Reviewed, UniProtKB/Swiss-Prot Q3LFT9 (CP1A2_BALAC)

Names and origin

Protein names

Recommended name:
    Cytochrome P450 1A2
    EC=1.14.14.1
Alternative name(s):
    CYPIA2

Gene names

Name:

CYP1A2

Organism

Balaenoptera acutorostrata (Minke whale) (Lesser rorqual)

Taxonomic identifier

9767 [NCBI]

Taxonomic lineage

Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Laurasiatheria › Cetartiodactyla › Cetacea › Mysticeti › Balaenopteridae › Balaenoptera

Protein attributes

Sequence length	516 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is further processed into a mature form.
Protein existence	Evidence at transcript level.

General annotation (Comments)

Function	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.
Catalytic activity	RH + reduced flavoprotein + O2 = ROH + oxidized flavoprotein + H2O.
Cofactor	Heme group By similarity.
Subcellular location	Endoplasmic reticulum membrane; Peripheral membrane protein By similarity. Microsome membrane; Peripheral membrane protein By similarity.
Sequence similarities	Belongs to the cytochrome P450 family.

Ontologies

Keywords
Cellular component	Endoplasmic reticulum Membrane Microsome
Ligand	Heme Iron Metal-binding
Molecular function	Monooxygenase Oxidoreductase
PTM	Acetylation
Gene Ontology (GO)
Biological process	oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW
Cellular component	endoplasmic reticulum Inferred from electronic annotation. Source: UniProtKB-KW extrinsic to membrane Inferred from electronic annotation. Source: UniProtKB-SubCell microsome Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	aromatase activity Inferred from electronic annotation. Source: EC electron carrier activity Inferred from electronic annotation. Source: InterPro heme binding Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Initiator methionine	1	1	Removed By similarity
	Chain	2 – 516	515	Cytochrome P450 1A2		PRO_0000232906
Sites
	Metal binding	458	1	Iron (heme axial ligand) By similarity
Amino acid modifications
	Modified residue	289	1	N6-acetyllysine By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q3LFT9-1 [UniParc]. Last modified January 23, 2007. Version 3. Checksum: 6A2FEFA45A490D8F	FASTA	516	58,119
	10 20 30 40 50 60 MALSQATPFS ATELLLASAT FCLVFWVVKA WQPRVPKGLK SPPGPWSWPL IGHVLTLGKS 70 80 90 100 110 120 PHLALSRLSQ RYGDVLQIRI GCTPVLVLSG LDTIRQALVR QGDDFKGRPD LYSFTLVADG 130 140 150 160 170 180 QSMTFNPDSG PVWAAQRRLA QNALNSFSVA SDPASSSSCY LEMHVSKEAE ALIGKFQELM 190 200 210 220 230 240 AGSGRFDPYD HVVVSVAKVI GAMCFGQHFP QSSGEMVSLV RNTHDFVETA SSGSPVDFFP 250 260 270 280 290 300 ILKYLPNPAL QKYKSFNRRF LQFLWKMVQE HHQDFDKNRV QDIVGALFKH YEDNSRASGG 310 320 330 340 350 360 LMPQKKTVNL VNDIFAAGFD PITTAISWSL LYLVTNPEIQ RKIQQELDTV IGRARRPRLS 370 380 390 400 410 420 DRSQLPYLEA FILETFRHSS FVPFTIPHST IRDTTLNGFY IPKELCVFIN QWQVNHDPKL 430 440 450 460 470 480 WGDPSEFRPE RFLTSHDTTI SKTLSEKVML FGMGKRRCIG EVLAKWEIFL FLAILLQQLE 490 500 510 FSVPPGVKVD LTPTYGLTMK PAPCEHVQAR LRFPIK

References

[1]

"Molecular cloning and mRNA expression of cytochrome P4501A1 and 1A2 in the liver of common minke whales (Balaenoptera acutorostrata)." Niimi S., Watanabe M.X., Kim E.Y., Iwata H., Yasunaga G., Fujise Y., Tanabe S. Mar. Pollut. Bull. 51:784-793(2005) [PubMed: 16154599] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA]. Tissue: Liver.

Cross-references

Sequence databases
EMBL GenBank DDBJ	AB231892 mRNA. Translation: BAE46563.1.
3D structure databases
SMR	Q3LFT9. Positions 34-510.
ModBase	Search...
Phylogenomic databases
HOVERGEN	Q3LFT9.
Enzyme and pathway databases
BRENDA	1.14.14.1. 289568.
Family and domain databases
InterPro	IPR001128. Cyt_P450. IPR017973. Cyt_P450_C. IPR017972. Cyt_P450_CS. IPR002401. Cyt_P450_E_grp-I. IPR008066. Cyt_P450_E_grp-I_CYP1. [Graphical view]
Gene3D	G3DSA:1.10.630.10. Cyt_P450. 1 hit.
PANTHER	PTHR19383. Cyt_P450. 1 hit. PTHR19383:SF63. Cyt_P450_E_grp-I_CYP1. 1 hit.
Pfam	PF00067. p450. 1 hit. [Graphical view]
PRINTS	PR00463. EP450I. PR01683. EP450ICYP1A. PR00385. P450.
PROSITE	PS00086. CYTOCHROME_P450. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

CP1A2_BALAC

Accession

Primary (citable) accession number: Q3LFT9

Entry history

Integrated into UniProtKB/Swiss-Prot:	April 18, 2006
Last sequence update:	January 23, 2007
Last modified:	October 13, 2009
This is version 30 of the entry and version 3 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HPI (Human Proteome Initiative)