wall-associated receptor kinase C-terminal
Wall-associated receptor kinase galacturonan-binding
Wall-associated receptor kinase galacturonan-binding domain-containing protein
Thiamin pyrophosphokinase thiamin-binding
Transcription initiation factor TFIID component TAF4 C-terminal
Interferon-related developmental regulator N-terminal
Glycylpeptide N-tetradecanoyltransferase C-terminal
Glycylpeptide N-tetradecanoyltransferase N-terminal
SGNH hydrolase-type esterase domain-containing protein
Methionyl/Valyl/Leucyl/Isoleucyl-tRNA synthetase anticodon-binding
MD-2-related lipid-recognition domain-containing protein
Lipid-binding serum glycoprotein C-terminal
Lipid-binding serum glycoprotein C-terminal domain-containing protein
Origin recognition complex subunit 5 C-terminal
Large ribosomal subunit protein uL6 N-terminal
Classical arabinogalactan protein 26-like
3-hydroxyacyl-CoA dehydrogenase C-terminal
3-hydroxyacyl-CoA dehydrogenase NAD binding
tRNA-splicing endonuclease subunit Sen54 N-terminal
Aminoacyl-tRNA synthetase class I anticodon-binding
Glutamyl/glutaminyl-tRNA synthetase class Ib catalytic
Casein kinase substrate phosphoprotein PP28
Beta-hexosaminidase eukaryotic type N-terminal
Electron transfer via tryptophanyl radical
Calmodulin binding protein-like N-terminal
Tetrapyrrole biosynthesis uroporphyrinogen III synthase
Cleavage/polyadenylation specificity factor A subunit C-terminal
Cleavage/polyadenylation specificity factor A subunit N-terminal
Exocyst complex subunit Sec15 C-terminal
non-reducing end alpha-L-arabinofuranosidase
AMP-dependent synthetase/ligase domain-containing protein
Enhancer of mRNA-decapping protein 4 WD40 repeat region
CCR4-Not complex component Not N-terminal
Myo-inositol-1-phosphate synthase GAPDH-like
Glutamyl/glutaminyl-tRNA synthetase class Ib anti-codon binding
Telomere-associated protein Rif1 N-terminal
Histidine kinase/HSP90-like ATPase domain-containing protein
Very-long-chain aldehyde decarbonylase CER1-like C-terminal
Peptide-N4-(N-acetyl-beta-glucosaminyl)asparagine amidase A
Photosynthesis system II assembly factor Ycf48/Hcf136-like
3-hydroxyisobutyrate dehydrogenase-like NAD-binding
6-phosphogluconate dehydrogenase NADP-binding
Peptidase metallopeptidase domain-containing protein
Ribosomal RNA small subunit methyltransferase E PUA-like
Ribosomal RNA small subunit methyltransferase E methyltransferase
Ribosomal RNA-processing protein 14 N-terminal
Ribosomal RNA-processing protein 14/surfeit locus protein 6 C-terminal
Vacuolar protein 14 C-terminal Fig4-binding
Translation initiation factor 3 N-terminal
Ubiquitin carboxyl-terminal hydrolase family 1 cysteine active-site
Translation elongation factor IF5A C-terminal
Glycine-rich cell wall structural protein
SNARE-complex protein Syntaxin-18 N-terminal
Ternary complex factor MIP1 leucine-zipper
Small ribosomal subunit protein uS15 N-terminal
Origin recognition complex subunit 3 N-terminal
Origin recognition complex subunit 3 winged helix C-terminal
DNA-directed RNA polymerase subunit 2 hybrid-binding
Important for catalytic activity and substrate specificity; stabilizes the transition state when the phosphoryl donor is PPi; prevents ATP from binding by mimicking the alpha-phosphate group of ATP
Important for catalytic activity; stabilizes the transition state when the phosphoryl donor is PPi
Peptidase S9 prolyl oligopeptidase catalytic
Glutaminyl-tRNA synthetase class Ib non-specific RNA-binding
FACT complex subunit Spt16 N-terminal lobe
Histone chaperone RTT106/FACT complex subunit SPT16-like middle
ABC transporter domain-containing protein
Ribosomal RNA-processing protein 7 C-terminal
Charge relay system; for autoendoproteolytic cleavage activity
Cleavage (non-hydrolytic); by autocatalysis
Phosphatidylserine decarboxylase 1 alpha chain
Phosphatidylserine decarboxylase 1 beta chain
Schiff-base intermediate with substrate; via pyruvic acid; for decarboxylase activity
3-beta hydroxysteroid dehydrogenase/isomerase
Ethylene-responsive binding factor-associated repression
Galactose oxidase-like Early set domain-containing protein
RNA-binding protein Tab2-like N-terminal
RNA-binding protein Tab2/Atab2 C-terminal
Retinoblastoma-associated protein N-terminal
Non-structural maintenance of chromosome element 4 C-terminal
Water stress and hypersensitive response
Large ribosomal subunit protein uL23 N-terminal
Folate receptor-like domain-containing protein
Peptidase M20 dimerisation domain-containing protein
Manganese/iron superoxide dismutase C-terminal
Manganese/iron superoxide dismutase N-terminal
Pyridoxamine 5'-phosphate oxidase Alr4036 family FMN-binding
4Fe-4S ferredoxin-type domain-containing protein
Ribosomal RNA-processing protein 12-like conserved
Cytochrome oxidase subunit II copper A binding
Cytochrome oxidase subunit II transmembrane region profile
Membrane insertase YidC/Oxa/ALB C-terminal
Inositol 1,3,4-trisphosphate 5/6-kinase ATP-grasp
Inositol-tetrakisphosphate 1-kinase N-terminal
Beta-adaptin appendage C-terminal subdomain
Cytochrome b561 and DOMON domain-containing protein
V-type proton ATPase subunit S1/VOA1 transmembrane
V-type proton ATPase subunit S1/VOA1 transmembrane domain-containing protein
Knottin scorpion toxin-like domain-containing protein
Phosphatidylinositol-specific phospholipase C X domain-containing protein
A-kinase anchor protein 7-like phosphoesterase
Pentacotripeptide-repeat region of PRORP
Alginate lyase 2 domain-containing protein
Quinate/shikimate 5-dehydrogenase/glutamyl-tRNA reductase
Tetrapyrrole biosynthesis glutamyl-tRNA reductase dimerisation
ATP synthase F1 complex delta/epsilon subunit N-terminal
Hydrophobic seed protein domain-containing protein
Glucose/Sorbosone dehydrogenase domain-containing protein
Gfo/Idh/MocA-like oxidoreductase N-terminal
Multiple myeloma tumor-associated protein 2-like N-terminal
Signal recognition particle SRP72 subunit RNA-binding
Thiamine pyrophosphate enzyme N-terminal TPP-binding
Thiamine pyrophosphate enzyme TPP-binding
Fungal lipase-like domain-containing protein
Methylthioribulose-1-phosphate dehydratase
Proton donor/acceptor; for methylthioribulose-1-phosphate dehydratase activity
Vacuolar import/degradation Vid27 C-terminal
1,3-beta-glucan synthase component FKS1-like
Activator of Hsp90 ATPase AHSA1-like N-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
GPI ethanolamine phosphate transferase 1 C-terminal
Schiff-base intermediate with substrate; via topaquinone
Exocyst complex component Sec8 N-terminal
Glutamate/phenylalanine/leucine/valine/L-tryptophan dehydrogenase C-terminal
Photosystem I PsaL reaction centre subunit XI
1-deoxy-D-xylulose 5-phosphate reductoisomerase C-terminal
1-deoxy-D-xylulose 5-phosphate reductoisomerase N-terminal
Large ribosomal subunit protein bL12 oligomerization
Alpha-D-phosphohexomutase alpha/beta/alpha
Bicarbonate transporter-like transmembrane
INO80 complex subunit B-like conserved region
SUF system FeS cluster assembly SufBD N-terminal
Interferon-related developmental regulator C-terminal
AB hydrolase-1 domain-containing protein
NF-kappa-B-activating protein C-terminal
Transcription factor TFIIIC triple barrel
Prokaryotic-type class I peptide chain release factors
2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase
Uso1/p115-like vesicle tethering protein C-terminal
Vesicle tethering protein Uso1/P115-like head
Chitin-binding type-1 domain-containing protein
Galactose-1-phosphate uridyl transferase N-terminal
Electron transfer flavoprotein alpha/beta-subunit N-terminal
Mei2-like C-terminal RNA recognition motif
Tetrahydrofolate dehydrogenase/cyclohydrolase NAD(P)-binding
Tetrahydrofolate dehydrogenase/cyclohydrolase catalytic
Ubiquitin-like modifier-activating enzyme Atg7 N-terminal
C4-type zinc-finger of DNA polymerase delta
DNA-directed DNA polymerase family B multifunctional
RlpA-like protein double-psi beta-barrel domain-containing protein
Small ribosomal subunit protein uS4 N-terminal
Cysteine sulfenic acid (-SOH) intermediate; for peroxidase activity
SAM-dependent methyltransferase TRM5/TYW2-type
Nematode resistance protein-like HSPRO1 N-terminal
Glucosidase II beta subunit N-terminal domain-containing protein
NADH-ubiquinone oxidoreductase 21kDa subunit N-terminal
Multiple inositol polyphosphate phosphatase 1
Histone-binding protein RBBP4 N-terminal
Glycosyl-hydrolase family 116 N-terminal
Glycosyl-hydrolase family 116 catalytic region
U3 small nucleolar RNA-associated protein 15 C-terminal
Peptide methionine sulphoxide reductase MsrA
UDP-glucose/GDP-mannose dehydrogenase C-terminal
Pre-mRNA processing factor 4 (PRP4)-like
Translation elongation factor EF1B beta/delta subunit guanine nucleotide exchange
NADH-Ubiquinone oxidoreductase (complex I) chain 5 N-terminal
Coatomer beta subunit appendage platform
HAUS augmin-like complex subunit 3 N-terminal
Magnesium-protoporphyrin IX methyltransferase C-terminal
Cysteine-rich receptor-like protein kinase 2
Phosphatidylinositol-specific phospholipase C X
Ubiquitin/SUMO-activating enzyme ubiquitin-like
YbaK/aminoacyl-tRNA synthetase-associated
Glycerol-3-phosphate dehydrogenase NAD-dependent C-terminal
Glycerol-3-phosphate dehydrogenase NAD-dependent N-terminal
Cytochrome b/b6 C-terminal region profile
Cytochrome b/b6 N-terminal region profile
RIN4 pathogenic type III effector avirulence factor Avr cleavage site
Translation initiation factor 3 C-terminal
Chromosome segregation protein Spc25 C-terminal
SAM-dependent methyltransferase Erg6/SMT-type
Shikimate dehydrogenase substrate binding N-terminal
Acyl-CoA dehydrogenase/oxidase N-terminal
Aconitase A/isopropylmalate dehydratase small subunit swivel
Nucleolus and neural progenitor protein-like N-terminal
Translocase of chloroplast 159/132 membrane anchor
Selenoprotein F/M domain-containing protein
Nucleoporin Nup133/Nup155-like C-terminal
RNA polymerase III subunit RPC82-related helix-turn-helix
DNA replication complex GINS protein SLD5 C-terminal
Gamma-interferon-inducible lysosomal thiol reductase
N-acetyltransferase ESCO acetyl-transferase
Transcription elongation factor Eaf N-terminal
Late embryogenesis abundant protein LEA-2 subgroup domain-containing protein
tRNA-specific 2-thiouridylase MnmA-like C-terminal
tRNA-specific 2-thiouridylase MnmA-like central
Schiff-base intermediate with D-ribose 5-phosphate
TATA box binding protein associated factor (TAF) histone-like fold
S-adenosyl-L-homocysteine hydrolase NAD binding
tRNA uridine 5-carboxymethylaminomethyl modification enzyme C-terminal subdomain
MYB-CC type transcription factor LHEQLE-containing
Aminoacyl-tRNA synthetase class II (D/K/N)
Neutral/alkaline non-lysosomal ceramidase C-terminal
Neutral/alkaline non-lysosomal ceramidase N-terminal
NADH:ubiquinone oxidoreductase 30kDa subunit
NIF system FeS cluster assembly NifU N-terminal
Lecithin-cholesterol acyltransferase-like 1
Histone acetyl transferase HAT1 N-terminal
Peptidase S8/S53 domain-containing protein
Glycosyl transferase 64 domain-containing protein
Expansin-like EG45 domain-containing protein
Transcription initiation factor IIA gamma subunit C-terminal
Transcription initiation factor IIA gamma subunit N-terminal
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase 48 kDa subunit
Critical for specifying symmetric addition of methyl groups
Large ribosomal subunit protein uL4 C-terminal
DET1- and DDB1-associated protein 1 N-terminal
Gamma tubulin complex component C-terminal
Gamma tubulin complex component protein N-terminal
DNA mismatch repair proteins mutS family
Cytochrome c oxidase assembly factor 3 mitochondrial coiled-coil
Pre-rRNA-processing protein RIX1 N-terminal
Saposin B-type domain-containing protein
Spo11/DNA topoisomerase VI subunit A N-terminal
Large ribosomal subunit protein bL25 L25
Large ribosomal subunit protein bL25 beta
Cysteine-rich receptor-like protein kinase 10
Post-GPI attachment to proteins factor 3
Histone deacetylase complex subunit SAP30 Sin3 binding
NIF system FeS cluster assembly NifU C-terminal
Vacuolar protein sorting-associated protein 13 DH-like
Vacuolar protein sorting-associated protein 13 VPS13 adaptor binding
Vacuolar protein sorting-associated protein 13 extended chorein
Neprosin activation peptide domain-containing protein
Translation initiation factor beta propellor-like
AMP-activated protein kinase glycogen-binding
Nitrite/Sulfite reductase ferredoxin-like
Large ribosomal subunit protein uL10-like insertion
26S proteasome regulatory subunit RPN2 C-terminal
Alpha-L-arabinofuranosidase B arabinose-binding domain-containing protein
Anthranilate synthase component I N-terminal
Small ribosomal subunit protein uS3 C-terminal
Trigger factor ribosome-binding bacterial
tRNA nucleotidyltransferase/poly(A) polymerase RNA and SrmB- binding
Plant heme peroxidase family profile domain-containing protein
Ubiquitin-activating enzyme E1 C-terminal
Cytochrome b561 domain-containing protein
ATPase F1/V1/A1 complex alpha/beta subunit N-terminal
ATPase F1/V1/A1 complex alpha/beta subunit nucleotide-binding
Gfo/Idh/MocA-like oxidoreductase C-terminal
RNA 2-O ribose methyltransferase substrate binding
tRNA(Met) cytidine acetyltransferase TmcA N-terminal