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P24453

- CP1A2_MESAU

UniProt

P24453 - CP1A2_MESAU

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Protein

Cytochrome P450 1A2

Gene

CYP1A2

Organism
Mesocricetus auratus (Golden hamster)
Status
Reviewed - Annotation score: 4 out of 5- Experimental evidence at protein leveli

Functioni

Cytochromes P450 are a group of heme-thiolate monooxygenases. In liver microsomes, this enzyme is involved in an NADPH-dependent electron transport pathway. It oxidizes a variety of structurally unrelated compounds, including steroids, fatty acids, and xenobiotics. Most active in catalyzing 2-hydroxylation (By similarity).By similarity

Catalytic activityi

RH + reduced flavoprotein + O2 = ROH + oxidized flavoprotein + H2O.

Cofactori

hemeBy similarity

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei225 – 2251SubstrateBy similarity
Metal bindingi456 – 4561Iron (heme axial ligand)By similarity

GO - Molecular functioni

  1. aromatase activity Source: UniProtKB-EC
  2. heme binding Source: UniProtKB
  3. iron ion binding Source: InterPro
Complete GO annotation...

Keywords - Molecular functioni

Monooxygenase, Oxidoreductase

Keywords - Ligandi

Heme, Iron, Metal-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Cytochrome P450 1A2 (EC:1.14.14.1)
Alternative name(s):
CYPIA2
Cytochrome P450-MC4
Hepatic cytochrome P-450MC1
Gene namesi
Name:CYP1A2
OrganismiMesocricetus auratus (Golden hamster)
Taxonomic identifieri10036 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaSciurognathiMuroideaCricetidaeCricetinaeMesocricetus

Subcellular locationi

GO - Cellular componenti

  1. endoplasmic reticulum Source: UniProtKB-KW
  2. membrane Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Endoplasmic reticulum, Membrane, Microsome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Initiator methioninei1 – 11Removed1 Publication
Chaini2 – 513512Cytochrome P450 1A2PRO_0000051653Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Glycosylationi68 – 681O-linked (GlcNAc)By similarity

Keywords - PTMi

Glycoprotein

Expressioni

Tissue specificityi

Found in lung and liver.

Inductioni

By 3-methylcholanthrene (3MC).

Structurei

3D structure databases

ProteinModelPortaliP24453.
SMRiP24453. Positions 33-512.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the cytochrome P450 family.Curated

Phylogenomic databases

HOVERGENiHBG106944.

Family and domain databases

Gene3Di1.10.630.10. 1 hit.
InterProiIPR001128. Cyt_P450.
IPR017972. Cyt_P450_CS.
IPR002401. Cyt_P450_E_grp-I.
IPR008066. Cyt_P450_E_grp-I_CYP1.
[Graphical view]
PfamiPF00067. p450. 1 hit.
[Graphical view]
PRINTSiPR00463. EP450I.
PR01683. EP450ICYP1A.
PR00385. P450.
SUPFAMiSSF48264. SSF48264. 1 hit.
PROSITEiPS00086. CYTOCHROME_P450. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P24453-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MALSQYTSLS TELVLATAIF CIVFWVARAL RTQVPKGLKT PPGPWGLPIL
60 70 80 90 100
GHVLTLGKNP HLSLTKLSKQ YGDVLQIRIG STPVVVLSGL DTIRQALVRQ
110 120 130 140 150
GDDFKGRPDL YSFTLITNGK SMTFNPDCGP VWAARRRLAQ DALKSFSIAS
160 170 180 190 200
DPTSASSCYL EDHVIKEANH LVSKLQKLTA EVGHFEPVNQ VVESVANVIG
210 220 230 240 250
AMCFGKNFPR KSEEMLRIVK GSSDFVENVS SGNAVDFFPI LRYLPNPDLK
260 270 280 290 300
RFKNFNDNFV LFLQKTVQEH YQDFNKNSIQ DITGALFKHS ENSKDSGGLI
310 320 330 340 350
PQEKIVNIVN DLFGAGFDTV TTAITLSILL LVTWPNVQRK IHKELDTVIG
360 370 380 390 400
RDRQPRLSDR LQLPYMEAFI LELYRYTSFV PFTIPHSTTR DTSLNGFYIP
410 420 430 440 450
KDRCIFINQW QVNHDEKQWK DPFVFRPERF LTDNDTVINK TLSEKVMLFG
460 470 480 490 500
LGKRRCIGEI PAKWEVFLFL AILLQQLEFS VPPGTKVDLT PTYGLTMKPQ
510
TCKYIQAWPR FSK
Length:513
Mass (Da):58,082
Last modified:January 23, 2007 - v4
Checksum:iD179B43386C19815
GO

Experimental Info

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Sequence conflicti49 – 491I → F in AAA37070. (PubMed:2275554)Curated
Sequence conflicti52 – 532HV → MC in AAA37070. (PubMed:2275554)Curated
Sequence conflicti253 – 2542KN → GG in AAA37070. (PubMed:2275554)Curated
Sequence conflicti326 – 3261L → W in AAA37070. (PubMed:2275554)Curated
Sequence conflicti356 – 3561R → L in AAA37070. (PubMed:2275554)Curated
Sequence conflicti485 – 4851T → Q in AAA37070. (PubMed:2275554)Curated

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
M63787 mRNA. Translation: AAA37070.1.
D10252 mRNA. Translation: BAA01097.1.
D10914 Genomic DNA. Translation: BAA01718.1.
PIRiJX0190.
RefSeqiNP_001268302.1. NM_001281373.1.

Genome annotation databases

GeneIDi101825565.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
M63787 mRNA. Translation: AAA37070.1 .
D10252 mRNA. Translation: BAA01097.1 .
D10914 Genomic DNA. Translation: BAA01718.1 .
PIRi JX0190.
RefSeqi NP_001268302.1. NM_001281373.1.

3D structure databases

ProteinModelPortali P24453.
SMRi P24453. Positions 33-512.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

GeneIDi 101825565.

Phylogenomic databases

HOVERGENi HBG106944.

Family and domain databases

Gene3Di 1.10.630.10. 1 hit.
InterProi IPR001128. Cyt_P450.
IPR017972. Cyt_P450_CS.
IPR002401. Cyt_P450_E_grp-I.
IPR008066. Cyt_P450_E_grp-I_CYP1.
[Graphical view ]
Pfami PF00067. p450. 1 hit.
[Graphical view ]
PRINTSi PR00463. EP450I.
PR01683. EP450ICYP1A.
PR00385. P450.
SUPFAMi SSF48264. SSF48264. 1 hit.
PROSITEi PS00086. CYTOCHROME_P450. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Cloning and characterization of two major 3-methylcholanthrene inducible hamster liver cytochrome P450s."
    Lai T.S., Chiang J.Y.L.
    Arch. Biochem. Biophys. 283:429-439(1990) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].
    Tissue: Liver.
  2. "Hamster cytochrome P-450 IA gene family, P-450IA1 and P-450IA2 in lung and liver: cDNA cloning and sequence analysis."
    Sagami I., Ohmachi T., Fujii H., Kikuchi H., Watanabe M.
    J. Biochem. 110:641-647(1991) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].
  3. "Purification and characterization of two forms of 2,3,4,7,8-pentachlorodibenzofuran-inducible cytochrome P-450 in hamster liver."
    Koga N., Ariyoshi N., Nakashima H., Yoshimura H.
    J. Biochem. 107:826-833(1990) [PubMed] [Europe PMC] [Abstract]
    Cited for: PROTEIN SEQUENCE OF 2-19.
    Tissue: Liver.

Entry informationi

Entry nameiCP1A2_MESAU
AccessioniPrimary (citable) accession number: P24453
Entry historyi
Integrated into UniProtKB/Swiss-Prot: March 1, 1992
Last sequence update: January 23, 2007
Last modified: November 26, 2014
This is version 94 of the entry and version 4 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Direct protein sequencing

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3