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3MB5

Crystal structure of P. abyssi tRNA m1A58 methyltransferase in complex with S-adenosyl-L-methionine

Functional Information from GO Data
ChainGOidnamespacecontents
A0008033biological_processtRNA processing
A0008168molecular_functionmethyltransferase activity
A0016426molecular_functiontRNA (adenine) methyltransferase activity
A0016740molecular_functiontransferase activity
A0030488biological_processtRNA methylation
A0031515cellular_componenttRNA (m1A) methyltransferase complex
A0032259biological_processmethylation
A0043827molecular_functiontRNA (adenine(57)-N1)/(adenine(58)-N1)-methyltransferase activity
A0160107molecular_functiontRNA (adenine(58)-N1)-methyltransferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues22
DetailsBINDING SITE FOR RESIDUE SAM A 301
ChainResidue
AGLN75
ALEU107
AGLU125
AILE126
AARG127
APHE130
ALYS152
AASP153
AILE154
ATYR155
AASP169
AILE76
AHOH320
AHOH391
AHOH495
AVAL77
AGLY101
AVAL102
AGLY103
ASER104
AGLY105
AALA106

site_idAC2
Number of Residues8
DetailsBINDING SITE FOR RESIDUE SO4 A 256
ChainResidue
ALYS16
AARG17
ALYS69
AHOH296
AHOH299
AHOH370
AHOH574
AHOH603

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 257
ChainResidue
ALYS49
AARG127
AHOH497

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 258
ChainResidue
APRO13
AARG14
ALEU31
AHIS54
AHOH547

site_idAC5
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 A 259
ChainResidue
AARG42
AHOH369

site_idAC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO A 260
ChainResidue
AMET215
ALYS216
APHE249
AALA250
AARG251
AHOH444

site_idAC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE EDO A 261
ChainResidue
AHIS78
AARG218
AHOH445
AHOH513

site_idAC8
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO A 262
ChainResidue
ALEU67
AASP68
APRO79
AALA87
AHOH414
AHOH516

site_idAC9
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO A 263
ChainResidue
AILE63
AVAL86
AGLY90
AILE91
APHE110
AASN113

site_idBC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO A 264
ChainResidue
AALA131
ALYS132
ATRP135
ALEU151
AHOH422
AHOH559

site_idBC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE EDO A 265
ChainResidue
AVAL77
APRO79
AALA82
AALA106
ALEU107
APHE110
AHOH569

site_idBC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ACT A 266
ChainResidue
AARG60
APRO186
AHOH283
AHOH303
AHOH430

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues3
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00952","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"20483913","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

239803

PDB entries from 2025-08-06

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