Structure of PDB 2wkv Chain B

Receptor sequence

>2wkvB (length=389) Species: 350 (Zoogloea ramigera)

SIVIASAARTAVGSFNGAFANTPAHELGATVISAVLERAGVAAGEVNEVI
LGQVLPAGEGQNPARQAAMKAGVPQEATAWGMNQLCGSGLRAVALGMQQI
ATGDASIIVAGGMESMSMAPHCAHLRGGVKMGDFKMIDTMIKDGLTDAFY
GYHMGTTAENVAKQWQLSRDEQDAFAVASQNKAEAAQKDGRFKDEIVPFI
VKGRKGDITVDADEYIRHGATLDSMAKLRPAFDKEGTVTAGNASGLNDGA
AAALLMSEAEASRRGIQPLGRIVSWATVGVDPKVMGTGPIPASRKALERA
GWKIGDLDLVEADEAFAAQACAVNKDLGWDPSIVNVNGGAIAIGHPIGAS
GARILNTLLFEMKRRGARKGLATLCIGGGMGVAMCIESL

3D structure

• PDB: 2wkv The Thiolase Reaction Mechanism: The Importance of Asn316 and His348 for Stabilizing the Enolate Intermediate of the Claisen Condensation.
• Chain: B
• Resolution: 2.5 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): C89 H348 C378 G380
• Catalytic site (residue number reindexed from 1): C86 H345 C375 G377
• Enzyme Commision number: 2.3.1.9: acetyl-CoA C-acetyltransferase.

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	COA	B	C89 H156 R220 S227 L231 S247 L249 A318	C86 H153 R217 S224 L228 S244 L246 A315	MOAD: Kd=128uM

Gene Ontology

Molecular Function

• GO:0003985 acetyl-CoA C-acetyltransferase activity
• GO:0016746 acyltransferase activity
• GO:0016747 acyltransferase activity, transferring groups other than amino-acyl groups

Biological Process

• GO:0042619 poly-hydroxybutyrate biosynthetic process

Cellular Component

• GO:0005737 cytoplasm

External links

• PDB: RCSB:2wkv, PDBe:2wkv, PDBj:2wkv
• PDBsum: 2wkv
• PubMed: 19842716
• UniProt: P07097|THIL_SHIZO Acetyl-CoA acetyltransferase (Gene Name=phaA)