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1RI3

Structure and mechanism of mRNA cap (guanine N-7) methyltransferase

Functional Information from GO Data
ChainGOidnamespacecontents
A0003723molecular_functionRNA binding
A0004482molecular_functionmRNA 5'-cap (guanine-N7-)-methyltransferase activity
A0005634cellular_componentnucleus
A0006370biological_process7-methylguanosine mRNA capping
A0008168molecular_functionmethyltransferase activity
A0032259biological_processmethylation
A0106005biological_processRNA 5'-cap (guanine-N7)-methylation
Functional Information from PDB Data
site_idAC1
Number of Residues17
DetailsBINDING SITE FOR RESIDUE SAH A 299
ChainResidue
ALYS54
AGLN140
APHE141
ASER142
ATYR145
AHOH340
AHOH360
AHOH378
AHOH411
AGLY72
AGLY74
AASP78
AASP94
AILE95
AASP122
ASER123
ATYR124

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsBINDING:
ChainResidueDetails
AASN50

site_idSWS_FT_FI2
Number of Residues3
DetailsBINDING: BINDING => ECO:0000255|PROSITE-ProRule:PRU00895
ChainResidueDetails
AGLY72
AASP94
ALYS54

site_idSWS_FT_FI3
Number of Residues3
DetailsBINDING: BINDING => ECO:0000250|UniProtKB:O43148
ChainResidueDetails
AASP122
AGLN140
ATYR145

site_idSWS_FT_FI4
Number of Residues6
DetailsSITE: mRNA cap binding => ECO:0000255|PROSITE-ProRule:PRU00895
ChainResidueDetails
ALYS81
AARG106
AHIS144
AGLU225
ATYR284
ALYS75

221051

PDB entries from 2024-06-12

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