Structure of PDB 3cdb Chain C

Receptor sequence

>3cdbC (length=415) Species: 9606 (Homo sapiens)

PNEECLQILGNGAKFLSDAEIIQLVNAKHIPAYKLETLIETHERGVSIRR
QLLSKKLSEPSSLQYLPYRDYNYSLVMGACCENVIGYMPIPVGVAGPLCL
DEKEFQVPMATTEGCLVASTNRGCRAIGLGGGASSRVLADGMTRGPVVRL
PRACDSAEVKAWLETSEGFAVIKEAFDSTSRFARLQKLHTSIAGRNLYIR
FQSRSGDAMGMNMISKGTEKALSKLHEYFPEMQILAVSGNYCTDKKPAAI
NWIEGRGKSVVCEAVIPAKVVREVLKTTTEAMIEVNINKNLVGSAMAGSI
GGYNAHAANIVTAIYIACGQDAAQNVGSSNCITLMEASGPTNEDLYISCT
MPSIEIGTVGGGTNLLPQQACLQMLGVQGACKDNPGENARQLARIVCGTV
MAGELSLMAALAAGH

3D structure

• PDB: 3cdb Thermodynamic and structure guided design of statin based inhibitors of 3-hydroxy-3-methylglutaryl coenzyme a reductase.
• Chain: C
• Resolution: 2.3 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): E559 K691 D767
• Catalytic site (residue number reindexed from 1): E113 K245 D321
• Enzyme Commision number: 1.1.1.34: hydroxymethylglutaryl-CoA reductase (NADPH).

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	9HI	C	R590 V683 S684 D690 K692	R144 V237 S238 D244 K246	MOAD: Kd=95.7nM
BS02	9HI	C	E559 C561 S565 K735 A751 L853 A856	E113 C115 S119 K289 A305 L407 A410	MOAD: Kd=95.7nM

Gene Ontology

Molecular Function

• GO:0004420 hydroxymethylglutaryl-CoA reductase (NADPH) activity
• GO:0016616 oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
• GO:0050661 NADP binding

Biological Process

• GO:0008299 isoprenoid biosynthetic process
• GO:0015936 coenzyme A metabolic process

Cellular Component

• GO:0005789 endoplasmic reticulum membrane

External links

• PDB: RCSB:3cdb, PDBe:3cdb, PDBj:3cdb
• PDBsum: 3cdb
• PubMed: 18540668
• UniProt: P04035|HMDH_HUMAN 3-hydroxy-3-methylglutaryl-coenzyme A reductase (Gene Name=HMGCR)