Structure of PDB 1rco Chain V

Receptor sequence

>1rcoV (length=467) Species: 3562 (Spinacia oleracea)

ASVGFKAGVKDYKLTYYTPEYETLDTDILAAFRVSPQPGVPPEEAGAAVA
AESSTGTWTTVWTDGLTNLDRYKGRCYHIEPVAGEENQYICYVAYPLDLF
EEGSVTNMFTSIVGNVFGFKALRALRLEDLRIPVAYVKTFQGPPHGIQVE
RDKLNKYGRPLLGCTIKPKLGLSAKNYGRAVYECLRGGLDFTKDDENVNS
QPFMRWRDRFLFCAEALYKAQAETGEIKGHYLNATAGTCEDMMKRAVFAR
ELGVPIVMHDYLTGGFTANTTLSHYCRDNGLLLHIHRAMHAVIDRQKNHG
MHFRVLAKALRLSGGDHIHSGTVVGKLEGERDITLGFVDLLRDDYTEKDR
SRGIYFTQSWVSTPGVLPVASGGIHVWHMPALTEIFGDDSVLQFGGGTLG
HPWGNAPGAVANRVALEACVQARNEGRDLAREGNTIIREATKWSPELAAA
CEVWKEIKFEFPAMDTV

3D structure

• PDB: 1rco A common structural basis for the inhibition of ribulose 1,5-bisphosphate carboxylase by 4-carboxyarabinitol 1,5-bisphosphate and xylulose 1,5-bisphosphate.
• Chain: V
• Resolution: 2.3 Å

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	XDP	V	E60 T65 N123	E52 T57 N115
BS02	XDP	V	K175 E204 R295 H327 K334 L335 S379 G380 G403 G404	K167 E196 R287 H319 K326 L327 S371 G372 G395 G396

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

External links

• PDB: RCSB:1rco, PDBe:1rco, PDBj:1rco
• PDBsum: 1rco
• PubMed: 8955130
• UniProt: P00875|RBL_SPIOL Ribulose bisphosphate carboxylase large chain (Gene Name=rbcL)