Structure of PDB 6c6n Chain A

Receptor sequence

>6c6nA (length=450) Species: 9606 (Homo sapiens)

NDPEVIIVGAGVLGSALAAVLSRDGRKVTVIERDLKEPDRIVGEFLQPGG
YHVLKDLGLGDTVEGLDAQVVNGYMIHDQESKSEVQIPYPLSENNQVQSG
RAFHHGRFIMSLRKAAMAEPNAKFIEGVVLQLLEEDDVVMGVQYKDKETG
DIKELHAPLTVVADGLFSKFRKSLVSNKVSVSSHFVGFLMKNAPQFKANH
AELILANPSPVLIYQISSSETRVLVDIRGEMPRNLREYMVEKIYPQIPDH
LKEPFLEATDNSHLRSMPASFLPPSSVKKRGVLLLGDAYNMRHPLTGGGM
TVAFKDIKLWRKLLKGIPDLYDDAAIFEAKKSFYWARKTSHSFVVNILAQ
ALYELFSATDDSLHQLRKACFLYFKLGGECVAGPVGLLSVLSPNPLVLIG
HFFAVAIYAVYFCFKSEPWITKPRALLSSGAVLYKACSVIFPLIYSEMKY

3D structure

• PDB: 6c6n Structure and inhibition mechanism of the catalytic domain of human squalene epoxidase.
• Chain: A
• Resolution: 2.3 Å

Enzymatic activity

• Enzyme Commision number: 1.14.14.17: squalene monooxygenase.

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	EKV	A	F166 Y195 A322 L324 L333 Y335 L416 G418 L473 F477 F495 P505 L509 H522 F523	F45 Y74 A201 L203 L212 Y214 L295 G297 L352 F356 F374 P384 L388 H401 F402	BindingDB: IC50=70nM
BS02	FAD	A	G130 G132 V133 L134 I152 E153 R154 R161 V163 G164 F166 V250 D285 G286 G407 D408 P415 G418 G420 M421	G9 G11 V12 L13 I31 E32 R33 R40 V42 G43 F45 V129 D164 G165 G286 D287 P294 G297 G299 M300

Gene Ontology

Molecular Function

• GO:0004506 squalene monooxygenase activity
• GO:0050660 flavin adenine dinucleotide binding

Biological Process

• GO:0016126 sterol biosynthetic process

Cellular Component

• GO:0016020 membrane

External links

• PDB: RCSB:6c6n, PDBe:6c6n, PDBj:6c6n
• PDBsum: 6c6n
• PubMed: 30626872
• UniProt: Q14534|ERG1_HUMAN Squalene monooxygenase (Gene Name=SQLE)