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5D5Q

HcgB from Methanocaldococcus jannaschii with the pyridinol derived from FeGP cofactor of [Fe]-hydrogenase

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0005525molecular_functionGTP binding
A0016740molecular_functiontransferase activity
A0016779molecular_functionnucleotidyltransferase activity
A0160298molecular_functionpyridinol guanylyltransferase activity
A0160300biological_processiron-guanylylpyridinol cofactor biosynthetic process
B0000166molecular_functionnucleotide binding
B0005525molecular_functionGTP binding
B0016740molecular_functiontransferase activity
B0016779molecular_functionnucleotidyltransferase activity
B0160298molecular_functionpyridinol guanylyltransferase activity
B0160300biological_processiron-guanylylpyridinol cofactor biosynthetic process
C0000166molecular_functionnucleotide binding
C0005525molecular_functionGTP binding
C0016740molecular_functiontransferase activity
C0016779molecular_functionnucleotidyltransferase activity
C0160298molecular_functionpyridinol guanylyltransferase activity
C0160300biological_processiron-guanylylpyridinol cofactor biosynthetic process
D0000166molecular_functionnucleotide binding
D0005525molecular_functionGTP binding
D0016740molecular_functiontransferase activity
D0016779molecular_functionnucleotidyltransferase activity
D0160298molecular_functionpyridinol guanylyltransferase activity
D0160300biological_processiron-guanylylpyridinol cofactor biosynthetic process
Functional Information from PDB Data
site_idAC1
Number of Residues8
Detailsbinding site for residue 57O A 201
ChainResidue
AARG20
AGLY22
AASP23
BARG102
BARG104
BGLY111
BSER131
BSER132

site_idAC2
Number of Residues7
Detailsbinding site for residue 57O B 201
ChainResidue
AGLY111
ASER132
AARG142
BARG20
BGLY22
BASP23
AARG104

site_idAC3
Number of Residues6
Detailsbinding site for residue 57O C 201
ChainResidue
CARG20
CASP23
DARG102
DARG104
DGLY111
DSER132

site_idAC4
Number of Residues10
Detailsbinding site for residue 57O D 201
ChainResidue
CARG102
CARG104
CGLY111
CSER131
CSER132
CHOH303
DARG20
DGLY22
DASP23
DHOH303

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PDB entries from 2026-01-21

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