Structure of PDB 1rsc Chain B

Receptor sequence
>1rscB (length=467) Species: 269084 (Synechococcus elongatus PCC 6301) [Search protein sequence]
SAAGYKAGVKDYKLTYYTPDYTPKDTDLLAAFRFSPQPGVPADEAGAAIA
AESSTGTWTTVWTDLLTDMDRYKGKCYHIEPVQGEENSYFAFIAYPLDLF
EEGSVTNILTSIVGNVFGFKAIRSLRLEDIRFPVALVKTFQGPPHGIQVE
RDLLNKYGRPMLGCTIKPKLGLSAKNYGRAVYECLRGGLDFTKDDENINS
QPFQRWRDRFLFVADAIHKSQAETGEIKGHYLNVTAPTCEEMMKRAEFAK
ELGMPIIMHDFLTAGFTANTTLAKWCRDNGVLLHIHRAMHAVIDRQRNHG
IHFRVLAKCLRLSGGDHLHSGTVVGKLEGDKASTLGFVDLMREDHIEADR
SRGVFFTQDWASMPGVLPVASGGIHVWHMPALVEIFGDDSVLQFGGGTLG
HPWGNAPGATANRVALEACVQARNEGRDLYREGGDILREAGKWSPELAAA
LDLWKEIKFEFETMDKL
3D structure
PDB1rsc Structure of an effector-induced inactivated state of ribulose 1,5-bisphosphate carboxylase/oxygenase: the binary complex between enzyme and xylulose 1,5-bisphosphate.
ChainB
Resolution2.3 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 XBP B E60 T65 N123 E52 T57 N115
BS02 XBP B K175 E204 H294 R295 H327 K334 L335 S379 G380 G403 K167 E196 H286 R287 H319 K326 L327 S371 G372 G395
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004497 monooxygenase activity
GO:0005515 protein binding
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:0031470 carboxysome

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Cellular Component
External links
PDB RCSB:1rsc, PDBe:1rsc, PDBj:1rsc
PDBsum1rsc
PubMed7922027
UniProtP00880|RBL_SYNP6 Ribulose bisphosphate carboxylase large chain (Gene Name=cbbL)

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