Structure of PDB 4rub Chain B

Receptor sequence
>4rubB (length=464) Species: 4097 (Nicotiana tabacum) [Search protein sequence]
ASVGFKAGVKEYKLTYYTPEYQTKDTDILAAFRVTPQPGVPPEEAGAAVA
AESSTGTWTTVWTDGLTSLDRYKGRCYRIERVVGEKDQYIAYVAYPLDLF
EEGSVTNMFTSIVGNVFGFKALRALRLEDLRIPPAYVKTFQGPPHGIQVE
RDKLNKYGRPLLGCTIKPKLGLSAKNYGRAVYECLRGGLDFTKDDENVNS
QPFMRWRDRFLFCAEALYKAQAETGEIKGHYLNATAGTCEEMIKRAVFAR
ELGVPIVMHDYLTGGFTANTSLAHYCRDNGLLLHIHRAMHAVIDRQKNHG
IHFRVLAKALRMSGGDHIHSGTVVGKLEGERDITLGFVDLLRDDFVEQDR
SRGIYFTQDWVSLPGVLPVASGGIHVWHMPALTEIFGDDSVLQFGGGTLG
HPWGNAPGAVANRVALEACVKARNEGRDLAQEGNEIIREACKWSPELAAA
CEVWKEIVFNFAAV
3D structure
PDB4rub A crystal form of ribulose-1,5-bisphosphate carboxylase/oxygenase from Nicotiana tabacum in the activated state.
ChainB
Resolution2.7 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D203 E204 H294 H327 K334
Catalytic site (residue number reindexed from 1) D195 E196 H286 H319 K326
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 B D203 E204 D195 E196
BS02 CAP B K175 D203 E204 H294 R295 H327 K334 L335 S379 G380 G403 G404 K167 D195 E196 H286 R287 H319 K326 L327 S371 G372 G395 G396
BS03 CAP B T65 N123 T57 N115
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:4rub, PDBe:4rub, PDBj:4rub
PDBsum4rub
PubMed3681999
UniProtP00876|RBL_TOBAC Ribulose bisphosphate carboxylase large chain (Gene Name=rbcL)

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