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1CKO

STRUCTURE OF MRNA CAPPING ENZYME IN COMPLEX WITH THE CAP ANALOG GPPPG

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0003824molecular_functioncatalytic activity
A0004484molecular_functionmRNA guanylyltransferase activity
A0005524molecular_functionATP binding
A0005525molecular_functionGTP binding
A0006139biological_processnucleobase-containing compound metabolic process
A0006370biological_process7-methylguanosine mRNA capping
A0006397biological_processmRNA processing
A0016740molecular_functiontransferase activity
A0016779molecular_functionnucleotidyltransferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues1
DetailsBINDING SITE FOR RESIDUE ZN A 888
ChainResidue
AHIS195

site_idAC2
Number of Residues15
DetailsBINDING SITE FOR RESIDUE GP3 A 999
ChainResidue
AGLU131
APHE146
ALYS188
ATRP190
ALEU232
ALYS234
ALYS236
APRO59
APRO61
ALYS82
AGLY85
AILE86
AARG87
AASP105
AARG106

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"N6-GMP-lysine intermediate"}
ChainResidueDetails

239803

PDB entries from 2025-08-06

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