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2PXC

Crystal structure of the Murray Valley Encephalitis Virus NS5 2'-O Methyltransferase domain in complex with SAM and GTPA

Functional Information from GO Data
ChainGOidnamespacecontents
A0004482molecular_functionmRNA 5'-cap (guanine-N7-)-methyltransferase activity
A0004483molecular_functionmethyltransferase cap1 activity
A0008168molecular_functionmethyltransferase activity
A0032259biological_processmethylation
Functional Information from PDB Data
site_idAC1
Number of Residues16
DetailsBINDING SITE FOR RESIDUE SAM A 500
ChainResidue
ASER56
AGLU111
AVAL130
AASP131
AVAL132
APHE133
AASP146
AHOH612
AGLY58
AGLY81
ACYS82
AGLY86
ATRP87
ATHR104
ALYS105
AHIS110

site_idAC2
Number of Residues15
DetailsBINDING SITE FOR RESIDUE G3A A 501
ChainResidue
ALYS13
ALEU16
AASN17
AMET19
APHE24
AARG28
AARG41
AARG42
AARG45
ASER150
ASER151
APRO152
ASER215
AASN216
AG3A502

site_idAC3
Number of Residues12
DetailsBINDING SITE FOR RESIDUE G3A A 502
ChainResidue
AARG37
AARG41
AARG41
AARG44
AARG44
ASER56
AARG57
AARG84
AGLY109
AGLU111
AARG213
AG3A501

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"For 2'-O-MTase activity","evidences":[{"source":"UniProtKB","id":"Q6YMS4","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues9
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00924","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues7
DetailsSite: {"description":"mRNA cap binding","evidences":[{"source":"PROSITE-ProRule","id":"PRU00924","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsSite: {"description":"mRNA cap binding; via carbonyl oxygen","evidences":[{"source":"PROSITE-ProRule","id":"PRU00924","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues3
DetailsSite: {"description":"Essential for 2'-O-methyltransferase activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU00924","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsSite: {"description":"Essential for 2'-O-methyltransferase and N-7 methyltransferase activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU00924","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P03314","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

239492

PDB entries from 2025-07-30

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