Structure of PDB 1gk8 Chain A

Receptor sequence
>1gk8A (length=469) Species: 3055 (Chlamydomonas reinhardtii) [Search protein sequence]
TKAGAGFKAGVKDYRLTYYTPDYVVRDTDILAAFRMTPQPGVPPEECGAA
VAAESSTGTWTTVWTDGLTSLDRYKGRCYDIEPVPGEDNQYIAYVAYPID
LFEEGSVTNMFTSIVGNVFGFKALRALRLEDLRIPPAYVKTFVGPPHGIQ
VERDKLNKYGRGLLGCTIKPKLGLSAKNYGRAVYECLRGGLDFTKDDENV
NSQPFMRWRDRFLFVAEAIYKAQAETGEVKGHYLNATAGTCEEMMKRAVC
AKELGVPIIMHDYLTGGFTANTSLAIYCRDNGLLLHIHRAMHAVIDRQRN
HGIHFRVLAKALRMSGGDHLHSGTVVGKLEGEREVTLGFVDLMRDDYVEK
DRSRGIYFTQDWCSMPGVMPVASGGIHVWHMPALVEIFGDDACLQFGGGT
LGHPWGNAPGAAANRVALEACTQARNEGRDLAREGGDVIRSACKWSPELA
AACEVWKEIKFEFDTIDKL
3D structure
PDB1gk8 First Crystal Structure of Rubisco from a Green Alga, Chlamydomonas Reinhardtii.
ChainA
Resolution1.4 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) K175 K201 D202 D203 E204 H294 H327 K334
Catalytic site (residue number reindexed from 1) K169 K195 D196 D197 E198 H288 H321 K328
Enzyme Commision number 4.1.1.39: ribulose-bisphosphate carboxylase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 MG A K201 D203 E204 K195 D197 E198
BS02 CAP A T173 K175 K201 D203 E204 H294 R295 H327 K334 L335 S379 G380 G403 G404 T167 K169 K195 D197 E198 H288 R289 H321 K328 L329 S373 G374 G397 G398
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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Cellular Component
External links
PDB RCSB:1gk8, PDBe:1gk8, PDBj:1gk8
PDBsum1gk8
PubMed11641402
UniProtP00877|RBL_CHLRE Ribulose bisphosphate carboxylase large chain (Gene Name=rbcL)

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