Structure of PDB 4zgx Chain J

Receptor sequence
>4zgxJ (length=463) Species: 9606 (Homo sapiens) [Search protein sequence]
TVLPFEAMPQHPGNRWLRLLQIWREQGYEHLHLEMHQTFQELGPIFRYNG
PRMVCVMLPEDVEKLQQVDSLHPCRMILEPWVAYRQHRGHKCGVFLLNGP
EWRFNRLRLNPDVLSPKAVQRFLPMVDAVARDFSQALKKKVLQNARGSLT
LDVQPSIFHYTIEASNLALFGERLGLVGHSPSSASLNFLHALEVMFKSTV
QLMFMPRSLSRWISPKVWKEHFEAWDCIFQYGDNCIQKIYQELAFNRPQH
YTGIVAELLLKAELSLEAIKANSMELTAGSVDTTAFPLLMTLFELARNPD
VQQILRQESLAAAASISEHPQKATTELPLLRAALKETLRLYPVGLFLERV
VSSDLVLQNYHIPAGTLVQVFLYSLGRNAALFPRPERYNPQRWLDINFHH
VPFGFGMRQCLGRRLAEAEMLLLLHHVLKHFLVETLTQEDIKMVYSFILR
PGTSPLLTFRAIN
3D structure
PDB4zgx Discovery of 4-Aryl-5,6,7,8-tetrahydroisoquinolines as Potent, Selective, and Orally Active Aldosterone Synthase (CYP11B2) Inhibitors: In Vivo Evaluation in Rodents and Cynomolgus Monkeys.
ChainJ
Resolution3.2 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) T318 F443 C450
Catalytic site (residue number reindexed from 1) T283 F403 C410
Enzyme Commision number 1.14.15.4: steroid 11beta-monooxygenase.
1.14.15.5: corticosterone 18-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 HEM J R110 V129 F130 R141 G314 T318 L373 V378 R384 P442 F443 G444 F445 R448 C450 G452 A456 R75 V94 F95 R106 G279 T283 L338 V343 R349 P402 F403 G404 F405 R408 C410 G412 A416
BS02 QHC J W116 F130 E310 G314 T318 V378 G379 F487 W81 F95 E275 G279 T283 V343 G344 F447 BindingDB: EC50=14nM,IC50=14nM
Gene Ontology
Molecular Function
GO:0004497 monooxygenase activity
GO:0004507 steroid 11-beta-monooxygenase activity
GO:0005506 iron ion binding
GO:0008395 steroid hydroxylase activity
GO:0016705 oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen
GO:0020037 heme binding
GO:0046872 metal ion binding
GO:0047783 corticosterone 18-monooxygenase activity
Biological Process
GO:0002017 regulation of blood volume by renal aldosterone
GO:0003091 renal water homeostasis
GO:0006629 lipid metabolic process
GO:0006694 steroid biosynthetic process
GO:0006700 C21-steroid hormone biosynthetic process
GO:0006704 glucocorticoid biosynthetic process
GO:0006705 mineralocorticoid biosynthetic process
GO:0008203 cholesterol metabolic process
GO:0016125 sterol metabolic process
GO:0032342 aldosterone biosynthetic process
GO:0032870 cellular response to hormone stimulus
GO:0034650 cortisol metabolic process
GO:0034651 cortisol biosynthetic process
GO:0035865 cellular response to potassium ion
GO:0055075 potassium ion homeostasis
GO:0055078 sodium ion homeostasis
GO:0071375 cellular response to peptide hormone stimulus
GO:1901615 organic hydroxy compound metabolic process
Cellular Component
GO:0005739 mitochondrion
GO:0005743 mitochondrial inner membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4zgx, PDBe:4zgx, PDBj:4zgx
PDBsum4zgx
PubMed26403853
UniProtP19099|C11B2_HUMAN Cytochrome P450 11B2, mitochondrial (Gene Name=CYP11B2)

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