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2JJQ

The crystal structure of Pyrococcus abyssi tRNA (uracil-54, C5)- methyltransferase in complex with S-adenosyl-L-homocysteine

Functional Information from GO Data
ChainGOidnamespacecontents
A0001510biological_processRNA methylation
A0006396biological_processRNA processing
A0008033biological_processtRNA processing
A0008168molecular_functionmethyltransferase activity
A0008173molecular_functionRNA methyltransferase activity
A0008757molecular_functionS-adenosylmethionine-dependent methyltransferase activity
A0016740molecular_functiontransferase activity
A0030488biological_processtRNA methylation
A0030697molecular_functiontRNA (uracil(54)-C5)-methyltransferase activity, S-adenosyl methionine-dependent
A0032259biological_processmethylation
A0046872molecular_functionmetal ion binding
A0051536molecular_functioniron-sulfur cluster binding
A0051539molecular_function4 iron, 4 sulfur cluster binding
Functional Information from PDB Data
site_idAC1
Number of Residues16
DetailsBINDING SITE FOR RESIDUE SAH A1406
ChainResidue
AGLN252
ASER325
AASP326
AASP340
APRO342
AHOH2377
AHOH2378
AHOH2379
ATYR278
ASER279
AGLY280
ATHR283
AASP299
ASER300
AASN301
AALA324

site_idAC2
Number of Residues8
DetailsBINDING SITE FOR RESIDUE GOL A1407
ChainResidue
AILE91
ATRP229
AGLY230
ALYS377
AHOH2071
AHOH2355
AHOH2382
AHOH2383

site_idAC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL A1408
ChainResidue
ALYS159
AILE160
ASER161
APHE171
AGLY195
AASN196
AHOH2384

Functional Information from PROSITE/UniProt
site_idPS01230
Number of Residues32
DetailsTRMA_1 RNA methyltransferase trmA family signature 1. DPPRaGlhprlvkrlnrekpgv...IVYvSCNpeT
ChainResidueDetails
AASP340-THR371

site_idPS01231
Number of Residues11
DetailsTRMA_2 RNA methyltransferase trmA family signature 2. LDmFPHTpHVE
ChainResidueDetails
ALEU389-GLU399

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"PROSITE-ProRule","id":"PRU01024","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PROSITE-ProRule","id":"PRU10015","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues6
DetailsBinding site: {}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues1
DetailsAnnotated By Reference To The Literature 1xva
ChainResidueDetails
ATYR222

238895

PDB entries from 2025-07-16

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