Structure of PDB 1ir2 Chain E Binding Site BS03

Receptor Information
>1ir2 Chain E (length=465) Species: 3055 (Chlamydomonas reinhardtii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AGFKAGVKDYRLTYYTPDYVVRDTDILAAFRMTPQPGVPPEECGAAVAAE
SSTGTWTTVWTDGLTSLDRYKGRCYDIEPVPGEDNQYIAYVAYPIDLFEE
GSVTNMFTSIVGNVFGFKALRALRLEDLRIPPAYVKTFVGPPHGIQVERD
KLNKYGRGLLGCTIKPKLGLSAKNYGRAVYECLRGGLDFTKDDENVNSQP
FMRWRDRFLFVAEAIYKAQAETGEVKGHYLNATAGTCEEMMKRAVCAKEL
GVPIIMHDYLTGGFTANTSLAIYCRDNGLLLHIHRAMHAVIDRQRNHGIH
FRVLAKALRMSGGDHLHSGTVVGKLEGEREVTLGFVDLMRDDYVEKDRSR
GIYFTQDWCSMPGVMPVASGGIHVWHMPALVEIFGDDACLQFGGGTLGHP
WGNAPGAAANRVALEACTQARNEGRDLAREGGDVIRSACKWSPELAAACE
VWKEIKFEFDTIDKL
Ligand information
Ligand IDCAP
InChIInChI=1S/C6H14O13P2/c7-3(1-18-20(12,13)14)4(8)6(11,5(9)10)2-19-21(15,16)17/h3-4,7-8,11H,1-2H2,(H,9,10)(H2,12,13,14)(H2,15,16,17)/t3-,4-,6-/m1/s1
InChIKeyITHCSGCUQDMYAI-ZMIZWQJLSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0C(C(C(C(COP(=O)(O)O)(C(=O)O)O)O)O)OP(=O)(O)O
CACTVS 3.341O[CH](CO[P](O)(O)=O)[CH](O)[C](O)(CO[P](O)(O)=O)C(O)=O
ACDLabs 10.04O=P(O)(O)OCC(O)C(O)C(O)(C(=O)O)COP(=O)(O)O
OpenEye OEToolkits 1.5.0C([C@H]([C@H]([C@](COP(=O)(O)O)(C(=O)O)O)O)O)OP(=O)(O)O
CACTVS 3.341O[C@H](CO[P](O)(O)=O)[C@@H](O)[C@](O)(CO[P](O)(O)=O)C(O)=O
FormulaC6 H14 O13 P2
Name2-CARBOXYARABINITOL-1,5-DIPHOSPHATE
ChEMBL
DrugBank
ZINC
PDB chain1ir2 Chain E Residue 501 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1ir2 Crystal structure of activated ribulose-1,5-bisphosphate carboxylase/oxygenase from green alga Chlamydomonas reinhardtii complexed with 2-carboxyarabinitol-1,5-bisphosphate.
Resolution1.84 Å
Binding residue
(original residue number in PDB)		T173 K175 K201 D203 E204 H294 R295 H327 K334 L335 S379 G380 G403 G404
Binding residue
(residue number reindexed from 1)		T163 K165 K191 D193 E194 H284 R285 H317 K324 L325 S369 G370 G393 G394
Annotation score2
Enzymatic activity
Catalytic site (original residue number in PDB) K175 K201 D202 D203 E204 H294 H327 K334
Catalytic site (residue number reindexed from 1) K165 K191 D192 D193 E194 H284 H317 K324
Enzyme Commision number 4.1.1.39: ribulose-bisphosphate carboxylase.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004497 monooxygenase activity
GO:0016829 lyase activity
GO:0016984 ribulose-bisphosphate carboxylase activity
GO:0046872 metal ion binding
Biological Process
GO:0009853 photorespiration
GO:0015977 carbon fixation
GO:0015979 photosynthesis
GO:0019253 reductive pentose-phosphate cycle
Cellular Component
GO:0009507 chloroplast

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1ir2, PDBe:1ir2, PDBj:1ir2
PDBsum1ir2
PubMed11866526
UniProtP00877|RBL_CHLRE Ribulose bisphosphate carboxylase large chain (Gene Name=rbcL)

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