Structure of PDB 4fdh Chain H

Receptor sequence
>4fdhH (length=462) Species: 9606 (Homo sapiens) [Search protein sequence]
TVLPFEAMPQHPGNRWLRLLQIWREQGYEHLHLEMHQTFQELGPIFRYNL
GGPRMVCVMLPEDVEKLQQVDSLHPCRMILEPWVAYRQHRGHKCGVFLLN
GPEWRFNRLRLNPDVLSPKAVQRFLPMVDAVARDFSQALKKKVLQNARGS
LTLDVQPSIFHYTIEASNLALFGERLGLVGHSPSSASLNFLHALEVMFKS
TVQLMFMPRSLSRWISPKVWKEHFEAWDCIFQYGDNCIQKIYQELAFNRP
QHYTGIVAELLLKAELSLEAIKANSMELTAGSVDTTAFPLLMTLFELARN
PDVQQILRQESLAAAASISEHPQKATTELPLLRAALKETLRLYPVGLFLE
RVVSSDLVLQNYHIPAGTLVQVFLYSLGRNAALFPRPERYNPQRWLDFHH
VPFGFGMRQCLGRRLAEAEMLLLLHHVLKHFLVETLTQEDIKMVYSFILR
PGTSPLLTFRAI
3D structure
PDB4fdh Structural insights into aldosterone synthase substrate specificity and targeted inhibition.
ChainH
Resolution2.71 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) T285 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 H V129 F130 W137 R141 L311 S315 T318 R384 P442 F443 R448 C450 G452 V96 F97 W104 R108 L278 S282 T285 R351 P402 F403 R408 C410 G412
BS02 0T3 H W116 E310 G314 T318 F487 I488 W83 E277 G281 T285 F447 I448 BindingDB: IC50=1nM
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:4fdh, PDBe:4fdh, PDBj:4fdh
PDBsum4fdh
PubMed23322723
UniProtP19099|C11B2_HUMAN Cytochrome P450 11B2, mitochondrial (Gene Name=CYP11B2)

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