ID QCR7_HUMAN Reviewed; 111 AA. AC P14927; E5RJU0; Q6FGD1; DT 01-APR-1990, integrated into UniProtKB/Swiss-Prot. DT 23-JAN-2007, sequence version 2. DT 04-NOV-2026, entry version 224. DE RecName: Full=Cytochrome b-c1 complex subunit 7; DE AltName: Full=Complex III subunit 7; DE AltName: Full=Complex III subunit VII; DE AltName: Full=QP-C; DE AltName: Full=Ubiquinol-cytochrome c reductase complex 14 kDa protein; GN Name=UQCRB; Synonyms=UQBP; OS Homo sapiens (Human). OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; OC Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; OC Homo. OX NCBI_TaxID=9606; RN [1] RP NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1). RC TISSUE=Fibroblast; RX PubMed=3056408; DOI=10.1016/s0006-291x(88)80941-0; RA Suzuki H., Yoshitaka H., Toda H., Nishikimi M., Ozawa T.; RT "Cloning and sequencing of a cDNA for human mitochondrial ubiquinone- RT binding protein of complex III."; RL Biochem. Biophys. Res. Commun. 156:987-994(1988). RN [2] RP NUCLEOTIDE SEQUENCE [GENOMIC DNA / MRNA] (ISOFORM 1). RX PubMed=2543413; DOI=10.1016/0006-291x(89)91607-0; RA Suzuki H., Hosokawa Y., Toda H., Nishikimi M., Ozawa T.; RT "Isolation of a single nuclear gene encoding human ubiquinone-binding RT protein in complex III of mitochondrial respiratory chain."; RL Biochem. Biophys. Res. Commun. 161:371-378(1989). RN [3] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1). RA Ebert L., Schick M., Neubert P., Schatten R., Henze S., Korn B.; RT "Cloning of human full open reading frames in Gateway(TM) system entry RT vector (pDONR201)."; RL Submitted (JUN-2004) to the EMBL/GenBank/DDBJ databases. RN [4] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RX PubMed=16421571; DOI=10.1038/nature04406; RA Nusbaum C., Mikkelsen T.S., Zody M.C., Asakawa S., Taudien S., Garber M., RA Kodira C.D., Schueler M.G., Shimizu A., Whittaker C.A., Chang J.L., RA Cuomo C.A., Dewar K., FitzGerald M.G., Yang X., Allen N.R., Anderson S., RA Asakawa T., Blechschmidt K., Bloom T., Borowsky M.L., Butler J., Cook A., RA Corum B., DeArellano K., DeCaprio D., Dooley K.T., Dorris L. III, RA Engels R., Gloeckner G., Hafez N., Hagopian D.S., Hall J.L., Ishikawa S.K., RA Jaffe D.B., Kamat A., Kudoh J., Lehmann R., Lokitsang T., Macdonald P., RA Major J.E., Matthews C.D., Mauceli E., Menzel U., Mihalev A.H., RA Minoshima S., Murayama Y., Naylor J.W., Nicol R., Nguyen C., O'Leary S.B., RA O'Neill K., Parker S.C.J., Polley A., Raymond C.K., Reichwald K., RA Rodriguez J., Sasaki T., Schilhabel M., Siddiqui R., Smith C.L., RA Sneddon T.P., Talamas J.A., Tenzin P., Topham K., Venkataraman V., Wen G., RA Yamazaki S., Young S.K., Zeng Q., Zimmer A.R., Rosenthal A., Birren B.W., RA Platzer M., Shimizu N., Lander E.S.; RT "DNA sequence and analysis of human chromosome 8."; RL Nature 439:331-335(2006). RN [5] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RA Mural R.J., Istrail S., Sutton G.G., Florea L., Halpern A.L., Mobarry C.M., RA Lippert R., Walenz B., Shatkay H., Dew I., Miller J.R., Flanigan M.J., RA Edwards N.J., Bolanos R., Fasulo D., Halldorsson B.V., Hannenhalli S., RA Turner R., Yooseph S., Lu F., Nusskern D.R., Shue B.C., Zheng X.H., RA Zhong F., Delcher A.L., Huson D.H., Kravitz S.A., Mouchard L., Reinert K., RA Remington K.A., Clark A.G., Waterman M.S., Eichler E.E., Adams M.D., RA Hunkapiller M.W., Myers E.W., Venter J.C.; RL Submitted (JUL-2005) to the EMBL/GenBank/DDBJ databases. RN [6] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORMS 1 AND 2). RC TISSUE=Urinary bladder; RX PubMed=15489334; DOI=10.1101/gr.2596504; RG The MGC Project Team; RT "The status, quality, and expansion of the NIH full-length cDNA project: RT the Mammalian Gene Collection (MGC)."; RL Genome Res. 14:2121-2127(2004). RN [7] RP NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 1-6. RX PubMed=2159470; DOI=10.1016/s0021-9258(19)39051-9; RA Suzuki H., Hosokawa Y., Toda H., Nishikimi M., Ozawa T.; RT "Common protein-binding sites in the 5'-flanking regions of human genes for RT cytochrome c1 and ubiquinone-binding protein."; RL J. Biol. Chem. 265:8159-8163(1990). RN [8] RP INVOLVEMENT IN MC3DN3. RX PubMed=12709789; DOI=10.1007/s00439-003-0946-0; RA Haut S., Brivet M., Touati G., Rustin P., Lebon S., Garcia-Cazorla A., RA Saudubray J.-M., Boutron A., Legrand A., Slama A.; RT "A deletion in the human QP-C gene causes a complex III deficiency RT resulting in hypoglycaemia and lactic acidosis."; RL Hum. Genet. 113:118-122(2003). RN [9] RP IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]. RX PubMed=21269460; DOI=10.1186/1752-0509-5-17; RA Burkard T.R., Planyavsky M., Kaupe I., Breitwieser F.P., Buerckstuemmer T., RA Bennett K.L., Superti-Furga G., Colinge J.; RT "Initial characterization of the human central proteome."; RL BMC Syst. Biol. 5:17-17(2011). RN [10] RP IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]. RC TISSUE=Liver; RX PubMed=24275569; DOI=10.1016/j.jprot.2013.11.014; RA Bian Y., Song C., Cheng K., Dong M., Wang F., Huang J., Sun D., Wang L., RA Ye M., Zou H.; RT "An enzyme assisted RP-RPLC approach for in-depth analysis of human liver RT phosphoproteome."; RL J. Proteomics 96:253-262(2014). RN [11] RP IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]. RX PubMed=25944712; DOI=10.1002/pmic.201400617; RA Vaca Jacome A.S., Rabilloud T., Schaeffer-Reiss C., Rompais M., Ayoub D., RA Lane L., Bairoch A., Van Dorsselaer A., Carapito C.; RT "N-terminome analysis of the human mitochondrial proteome."; RL Proteomics 15:2519-2524(2015). RN [12] RP STRUCTURE BY ELECTRON MICROSCOPY. RX PubMed=28844695; DOI=10.1016/j.cell.2017.07.050; RA Guo R., Zong S., Wu M., Gu J., Yang M.; RT "Architecture of human mitochondrial respiratory megacomplex I2III2IV2."; RL Cell 170:1247-1257(2017). CC -!- FUNCTION: Component of the ubiquinol-cytochrome c oxidoreductase, a CC multisubunit transmembrane complex that is part of the mitochondrial CC electron transport chain which drives oxidative phosphorylation. The CC respiratory chain contains 3 multisubunit complexes succinate CC dehydrogenase (complex II, CII), ubiquinol-cytochrome c oxidoreductase CC (cytochrome b-c1 complex, complex III, CIII) and cytochrome c oxidase CC (complex IV, CIV), that cooperate to transfer electrons derived from CC NADH and succinate to molecular oxygen, creating an electrochemical CC gradient over the inner membrane that drives transmembrane transport CC and the ATP synthase. The cytochrome b-c1 complex catalyzes electron CC transfer from ubiquinol to cytochrome c, linking this redox reaction to CC translocation of protons across the mitochondrial inner membrane, with CC protons being carried across the membrane as hydrogens on the quinol. CC In the process called Q cycle, 2 protons are consumed from the matrix, CC 4 protons are released into the intermembrane space and 2 electrons are CC passed to cytochrome c. {ECO:0000250|UniProtKB:P00128}. CC -!- SUBUNIT: Component of the ubiquinol-cytochrome c oxidoreductase CC (cytochrome b-c1 complex, complex III, CIII), a multisubunit enzyme CC composed of 11 subunits. The complex is composed of 3 respiratory CC subunits cytochrome b, cytochrome c1 and Rieske protein UQCRFS1, 2 core CC protein subunits UQCRC1/QCR1 and UQCRC2/QCR2, and 6 low-molecular CC weight protein subunits UQCRH/QCR6, UQCRB/QCR7, UQCRQ/QCR8, CC UQCR10/QCR9, UQCR11/QCR10 and subunit 9, the cleavage product of Rieske CC protein UQCRFS1 (By similarity). The complex exists as an obligatory CC dimer and forms supercomplexes (SCs) in the inner mitochondrial CC membrane with NADH-ubiquinone oxidoreductase (complex I, CI) and CC cytochrome c oxidase (complex IV, CIV), resulting in different CC assemblies (supercomplex SCI(1)III(2)IV(1) and megacomplex CC MCI(2)III(2)IV(2)) (PubMed:28844695). {ECO:0000250|UniProtKB:P00129, CC ECO:0000269|PubMed:28844695}. CC -!- INTERACTION: CC P14927; Q15027: ACAP1; NbExp=3; IntAct=EBI-743128, EBI-751746; CC P14927; Q96QU6: ACCS; NbExp=3; IntAct=EBI-743128, EBI-743387; CC P14927; Q14457: BECN1; NbExp=3; IntAct=EBI-743128, EBI-949378; CC P14927; P08574: CYC1; NbExp=3; IntAct=EBI-743128, EBI-1224514; CC P14927; Q86TI2-2: DPP9; NbExp=3; IntAct=EBI-743128, EBI-21529239; CC P14927; P06241-3: FYN; NbExp=3; IntAct=EBI-743128, EBI-10691738; CC P14927; Q9BRX5: GINS3; NbExp=3; IntAct=EBI-743128, EBI-2857315; CC P14927; P84074: HPCA; NbExp=3; IntAct=EBI-743128, EBI-12197079; CC P14927; Q13352: ITGB3BP; NbExp=3; IntAct=EBI-743128, EBI-712105; CC P14927; A1A512: KIAA0355; NbExp=3; IntAct=EBI-743128, EBI-25844799; CC P14927; Q15012: LAPTM4A; NbExp=3; IntAct=EBI-743128, EBI-723416; CC P14927; Q92615: LARP4B; NbExp=3; IntAct=EBI-743128, EBI-1052558; CC P14927; P43358: MAGEA4; NbExp=8; IntAct=EBI-743128, EBI-743122; CC P14927; Q1RN33: MAGEA4; NbExp=3; IntAct=EBI-743128, EBI-10194128; CC P14927; O15481: MAGEB4; NbExp=3; IntAct=EBI-743128, EBI-751857; CC P14927; Q8WTV1: THAP3; NbExp=3; IntAct=EBI-743128, EBI-17438286; CC P14927; Q19AV6: ZSWIM7; NbExp=3; IntAct=EBI-743128, EBI-5281647; CC -!- SUBCELLULAR LOCATION: Mitochondrion inner membrane CC {ECO:0000250|UniProtKB:P00128}; Peripheral membrane protein CC {ECO:0000250|UniProtKB:P00128}; Matrix side CC {ECO:0000250|UniProtKB:P00128}. CC -!- ALTERNATIVE PRODUCTS: CC Event=Alternative splicing; Named isoforms=2; CC Name=1; CC IsoId=P14927-1; Sequence=Displayed; CC Name=2; CC IsoId=P14927-2; Sequence=VSP_045601; CC -!- DISEASE: Mitochondrial complex III deficiency, nuclear type 3 (MC3DN3) CC [MIM:615158]: A disorder of the mitochondrial respiratory chain CC resulting in a highly variable phenotype depending on which tissues are CC affected. Clinical features include mitochondrial encephalopathy, CC psychomotor retardation, ataxia, severe failure to thrive, liver CC dysfunction, renal tubulopathy, muscle weakness and exercise CC intolerance. {ECO:0000269|PubMed:12709789}. Note=The disease is caused CC by variants affecting the gene represented in this entry. CC -!- SIMILARITY: Belongs to the UQCRB/QCR7 family. {ECO:0000305}. CC -!- CAUTION: Was originally thought to be the ubiquinone-binding protein CC (QP-C). {ECO:0000305}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; X13585; CAA31926.1; -; mRNA. DR EMBL; M22348; AAA60238.1; -; mRNA. DR EMBL; CR542176; CAG46973.1; -; mRNA. DR EMBL; CR542196; CAG46993.1; -; mRNA. DR EMBL; M26730; AAA60235.1; -; Genomic_DNA. DR EMBL; M35761; AAA60235.1; JOINED; Genomic_DNA. DR EMBL; M26706; AAA60235.1; JOINED; Genomic_DNA. DR EMBL; M26707; AAA60235.1; JOINED; Genomic_DNA. DR EMBL; M26700; AAA60236.1; -; mRNA. DR EMBL; M26701; AAA60237.1; -; Genomic_DNA. DR EMBL; AP003465; -; NOT_ANNOTATED_CDS; Genomic_DNA. DR EMBL; CH471060; EAW91749.1; -; Genomic_DNA. DR EMBL; BC005230; AAH05230.1; -; mRNA. DR EMBL; BU535281; -; NOT_ANNOTATED_CDS; mRNA. DR EMBL; M37387; AAA60361.1; ALT_SEQ; Genomic_DNA. DR CCDS; CCDS59107.1; -. [P14927-2] DR CCDS; CCDS6269.1; -. [P14927-1] DR PIR; A32450; A32450. DR RefSeq; NP_001186904.1; NM_001199975.3. DR RefSeq; NP_001241681.1; NM_001254752.2. [P14927-2] DR RefSeq; NP_006285.1; NM_006294.5. [P14927-1] DR PDB; 5XTE; EM; 3.40 A; F/S=6-111. DR PDB; 5XTH; EM; 3.90 A; AF/AS=6-111. DR PDB; 5XTI; EM; 17.40 A; AF/AS=6-111. DR PDB; 9CG3; EM; 2.96 A; F/S=1-111. DR PDB; 9HZL; EM; 2.52 A; F/S=1-111. DR AlphaFoldDB; P14927; -. DR EMDB; EMD-45567; -. DR EMDB; EMD-52525; -. DR SMR; P14927; -. DR BioGRID; 113227; 149. DR ComplexPortal; CPX-560; Mitochondrial respiratory chain complex III. DR FunCoup; P14927; 725. DR IntAct; P14927; 80. DR NDEx; IQUERY-CP-UQCRB; 3 NDEx IQuery Curated Pathways. DR STRING; 9606.ENSP00000430494; -. DR BindingDB; P14927; -. DR ChEMBL; CHEMBL1671612; -. DR DrugBank; DB07763; (5S)-3-ANILINO-5-(2,4-DIFLUOROPHENYL)-5-METHYL-1,3-OXAZOLIDINE-2,4-DIONE. DR DrugBank; DB07778; (S)-famoxadone. DR DrugBank; DB04141; 2-Hexyloxy-6-Hydroxymethyl-Tetrahydro-Pyran-3,4,5-Triol. DR DrugBank; DB08453; 2-Nonyl-4-quinolinol 1-oxide. DR DrugBank; DB07636; 5-Heptyl-6-hydroxy-1,3-benzothiazole-4,7-dione. DR DrugBank; DB04799; 6-Hydroxy-5-undecyl-4,7-benzothiazoledione. DR DrugBank; DB07401; Azoxystrobin. DR DrugBank; DB08330; METHYL (2Z)-3-METHOXY-2-{2-[(E)-2-PHENYLVINYL]PHENYL}ACRYLATE. DR DrugBank; DB08690; Ubiquinone Q2. DR CarbonylDB; P14927; -. DR GlyGen; P14927; 1 site, 1 O-linked glycan (1 site). DR iPTMnet; P14927; -. DR PhosphoSitePlus; P14927; -. DR SwissPalm; P14927; -. DR BioMuta; UQCRB; -. DR DMDM; 136717; -. DR jPOST; P14927; -. DR MassIVE; P14927; -. DR PaxDb; 9606-ENSP00000430494; -. DR PeptideAtlas; P14927; -. DR ProteomicsDB; 16706; -. DR ProteomicsDB; 53099; -. [P14927-1] DR Pumba; P14927; -. DR TopDownProteomics; P14927-1; -. [P14927-1] DR Antibodypedia; 42750; 192 antibodies from 32 providers. DR DNASU; 7381; -. DR Ensembl; ENST00000287022.10; ENSP00000287022.5; ENSG00000156467.11. [P14927-1] DR Ensembl; ENST00000518406.5; ENSP00000430494.1; ENSG00000156467.11. [P14927-2] DR GeneID; 7381; -. DR KEGG; hsa:7381; -. DR MANE-Select; ENST00000287022.10; ENSP00000287022.5; NM_006294.5; NP_006285.1. DR UCSC; uc003yhq.5; human. [P14927-1] DR AGR; HGNC:12582; -. DR ClinPGx; PA37213; -. DR CTD; 7381; -. DR DisGeNET; 7381; -. DR GeneCards; UQCRB; -. DR HGNC; HGNC:12582; UQCRB. DR HPA; ENSG00000156467; Tissue enhanced (skeletal). DR MalaCards; UQCRB; -. DR MIM; 191330; gene. DR MIM; 615158; phenotype. DR OpenTargets; ENSG00000156467; -. DR Orphanet; 1460; Isolated complex III deficiency. DR VEuPathDB; HostDB:ENSG00000156467; -. DR eggNOG; KOG3440; Eukaryota. DR GeneTree; ENSGT00390000012916; -. DR HOGENOM; CLU_115154_2_0_1; -. DR InParanoid; P14927; -. DR OMA; AANWYAN; -. DR OrthoDB; 425749at2759; -. DR PAN-GO; P14927; 2 GO annotations based on evolutionary models. DR PhylomeDB; P14927; -. DR BioCyc; MetaCyc:HS08128-MONOMER; -. DR BRENDA; 7.1.1.8; 2681. DR PathwayCommons; P14927; -. DR Reactome; R-HSA-611105; Respiratory electron transport. DR Reactome; R-HSA-9865881; Complex III assembly. DR SignaLink; P14927; -. DR SIGNOR; P14927; -. DR Agora; ENSG00000156467; Agora Nominated Target for Alzheimer's Disease. DR BioGRID-ORCS; 7381; 324 hits in 1134 CRISPR screens. DR CD-CODE; FB4E32DD; Presynaptic clusters and postsynaptic densities. DR ChiTaRS; UQCRB; human. DR GeneWiki; UQCRB; -. DR GenomeRNAi; 7381; -. DR Pharos; P14927; Tbio. DR PRO; PR:P14927; -. DR Proteomes; UP000005640; Chromosome 8. DR RNAct; P14927; protein. DR Bgee; ENSG00000156467; Expressed in heart right ventricle and 215 other cell types or tissues. DR ExpressionAtlas; P14927; baseline and differential. DR GO; GO:0005743; C:mitochondrial inner membrane; IDA:ComplexPortal. DR GO; GO:0005739; C:mitochondrion; HTP:FlyBase. DR GO; GO:0098803; C:respiratory chain complex; TAS:ProtInc. DR GO; GO:0045275; C:respiratory chain complex III; IPI:ComplexPortal. DR GO; GO:0009060; P:aerobic respiration; TAS:ProtInc. DR GO; GO:0045333; P:cellular respiration; NAS:ComplexPortal. DR GO; GO:0006122; P:mitochondrial electron transport, ubiquinol to cytochrome c; IBA:GO_Central. DR GO; GO:0006119; P:oxidative phosphorylation; TAS:ProtInc. DR FunFam; 1.10.1090.10:FF:000001; Cytochrome b-c1 complex subunit 7; 1. DR Gene3D; 1.10.1090.10; Cytochrome b-c1 complex subunit 7; 1. DR InterPro; IPR003197; QCR7. DR InterPro; IPR036544; QCR7_sf. DR PANTHER; PTHR12022:SF12; CYTOCHROME B-C1 COMPLEX SUBUNIT 7; 1. DR PANTHER; PTHR12022; UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 14 KD PROTEIN; 1. DR Pfam; PF02271; UCR_14kD; 1. DR PIRSF; PIRSF000022; Bc1_14K; 1. DR SUPFAM; SSF81524; 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase); 1. PE 1: Evidence at protein level; KW 3D-structure; Acetylation; Alternative splicing; Electron transport; KW Membrane; Mitochondrion; Mitochondrion inner membrane; KW Primary mitochondrial disease; Proteomics identification; KW Reference proteome; Respiratory chain; Transport. FT INIT_MET 1 FT /note="Removed" FT /evidence="ECO:0000250|UniProtKB:P00129" FT CHAIN 2..111 FT /note="Cytochrome b-c1 complex subunit 7" FT /id="PRO_0000193524" FT MOD_RES 2 FT /note="N-acetylalanine" FT /evidence="ECO:0000250|UniProtKB:P00129" FT MOD_RES 12 FT /note="N6-acetyllysine; alternate" FT /evidence="ECO:0000250|UniProtKB:Q9D855" FT MOD_RES 12 FT /note="N6-succinyllysine; alternate" FT /evidence="ECO:0000250|UniProtKB:Q9D855" FT MOD_RES 19 FT /note="N6-acetyllysine" FT /evidence="ECO:0000250|UniProtKB:Q9D855" FT MOD_RES 78 FT /note="N6-acetyllysine; alternate" FT /evidence="ECO:0000250|UniProtKB:Q9D855" FT MOD_RES 78 FT /note="N6-succinyllysine; alternate" FT /evidence="ECO:0000250|UniProtKB:Q9D855" FT MOD_RES 83 FT /note="N6-acetyllysine" FT /evidence="ECO:0000250|UniProtKB:Q9D855" FT MOD_RES 96 FT /note="N6-acetyllysine" FT /evidence="ECO:0000250|UniProtKB:Q9D855" FT VAR_SEQ 87..111 FT /note="ENFYLEPYLKEVIRERKEREEWAKK -> VFAVPALHSASYLDEKISPLSVP FT PDPKKSFCEANSHPLNCIETRQRKISTLNRI (in isoform 2)" FT /evidence="ECO:0000303|PubMed:15489334" FT /id="VSP_045601" FT VARIANT 30 FT /note="L -> P (in dbSNP:rs35895613)" FT /id="VAR_052443" FT CONFLICT 6 FT /note="A -> G (in Ref. 2; AAA60236)" FT /evidence="ECO:0000305" FT STRAND 8..10 FT /evidence="ECO:0007829|PDB:9HZL" FT HELIX 11..24 FT /evidence="ECO:0007829|PDB:9HZL" FT HELIX 26..30 FT /evidence="ECO:0007829|PDB:9HZL" FT HELIX 35..37 FT /evidence="ECO:0007829|PDB:9HZL" FT HELIX 42..50 FT /evidence="ECO:0007829|PDB:9HZL" FT HELIX 53..72 FT /evidence="ECO:0007829|PDB:9HZL" FT HELIX 78..80 FT /evidence="ECO:0007829|PDB:9HZL" FT TURN 84..86 FT /evidence="ECO:0007829|PDB:9HZL" FT HELIX 92..109 FT /evidence="ECO:0007829|PDB:9HZL" SQ SEQUENCE 111 AA; 13530 MW; E61629D06DFA55B7 CRC64; MAGKQAVSAS GKWLDGIRKW YYNAAGFNKL GLMRDDTIYE DEDVKEAIRR LPENLYNDRM FRIKRALDLN LKHQILPKEQ WTKYEEENFY LEPYLKEVIR ERKEREEWAK K //