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Annotation

Keyword

3D-structure
Heme
Microsome
Monooxygenase
Phosphoprotein
Reference proteome
Steroid biosynthesis
Transmembrane helix

Proteins

Displaying 1 entry
UniProt	Protein Name
Q9UNU6	7-alpha-hydroxy-4-cholesten-3-one 12-alpha-hydroxylase CYPVIIIB1 Cytochrome P450 8B1 Sterol 12-alpha-hydroxylase

Annotation information from UniProt.

Gene Ontology (GO)

Displaying entries **1 - 5** of 6 in total

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GO Term	Evidence Code	PMID
bile acid signaling pathway	IEA
sterol metabolic process
response to cholesterol	IEA
bile acid biosynthetic process	IEA ISS TAS
response to nutrient levels	IEA

GO Hierarchy

biological process

metabolic process [inference]

biosynthetic process [inference]

cellular biosynthetic process [inference]

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

monocarboxylic acid biosynthetic process [inference]

bile acid biosynthetic process

small molecule biosynthetic process [inference]

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

monocarboxylic acid biosynthetic process [inference]

bile acid biosynthetic process

organic substance biosynthetic process [inference]

lipid biosynthetic process [inference]

steroid biosynthetic process [inference]

bile acid biosynthetic process

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

monocarboxylic acid biosynthetic process [inference]

bile acid biosynthetic process

organic cyclic compound biosynthetic process [inference]

steroid biosynthetic process [inference]

bile acid biosynthetic process

organic hydroxy compound biosynthetic process [inference]

bile acid biosynthetic process

cellular metabolic process [inference]

organic acid metabolic process [inference]

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

monocarboxylic acid biosynthetic process [inference]

bile acid biosynthetic process

oxoacid metabolic process [inference]

carboxylic acid metabolic process [inference]

monocarboxylic acid metabolic process [inference]

bile acid metabolic process [inference]

bile acid biosynthetic process

monocarboxylic acid biosynthetic process [inference]

bile acid biosynthetic process

carboxylic acid biosynthetic process [inference]

monocarboxylic acid biosynthetic process [inference]

bile acid biosynthetic process

cellular biosynthetic process [inference]

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

monocarboxylic acid biosynthetic process [inference]

bile acid biosynthetic process

primary metabolic process [inference]

lipid metabolic process [inference]

steroid metabolic process [inference]

steroid biosynthetic process [inference]

bile acid biosynthetic process

bile acid metabolic process [inference]

bile acid biosynthetic process

sterol metabolic process

lipid biosynthetic process [inference]

steroid biosynthetic process [inference]

bile acid biosynthetic process

small molecule metabolic process [inference]

organic acid metabolic process [inference]

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

monocarboxylic acid biosynthetic process [inference]

bile acid biosynthetic process

oxoacid metabolic process [inference]

carboxylic acid metabolic process [inference]

monocarboxylic acid metabolic process [inference]

bile acid metabolic process [inference]

bile acid biosynthetic process

monocarboxylic acid biosynthetic process [inference]

bile acid biosynthetic process

carboxylic acid biosynthetic process [inference]

monocarboxylic acid biosynthetic process [inference]

bile acid biosynthetic process

small molecule biosynthetic process [inference]

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

monocarboxylic acid biosynthetic process [inference]

bile acid biosynthetic process

organic substance metabolic process [inference]

organic acid metabolic process [inference]

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

monocarboxylic acid biosynthetic process [inference]

bile acid biosynthetic process

oxoacid metabolic process [inference]

carboxylic acid metabolic process [inference]

monocarboxylic acid metabolic process [inference]

bile acid metabolic process [inference]

bile acid biosynthetic process

monocarboxylic acid biosynthetic process [inference]

bile acid biosynthetic process

carboxylic acid biosynthetic process [inference]

monocarboxylic acid biosynthetic process [inference]

bile acid biosynthetic process

lipid metabolic process [inference]

steroid metabolic process [inference]

steroid biosynthetic process [inference]

bile acid biosynthetic process

bile acid metabolic process [inference]

bile acid biosynthetic process

sterol metabolic process

lipid biosynthetic process [inference]

steroid biosynthetic process [inference]

bile acid biosynthetic process

organic cyclic compound metabolic process [inference]

steroid metabolic process [inference]

steroid biosynthetic process [inference]

bile acid biosynthetic process

bile acid metabolic process [inference]

bile acid biosynthetic process

sterol metabolic process

organic cyclic compound biosynthetic process [inference]

steroid biosynthetic process [inference]

bile acid biosynthetic process

organic substance biosynthetic process [inference]

lipid biosynthetic process [inference]

steroid biosynthetic process [inference]

bile acid biosynthetic process

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

monocarboxylic acid biosynthetic process [inference]

bile acid biosynthetic process

organic cyclic compound biosynthetic process [inference]

steroid biosynthetic process [inference]

bile acid biosynthetic process

organic hydroxy compound biosynthetic process [inference]

bile acid biosynthetic process

organic hydroxy compound metabolic process [inference]

bile acid metabolic process [inference]

bile acid biosynthetic process

sterol metabolic process

organic hydroxy compound biosynthetic process [inference]

bile acid biosynthetic process

cellular process [inference]

signal transduction [inference]

bile acid signaling pathway

cellular metabolic process [inference]

organic acid metabolic process [inference]

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

monocarboxylic acid biosynthetic process [inference]

bile acid biosynthetic process

oxoacid metabolic process [inference]

carboxylic acid metabolic process [inference]

monocarboxylic acid metabolic process [inference]

bile acid metabolic process [inference]

bile acid biosynthetic process

monocarboxylic acid biosynthetic process [inference]

bile acid biosynthetic process

carboxylic acid biosynthetic process [inference]

monocarboxylic acid biosynthetic process [inference]

bile acid biosynthetic process

cellular biosynthetic process [inference]

organic acid biosynthetic process [inference]

carboxylic acid biosynthetic process [inference]

monocarboxylic acid biosynthetic process [inference]

bile acid biosynthetic process

response to stimulus [inference]

response to external stimulus [inference]

response to extracellular stimulus [inference]

response to nutrient levels

response to chemical [inference]

response to organic substance [inference]

response to organic cyclic compound [inference]

response to sterol [inference]

response to cholesterol

response to lipid [inference]

response to sterol [inference]

response to cholesterol

response to alcohol [inference]

response to cholesterol

response to oxygen-containing compound [inference]

response to sterol [inference]

response to cholesterol

response to alcohol [inference]

response to cholesterol

biological regulation [inference]

regulation of biological process [inference]

regulation of localization [inference]

regulation of transport [inference]

regulation of lipid transport [inference]

positive regulation of lipid transport [inference]

positive regulation of sterol transport [inference]

positive regulation of cholesterol transport [inference]

positive regulation of intestinal cholesterol absorption

positive regulation of intestinal lipid absorption [inference]

positive regulation of intestinal cholesterol absorption

regulation of sterol transport [inference]

positive regulation of sterol transport [inference]

positive regulation of cholesterol transport [inference]

positive regulation of intestinal cholesterol absorption

regulation of cholesterol transport [inference]

regulation of intestinal cholesterol absorption [inference]

positive regulation of intestinal cholesterol absorption

positive regulation of cholesterol transport [inference]

positive regulation of intestinal cholesterol absorption

regulation of intestinal lipid absorption [inference]

regulation of intestinal cholesterol absorption [inference]

positive regulation of intestinal cholesterol absorption

positive regulation of intestinal lipid absorption [inference]

positive regulation of intestinal cholesterol absorption

positive regulation of transport [inference]

positive regulation of lipid transport [inference]

positive regulation of sterol transport [inference]

positive regulation of cholesterol transport [inference]

positive regulation of intestinal cholesterol absorption

positive regulation of intestinal lipid absorption [inference]

positive regulation of intestinal cholesterol absorption

positive regulation of intestinal absorption [inference]

positive regulation of intestinal lipid absorption [inference]

positive regulation of intestinal cholesterol absorption

regulation of intestinal absorption [inference]

positive regulation of intestinal absorption [inference]

positive regulation of intestinal lipid absorption [inference]

positive regulation of intestinal cholesterol absorption

regulation of intestinal lipid absorption [inference]

regulation of intestinal cholesterol absorption [inference]

positive regulation of intestinal cholesterol absorption

positive regulation of intestinal lipid absorption [inference]

positive regulation of intestinal cholesterol absorption

regulation of lipid localization [inference]

regulation of lipid transport [inference]

positive regulation of lipid transport [inference]

positive regulation of sterol transport [inference]

positive regulation of cholesterol transport [inference]

positive regulation of intestinal cholesterol absorption

positive regulation of intestinal lipid absorption [inference]

positive regulation of intestinal cholesterol absorption

regulation of sterol transport [inference]

positive regulation of sterol transport [inference]

positive regulation of cholesterol transport [inference]

positive regulation of intestinal cholesterol absorption

regulation of cholesterol transport [inference]

regulation of intestinal cholesterol absorption [inference]

positive regulation of intestinal cholesterol absorption

positive regulation of cholesterol transport [inference]

positive regulation of intestinal cholesterol absorption

regulation of intestinal lipid absorption [inference]

regulation of intestinal cholesterol absorption [inference]

positive regulation of intestinal cholesterol absorption

positive regulation of intestinal lipid absorption [inference]

positive regulation of intestinal cholesterol absorption

positive regulation of lipid localization [inference]

positive regulation of lipid transport [inference]

positive regulation of sterol transport [inference]

positive regulation of cholesterol transport [inference]

positive regulation of intestinal cholesterol absorption

positive regulation of intestinal lipid absorption [inference]

positive regulation of intestinal cholesterol absorption

positive regulation of biological process [inference]

positive regulation of transport [inference]

positive regulation of lipid transport [inference]

positive regulation of sterol transport [inference]

positive regulation of cholesterol transport [inference]

positive regulation of intestinal cholesterol absorption

positive regulation of intestinal lipid absorption [inference]

positive regulation of intestinal cholesterol absorption

positive regulation of intestinal absorption [inference]

positive regulation of intestinal lipid absorption [inference]

positive regulation of intestinal cholesterol absorption

positive regulation of multicellular organismal process [inference]

positive regulation of digestive system process [inference]

positive regulation of intestinal absorption [inference]

positive regulation of intestinal lipid absorption [inference]

positive regulation of intestinal cholesterol absorption

positive regulation of lipid localization [inference]

positive regulation of lipid transport [inference]

positive regulation of sterol transport [inference]

positive regulation of cholesterol transport [inference]

positive regulation of intestinal cholesterol absorption

positive regulation of intestinal lipid absorption [inference]

positive regulation of intestinal cholesterol absorption

regulation of cellular process [inference]

signal transduction [inference]

bile acid signaling pathway

regulation of multicellular organismal process [inference]

regulation of system process [inference]

regulation of digestive system process [inference]

positive regulation of digestive system process [inference]

positive regulation of intestinal absorption [inference]

positive regulation of intestinal lipid absorption [inference]

positive regulation of intestinal cholesterol absorption

regulation of intestinal absorption [inference]

positive regulation of intestinal absorption [inference]

positive regulation of intestinal lipid absorption [inference]

positive regulation of intestinal cholesterol absorption

regulation of intestinal lipid absorption [inference]

regulation of intestinal cholesterol absorption [inference]

positive regulation of intestinal cholesterol absorption

positive regulation of intestinal lipid absorption [inference]

positive regulation of intestinal cholesterol absorption

positive regulation of multicellular organismal process [inference]

positive regulation of digestive system process [inference]

positive regulation of intestinal absorption [inference]

positive regulation of intestinal lipid absorption [inference]

positive regulation of intestinal cholesterol absorption

Displaying 1 entry
GO Term	Evidence Code	PMID
endoplasmic reticulum membrane	ISS TAS

GO Hierarchy

cellular component

cellular anatomical entity [inference]

membrane [inference]

organelle membrane [inference]

endoplasmic reticulum membrane

Displaying entries **1 - 5** of 6 in total

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GO Term	Evidence Code	PMID
5beta-cholestane-3alpha,7alpha-diol 12alpha-hydroxylase activity	IEA
oxygen binding		10051404
iron ion binding	IEA
7alpha-hydroxycholest-4-en-3-one 12alpha-hydroxylase activity
heme binding	IEA

GO Hierarchy

molecular function

catalytic activity [inference]

oxidoreductase activity [inference]

monooxygenase activity [inference]

steroid hydroxylase activity [inference]

sterol 12-alpha-hydroxylase activity

oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen [inference]

sterol 12-alpha-hydroxylase activity

oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen [inference]

oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen [inference]

sterol 12-alpha-hydroxylase activity

binding [inference]

small molecule binding [inference]

oxygen binding

ion binding [inference]

cation binding [inference]

metal ion binding [inference]

transition metal ion binding [inference]

iron ion binding

organic cyclic compound binding [inference]

tetrapyrrole binding [inference]

heme binding

Gene Ontology information from NCBI Gene and UniProt.

KEGG BRITE Database

Orthology

K07431

Name

sterol 12-alpha-hydroxylase [EC:1.14.14.139]

References

Rhea

RHEA:46752

O₂ + 7α-hydroxycholest-4-en-3-one

H₂O + H⁺ + 7α,12α-dihydroxycholest-4-en-3-one

Enzyme

1.14.14.139

PMID

RHEA:65700

O₂ + chenodeoxycholate

H₂O + H⁺ + cholate

Enzyme

1.14.14.139

PMID

30465713

RHEA:15261

O₂ + 5β-cholestane-3α,7α-diol

H₂O + H⁺ + 5β-cholestane-3α,7α,12α-triol

Enzyme

1.14.14.139

PMID

Disease

Disease Ontology

Displaying entries **1 - 10** of 29 in total

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DO ID	Disease Name	Source
DOID:0014667	disease of metabolism	DisGeNET
DOID:0080208	metabolic dysfunction-associated steatotic liver disease	DisGeNET DisGeNET DisGeNET Alliance of Genome Resources
DOID:0080348	Alzheimer's disease 1	DisGeNET
DOID:0110035	Alzheimer's disease 2	DisGeNET
DOID:0110037	Alzheimer's disease 5	DisGeNET
DOID:0110038	Alzheimer's disease 6	DisGeNET
DOID:0110039	Alzheimer's disease 7	DisGeNET
DOID:0110041	Alzheimer's disease 8	DisGeNET
DOID:0110043	Alzheimer's disease 10	DisGeNET
DOID:0110044	Alzheimer's disease 11	DisGeNET

LIPID MAPS Gene / Proteome Database

LMPD ID: LMP000541
Gene Name: cytochrome P450, family 8, subfamily B, polypeptide 1

Ortholog

Displaying entries **1 - 10** of 82 in total

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Species	Gene ID	Alliance of Genome Resources	Orthologous MAtrix
Callorhinchus milii	103188298		CALMI38797
Latimeria chalumnae	102357417		LATCH01694
Lepisosteus oculatus	102682983		LEPOC17350
Danio rerio	445281	ZFIN:ZDB-GENE-040808-53	DANRE29012
Danio rerio	100004274	ZFIN:ZDB-GENE-080212-9	DANRE29028
Danio rerio	447848	ZFIN:ZDB-GENE-040912-153
Astyanax mexicanus	103039627		ASTMX15064
Ictalurus punctatus	108261592		ICTPU00395
Ictalurus punctatus	108268189		ICTPU33444
Ictalurus punctatus	108268197		ICTPU33444

GlyTouCan

GlyComb

GlycoPOST

UniCarb-DR

All Resources

Other Information

Tools

Search Tools

Summary

External Links

Annotation

KEGG BRITE Database

LIPID MAPS Gene / Proteome Database

International Collaboration

Acknowledgements