Structure of PDB 4lf1 Chain A

Receptor sequence

>4lf1A (length=457) Species: 258594 (Rhodopseudomonas palustris CGA009)

MDQSNRYANLNLKESELIAGGRHVLCAYIMKPKAGFGNFIQTAAHFAAES
STGTNVEVSTTDDFTRGVDALVYEVDEANSLMKIAYPIELFDRNVIDGRA
MIASFLTLTIGNNQGMGDVEYAKMYDFYVPPAYLKLFDGPSTTIKDLWRV
LGRPVINGGFIVGTIIKPKLGLRPQPFANACYDFWLGGDFIKNDEPQGNQ
VFAPFKDTVRAVADAMRRAQDKTGEAKLFSFNITADDHYEMLARGEFILE
TFADNADHIAFLVDGYVAGPAAVTTARRAFPKQYLHYHRAGHGAVTSPQS
KRGYTAFVLSKMARLQGASGIHTGTMGFGKMEGEAADRAIAYMITEDAAD
GPYFHQEWLGMNPTTPIISGGMNALRMPGFFDNLGHSNLIMTAGGGAFGH
VDGGAAGAKSLRQAEQCWKQGADPVEFAKDHREFARAFESFPQDADKLYP
NWRAKLK

3D structure

• PDB: 4lf1 Structure-function studies with the unique hexameric form II ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) from Rhodopseudomonas palustris.
• Chain: A
• Resolution: 2.38 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): L25 K167 K192 N193 D194 E195 H288 H322 K330
• Catalytic site (residue number reindexed from 1): L25 K167 K192 N193 D194 E195 H288 H322 K330
• 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	CAP	A	I165 K167 K169 K192 D194 E195 H288 R289 H322 K330 S369 G370 G371 G394	I165 K167 K169 K192 D194 E195 H288 R289 H322 K330 S369 G370 G371 G394
BS02	MG	A	K192 D194 E195	K192 D194 E195
BS03	CAP	A	T54 N112	T54 N112

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:0015977 carbon fixation
• GO:0015979 photosynthesis
• GO:0019253 reductive pentose-phosphate cycle

External links

• PDB: RCSB:4lf1, PDBe:4lf1, PDBj:4lf1
• PDBsum: 4lf1
• PubMed: 24942737
• UniProt: Q6N0W9|RBL2_RHOPA Ribulose bisphosphate carboxylase (Gene Name=cbbM)