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3QN9

Crystal structure of a 6-pyruvoyltetrahydropterin synthase homologue from Esherichia coli

Functional Information from GO Data
ChainGOidnamespacecontents
A0008270molecular_functionzinc ion binding
A0008616biological_processtRNA queuosine(34) biosynthetic process
A0016829molecular_functionlyase activity
A0042802molecular_functionidentical protein binding
A0046872molecular_functionmetal ion binding
A0070497molecular_function6-carboxytetrahydropterin synthase activity
B0008270molecular_functionzinc ion binding
B0008616biological_processtRNA queuosine(34) biosynthetic process
B0016829molecular_functionlyase activity
B0042802molecular_functionidentical protein binding
B0046872molecular_functionmetal ion binding
B0070497molecular_function6-carboxytetrahydropterin synthase activity
Functional Information from PDB Data
site_idAC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE ZN A 122
ChainResidue
AHIS16
AHIS31
AHIS33

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN B 122
ChainResidue
BHIS16
BHIS31
BHIS33
BGLU110

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton acceptor","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsActive site: {"description":"Charge relay system","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

247947

PDB entries from 2026-01-21

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