Structure of PDB 3b1k Chain G

Receptor sequence

>3b1kG (length=338) Species: 1140 (Synechococcus elongatus PCC 7942 = FACHB-805)

MTIRVAINGFGRIGRNFLRCWFGRQNTDLEVVAINNTSDARTAAHLLEYD
SVLGRFNADISYDENSITVNGKTMKIVCDRNPLNLPWKEWDIDLVIESTG
VFVTAEGASKHIQAGAKKVLITAPGKGEGVGTYVIGVNDSEYRHEDFAVI
SNASCTTNCLAPVAKVLHDNFGIIKGTMTTTHSYTLDQRILDASHRDLRR
ARAAAVNIVPTTTGAAKAVALVIPELKGKLNGIALRVPTPNVSVVDLVVQ
VEKPTITEQVNEVLQKASQTTMKGIIKYSDLPLVSSDFRGTDESSIVDSS
LTLVMDGDLVKVIAWYDNEWGYSQRVVDLAELAARKWA

3D structure

• PDB: 3b1k Structure Basis for the Regulation of Glyceraldehyde-3-Phosphate Dehydrogenase Activity via the Intrinsically Disordered Protein CP12.
• Chain: G
• Resolution: 3.302 Å

Enzymatic activity

• Enzyme Commision number: 1.2.1.-

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	peptide	G	T37 S38 D39 E64 C78 R80	T37 S38 D39 E64 C78 R80
BS02	peptide	G	R80 P124 T156 H182 D187 R189 S194 H195 R196 R200 T213 A215 R236	R80 P124 T156 H182 D187 R189 S194 H195 R196 R200 T213 A215 R236
BS03	NAD	G	N8 F10 G11 R12 I13 N35 N36 T37 T99 G100 F102 T122 C155 L186 N318	N8 F10 G11 R12 I13 N35 N36 T37 T99 G100 F102 T122 C155 L186 N318

Gene Ontology

Molecular Function

• GO:0000166 nucleotide binding
• GO:0004365 glyceraldehyde-3-phosphate dehydrogenase (NAD+) (phosphorylating) activity
• GO:0016491 oxidoreductase activity
• GO:0016620 oxidoreductase activity, acting on the aldehyde or oxo group of donors, NAD or NADP as acceptor
• GO:0046872 metal ion binding
• GO:0050661 NADP binding
• GO:0051287 NAD binding

Biological Process

• GO:0006006 glucose metabolic process

External links

• PDB: RCSB:3b1k, PDBe:3b1k, PDBj:3b1k
• PDBsum: 3b1k
• PubMed: 22153507
• UniProt: Q9R6W2