CYB5_DROME
ID CYB5_DROME Reviewed; 134 AA.
AC Q9V4N3; Q6AWQ2; Q8IH75; Q9I7E0;
DT 23-JAN-2002, integrated into UniProtKB/Swiss-Prot.
DT 01-MAY-2000, sequence version 1.
DT 03-AUG-2022, entry version 160.
DE RecName: Full=Cytochrome b5;
DE Short=CYTB5;
GN Name=Cyt-b5; ORFNames=CG2140;
OS Drosophila melanogaster (Fruit fly).
OC Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Hexapoda; Insecta; Pterygota;
OC Neoptera; Endopterygota; Diptera; Brachycera; Muscomorpha; Ephydroidea;
OC Drosophilidae; Drosophila; Sophophora.
OX NCBI_TaxID=7227;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Berkeley;
RX PubMed=10731132; DOI=10.1126/science.287.5461.2185;
RA Adams M.D., Celniker S.E., Holt R.A., Evans C.A., Gocayne J.D.,
RA Amanatides P.G., Scherer S.E., Li P.W., Hoskins R.A., Galle R.F.,
RA George R.A., Lewis S.E., Richards S., Ashburner M., Henderson S.N.,
RA Sutton G.G., Wortman J.R., Yandell M.D., Zhang Q., Chen L.X., Brandon R.C.,
RA Rogers Y.-H.C., Blazej R.G., Champe M., Pfeiffer B.D., Wan K.H., Doyle C.,
RA Baxter E.G., Helt G., Nelson C.R., Miklos G.L.G., Abril J.F., Agbayani A.,
RA An H.-J., Andrews-Pfannkoch C., Baldwin D., Ballew R.M., Basu A.,
RA Baxendale J., Bayraktaroglu L., Beasley E.M., Beeson K.Y., Benos P.V.,
RA Berman B.P., Bhandari D., Bolshakov S., Borkova D., Botchan M.R., Bouck J.,
RA Brokstein P., Brottier P., Burtis K.C., Busam D.A., Butler H., Cadieu E.,
RA Center A., Chandra I., Cherry J.M., Cawley S., Dahlke C., Davenport L.B.,
RA Davies P., de Pablos B., Delcher A., Deng Z., Mays A.D., Dew I.,
RA Dietz S.M., Dodson K., Doup L.E., Downes M., Dugan-Rocha S., Dunkov B.C.,
RA Dunn P., Durbin K.J., Evangelista C.C., Ferraz C., Ferriera S.,
RA Fleischmann W., Fosler C., Gabrielian A.E., Garg N.S., Gelbart W.M.,
RA Glasser K., Glodek A., Gong F., Gorrell J.H., Gu Z., Guan P., Harris M.,
RA Harris N.L., Harvey D.A., Heiman T.J., Hernandez J.R., Houck J., Hostin D.,
RA Houston K.A., Howland T.J., Wei M.-H., Ibegwam C., Jalali M., Kalush F.,
RA Karpen G.H., Ke Z., Kennison J.A., Ketchum K.A., Kimmel B.E., Kodira C.D.,
RA Kraft C.L., Kravitz S., Kulp D., Lai Z., Lasko P., Lei Y., Levitsky A.A.,
RA Li J.H., Li Z., Liang Y., Lin X., Liu X., Mattei B., McIntosh T.C.,
RA McLeod M.P., McPherson D., Merkulov G., Milshina N.V., Mobarry C.,
RA Morris J., Moshrefi A., Mount S.M., Moy M., Murphy B., Murphy L.,
RA Muzny D.M., Nelson D.L., Nelson D.R., Nelson K.A., Nixon K., Nusskern D.R.,
RA Pacleb J.M., Palazzolo M., Pittman G.S., Pan S., Pollard J., Puri V.,
RA Reese M.G., Reinert K., Remington K., Saunders R.D.C., Scheeler F.,
RA Shen H., Shue B.C., Siden-Kiamos I., Simpson M., Skupski M.P., Smith T.J.,
RA Spier E., Spradling A.C., Stapleton M., Strong R., Sun E., Svirskas R.,
RA Tector C., Turner R., Venter E., Wang A.H., Wang X., Wang Z.-Y.,
RA Wassarman D.A., Weinstock G.M., Weissenbach J., Williams S.M., Woodage T.,
RA Worley K.C., Wu D., Yang S., Yao Q.A., Ye J., Yeh R.-F., Zaveri J.S.,
RA Zhan M., Zhang G., Zhao Q., Zheng L., Zheng X.H., Zhong F.N., Zhong W.,
RA Zhou X., Zhu S.C., Zhu X., Smith H.O., Gibbs R.A., Myers E.W., Rubin G.M.,
RA Venter J.C.;
RT "The genome sequence of Drosophila melanogaster.";
RL Science 287:2185-2195(2000).
RN [2]
RP GENOME REANNOTATION, AND ALTERNATIVE SPLICING.
RC STRAIN=Berkeley;
RX PubMed=12537572; DOI=10.1186/gb-2002-3-12-research0083;
RA Misra S., Crosby M.A., Mungall C.J., Matthews B.B., Campbell K.S.,
RA Hradecky P., Huang Y., Kaminker J.S., Millburn G.H., Prochnik S.E.,
RA Smith C.D., Tupy J.L., Whitfield E.J., Bayraktaroglu L., Berman B.P.,
RA Bettencourt B.R., Celniker S.E., de Grey A.D.N.J., Drysdale R.A.,
RA Harris N.L., Richter J., Russo S., Schroeder A.J., Shu S.Q., Stapleton M.,
RA Yamada C., Ashburner M., Gelbart W.M., Rubin G.M., Lewis S.E.;
RT "Annotation of the Drosophila melanogaster euchromatic genome: a systematic
RT review.";
RL Genome Biol. 3:RESEARCH0083.1-RESEARCH0083.22(2002).
RN [3]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM A).
RC STRAIN=Berkeley; TISSUE=Head;
RX PubMed=12537569; DOI=10.1186/gb-2002-3-12-research0080;
RA Stapleton M., Carlson J.W., Brokstein P., Yu C., Champe M., George R.A.,
RA Guarin H., Kronmiller B., Pacleb J.M., Park S., Wan K.H., Rubin G.M.,
RA Celniker S.E.;
RT "A Drosophila full-length cDNA resource.";
RL Genome Biol. 3:RESEARCH0080.1-RESEARCH0080.8(2002).
RN [4]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM B).
RC STRAIN=Berkeley; TISSUE=Embryo;
RA Stapleton M., Brokstein P., Hong L., Agbayani A., Carlson J.W., Champe M.,
RA Chavez C., Dorsett V., Dresnek D., Farfan D., Frise E., George R.A.,
RA Gonzalez M., Guarin H., Kronmiller B., Li P.W., Liao G., Miranda A.,
RA Mungall C.J., Nunoo J., Pacleb J.M., Paragas V., Park S., Patel S.,
RA Phouanenavong S., Wan K.H., Yu C., Lewis S.E., Rubin G.M., Celniker S.E.;
RL Submitted (AUG-2004) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Cytochrome b5 is a membrane-bound hemoprotein which functions
CC as an electron carrier for several membrane-bound oxygenases.
CC {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Endoplasmic reticulum membrane {ECO:0000250};
CC Single-pass membrane protein {ECO:0000250}; Cytoplasmic side
CC {ECO:0000250}. Microsome membrane {ECO:0000250}; Single-pass membrane
CC protein {ECO:0000250}; Cytoplasmic side {ECO:0000250}.
CC -!- ALTERNATIVE PRODUCTS:
CC Event=Alternative splicing; Named isoforms=2;
CC Name=B;
CC IsoId=Q9V4N3-1; Sequence=Displayed;
CC Name=A;
CC IsoId=Q9V4N3-2; Sequence=VSP_008871;
CC -!- SIMILARITY: Belongs to the cytochrome b5 family. {ECO:0000305}.
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DR EMBL; AE013599; AAF59233.3; -; Genomic_DNA.
DR EMBL; AE013599; AAG22305.2; -; Genomic_DNA.
DR EMBL; BT001378; AAN71133.1; -; mRNA.
DR EMBL; BT004852; AAO45208.1; -; mRNA.
DR EMBL; BT015196; AAT94425.1; -; mRNA.
DR RefSeq; NP_610294.1; NM_136450.4. [Q9V4N3-1]
DR RefSeq; NP_724575.1; NM_165540.3. [Q9V4N3-2]
DR AlphaFoldDB; Q9V4N3; -.
DR SMR; Q9V4N3; -.
DR BioGRID; 61564; 2.
DR DIP; DIP-22488N; -.
DR IntAct; Q9V4N3; 8.
DR STRING; 7227.FBpp0087979; -.
DR PaxDb; Q9V4N3; -.
DR DNASU; 35688; -.
DR EnsemblMetazoa; FBtr0088905; FBpp0087979; FBgn0264294. [Q9V4N3-1]
DR EnsemblMetazoa; FBtr0088906; FBpp0087980; FBgn0264294. [Q9V4N3-2]
DR GeneID; 35688; -.
DR KEGG; dme:Dmel_CG2140; -.
DR UCSC; CG2140-RA; d. melanogaster. [Q9V4N3-1]
DR CTD; 35688; -.
DR FlyBase; FBgn0264294; Cyt-b5.
DR VEuPathDB; VectorBase:FBgn0264294; -.
DR eggNOG; KOG0537; Eukaryota.
DR GeneTree; ENSGT00940000155584; -.
DR HOGENOM; CLU_102602_3_3_1; -.
DR InParanoid; Q9V4N3; -.
DR OMA; WTNFLIP; -.
DR PhylomeDB; Q9V4N3; -.
DR Reactome; R-DME-196836; Vitamin C (ascorbate) metabolism.
DR Reactome; R-DME-9609523; Insertion of tail-anchored proteins into the endoplasmic reticulum membrane.
DR BioGRID-ORCS; 35688; 0 hits in 3 CRISPR screens.
DR ChiTaRS; Cyt-b5-r; fly.
DR GenomeRNAi; 35688; -.
DR PRO; PR:Q9V4N3; -.
DR Proteomes; UP000000803; Chromosome 2R.
DR Bgee; FBgn0264294; Expressed in crop (Drosophila) and 73 other tissues.
DR ExpressionAtlas; Q9V4N3; baseline and differential.
DR Genevisible; Q9V4N3; DM.
DR GO; GO:0012505; C:endomembrane system; HDA:FlyBase.
DR GO; GO:0005789; C:endoplasmic reticulum membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0043231; C:intracellular membrane-bounded organelle; IBA:GO_Central.
DR GO; GO:0016020; C:membrane; IBA:GO_Central.
DR GO; GO:0020037; F:heme binding; IBA:GO_Central.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0006979; P:response to oxidative stress; IMP:FlyBase.
DR GO; GO:0006805; P:xenobiotic metabolic process; IMP:FlyBase.
DR Gene3D; 3.10.120.10; -; 1.
DR InterPro; IPR001199; Cyt_B5-like_heme/steroid-bd.
DR InterPro; IPR036400; Cyt_B5-like_heme/steroid_sf.
DR InterPro; IPR018506; Cyt_B5_heme-BS.
DR Pfam; PF00173; Cyt-b5; 1.
DR PRINTS; PR00363; CYTOCHROMEB5.
DR SMART; SM01117; Cyt-b5; 1.
DR SUPFAM; SSF55856; SSF55856; 1.
DR PROSITE; PS00191; CYTOCHROME_B5_1; 1.
DR PROSITE; PS50255; CYTOCHROME_B5_2; 1.
PE 2: Evidence at transcript level;
KW Alternative splicing; Electron transport; Endoplasmic reticulum; Heme;
KW Iron; Membrane; Metal-binding; Microsome; Reference proteome;
KW Transmembrane; Transmembrane helix; Transport.
FT CHAIN 1..134
FT /note="Cytochrome b5"
FT /id="PRO_0000166016"
FT TRANSMEM 111..131
FT /note="Helical"
FT /evidence="ECO:0000255"
FT DOMAIN 6..82
FT /note="Cytochrome b5 heme-binding"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00279"
FT REGION 86..105
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 41
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00279"
FT BINDING 65
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00279"
FT VAR_SEQ 1..40
FT /note="MSSEETKTFTRAEVAKHNTNKDTWLLIHNNIYDVTAFLNE -> MVQSKRNF
FT ARVLRIKVSVTLLAYKCQIKS (in isoform A)"
FT /evidence="ECO:0000303|PubMed:12537569"
FT /id="VSP_008871"
SQ SEQUENCE 134 AA; 15206 MW; 11D1FB03EFAB40DC CRC64;
MSSEETKTFT RAEVAKHNTN KDTWLLIHNN IYDVTAFLNE HPGGEEVLIE QAGKDATENF
EDVGHSNDAR DMMKKYKIGE LVESERTSVA QKSEPTWSTE QQTEESSVKS WLVPLVLCLV
ATLFYKFFFG GAKQ