PDB entry 3a4i
View 3a4i on RCSB PDB site
Description: Crystal structure of GMP synthetase PH1347 from Pyrococcus horikoshii OT3
Class: ligase
Keywords: ATP pyrophosphatase, glutamine amidotransferase, GMP synthetase, purine nucleotide biosynthesis, ATP-binding, GMP biosynthesis, Ligase, Nucleotide-binding, Purine biosynthesis
Deposited on
2009-07-07, released
2009-07-21
The last revision prior to the SCOPe 2.03 freeze date was dated
2011-07-13, with a file datestamp of
2011-05-08.
Experiment type: XRAY
Resolution: 1.79 Å
R-factor: 0.212
AEROSPACI score: 0.5
(click here for full SPACI score report)
Chains and heterogens:
- Chain 'A':
Compound: GMP synthase [glutamine-hydrolyzing] subunit B
Species: Pyrococcus horikoshii [TaxId:53953]
Gene: guaAB, PH1347
Database cross-references and differences (RAF-indexed):
Domains in SCOPe 2.03: d3a4ia1, d3a4ia2 - Chain 'B':
Compound: GMP synthase [glutamine-hydrolyzing] subunit B
Species: Pyrococcus horikoshii [TaxId:53953]
Gene: guaAB, PH1347
Database cross-references and differences (RAF-indexed):
Domains in SCOPe 2.03: d3a4ib1, d3a4ib2 - Heterogens: HOH
PDB Chain Sequences:
- Chain 'A':
Sequence, based on SEQRES records: (download)
>3a4iA (A:)
mdwgrfveekvreiretvgdskaiialsggvdsstaavlahkaigdrlhavfvntgflrk
gepefvvktfrdefgmnlhyvdaqdrffsalkgvtdpeekrkiigrvfievfeevakkig
aeyliqgtiapdwiesqgkikshhnvgglpeklnlklieplrdlykdevrelakflglpe
kiynrmpfpgpglavrvigevtpekirivreanaiveeeveraglrpwqafavllgvktv
gvqgdirayketiavrivesidgmtanamnvpwevlqriafritseipevgrvlyditnk
ppatiefe
Sequence, based on observed residues (ATOM records): (download)
>3a4iA (A:)
mdwgrfveekvreiretvgdskaiialsggvdsstaavlahkaigdrlhavfvntgflrk
gepefvvktfrdefgmnlhyvdaqdrffsalkgvtdpeekrkiigrvfievfeevakkig
aeyliqgtiapnlklieplrdlykdevrelakflglpekiynrmpfpgpglavrvigevt
pekirivreanaiveeeveraglrpwqafavllgvktvgvqgdirayketiavrivesid
gmtanamnvpwevlqriafritseipevgrvlyditnkppatiefe
- Chain 'B':
Sequence, based on SEQRES records: (download)
>3a4iB (B:)
mdwgrfveekvreiretvgdskaiialsggvdsstaavlahkaigdrlhavfvntgflrk
gepefvvktfrdefgmnlhyvdaqdrffsalkgvtdpeekrkiigrvfievfeevakkig
aeyliqgtiapdwiesqgkikshhnvgglpeklnlklieplrdlykdevrelakflglpe
kiynrmpfpgpglavrvigevtpekirivreanaiveeeveraglrpwqafavllgvktv
gvqgdirayketiavrivesidgmtanamnvpwevlqriafritseipevgrvlyditnk
ppatiefe
Sequence, based on observed residues (ATOM records): (download)
>3a4iB (B:)
mdwgrfveekvreiretvgdskaiialsggvdsstaavlahkaigdrlhavfvntgflrk
gepefvvktfrdefgmnlhyvdaqdrffsalkgvtdpeekrkiigrvfievfeevakkig
aeyliqgtiapnlklieplrdlykdevrelakflglpekiynrmpfpgpglavrvigevt
pekirivreanaiveeeveraglrpwqafavllgvktvgvqgdirayketiavrivesid
gmtanamnvpwevlqriafritseipevgrvlyditnkppatiefe