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2CXE

Crystal structure of octameric ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) from Pyrococcus horikoshii OT3 (form-2 crystal)

Functional Information from GO Data
ChainGOidnamespacecontents
A0000287molecular_functionmagnesium ion binding
A0006196biological_processAMP catabolic process
A0015977biological_processcarbon fixation
A0016491molecular_functionoxidoreductase activity
A0016829molecular_functionlyase activity
A0016984molecular_functionribulose-bisphosphate carboxylase activity
A0046872molecular_functionmetal ion binding
B0000287molecular_functionmagnesium ion binding
B0006196biological_processAMP catabolic process
B0015977biological_processcarbon fixation
B0016491molecular_functionoxidoreductase activity
B0016829molecular_functionlyase activity
B0016984molecular_functionribulose-bisphosphate carboxylase activity
B0046872molecular_functionmetal ion binding
C0000287molecular_functionmagnesium ion binding
C0006196biological_processAMP catabolic process
C0015977biological_processcarbon fixation
C0016491molecular_functionoxidoreductase activity
C0016829molecular_functionlyase activity
C0016984molecular_functionribulose-bisphosphate carboxylase activity
C0046872molecular_functionmetal ion binding
D0000287molecular_functionmagnesium ion binding
D0006196biological_processAMP catabolic process
D0015977biological_processcarbon fixation
D0016491molecular_functionoxidoreductase activity
D0016829molecular_functionlyase activity
D0016984molecular_functionribulose-bisphosphate carboxylase activity
D0046872molecular_functionmetal ion binding
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues8
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"HAMAP-Rule","id":"MF_01133","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues40
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_01133","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {"description":"via carbamate group","evidences":[{"source":"HAMAP-Rule","id":"MF_01133","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsSite: {"description":"Transition state stabilizer","evidences":[{"source":"HAMAP-Rule","id":"MF_01133","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsModified residue: {"description":"N6-carboxylysine","evidences":[{"source":"HAMAP-Rule","id":"MF_01133","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues6
DetailsAnnotated By Reference To The Literature 1rbl
ChainResidueDetails
AHIS311
AHIS278
ALYS186
ALYS160
AASP188
ALYS162

site_idCSA2
Number of Residues6
DetailsAnnotated By Reference To The Literature 1rbl
ChainResidueDetails
BHIS311
BHIS278
BLYS186
BLYS160
BASP188
BLYS162

site_idCSA3
Number of Residues6
DetailsAnnotated By Reference To The Literature 1rbl
ChainResidueDetails
CHIS311
CHIS278
CLYS186
CLYS160
CASP188
CLYS162

site_idCSA4
Number of Residues6
DetailsAnnotated By Reference To The Literature 1rbl
ChainResidueDetails
DHIS311
DHIS278
DLYS186
DLYS160
DASP188
DLYS162

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PDB entries from 2025-11-19

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