ID A0A3Q3SYT0_9TELE Unreviewed; 845 AA.
AC A0A3Q3SYT0;
DT 10-APR-2019, integrated into UniProtKB/TrEMBL.
DT 02-JUN-2021, sequence version 2.
DT 27-MAR-2024, entry version 24.
DE RecName: Full=ATP-binding cassette sub-family B member 6 {ECO:0000256|ARBA:ARBA00024439};
DE EC=7.6.2.5 {ECO:0000256|ARBA:ARBA00024385};
DE AltName: Full=ABC-type heme transporter ABCB6 {ECO:0000256|ARBA:ARBA00031413};
OS Mastacembelus armatus (zig-zag eel).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata;
OC Anabantaria; Synbranchiformes; Mastacembelidae; Mastacembelus.
OX NCBI_TaxID=205130 {ECO:0000313|Ensembl:ENSMAMP00000033010.2, ECO:0000313|Proteomes:UP000261640};
RN [1] {ECO:0000313|Ensembl:ENSMAMP00000033010.2}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (NOV-2023) to UniProtKB.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + H2O + heme b(in) = ADP + H(+) + heme b(out) + phosphate;
CC Xref=Rhea:RHEA:19261, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:30616, ChEBI:CHEBI:43474, ChEBI:CHEBI:60344,
CC ChEBI:CHEBI:456216; EC=7.6.2.5;
CC Evidence={ECO:0000256|ARBA:ARBA00024259};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:19262;
CC Evidence={ECO:0000256|ARBA:ARBA00024259};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + H2O + pheophorbide a(in) = ADP + H(+) + pheophorbide
CC a(out) + phosphate; Xref=Rhea:RHEA:61360, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:30616, ChEBI:CHEBI:43474,
CC ChEBI:CHEBI:58687, ChEBI:CHEBI:456216;
CC Evidence={ECO:0000256|ARBA:ARBA00001865};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:61361;
CC Evidence={ECO:0000256|ARBA:ARBA00001865};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + H2O + protoporphyrin IX(in) = ADP + H(+) + phosphate +
CC protoporphyrin IX(out); Xref=Rhea:RHEA:61336, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:30616, ChEBI:CHEBI:43474,
CC ChEBI:CHEBI:57306, ChEBI:CHEBI:456216;
CC Evidence={ECO:0000256|ARBA:ARBA00024279};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:61337;
CC Evidence={ECO:0000256|ARBA:ARBA00024279};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + H2O + uroporphyrin I(in) = ADP + H(+) + phosphate +
CC uroporphyrin I(out); Xref=Rhea:RHEA:66772, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:30616, ChEBI:CHEBI:43474,
CC ChEBI:CHEBI:167480, ChEBI:CHEBI:456216;
CC Evidence={ECO:0000256|ARBA:ARBA00024277};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:66773;
CC Evidence={ECO:0000256|ARBA:ARBA00024277};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + H2O + uroporphyrin III(in) = ADP + H(+) + phosphate +
CC uroporphyrin III(out); Xref=Rhea:RHEA:66776, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:30616, ChEBI:CHEBI:43474,
CC ChEBI:CHEBI:167479, ChEBI:CHEBI:456216;
CC Evidence={ECO:0000256|ARBA:ARBA00024289};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:66777;
CC Evidence={ECO:0000256|ARBA:ARBA00024289};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + coproporphyrin I(in) + H2O = ADP + coproporphyrin I(out)
CC + H(+) + phosphate; Xref=Rhea:RHEA:66768, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:30616, ChEBI:CHEBI:43474,
CC ChEBI:CHEBI:167478, ChEBI:CHEBI:456216;
CC Evidence={ECO:0000256|ARBA:ARBA00024261};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:66769;
CC Evidence={ECO:0000256|ARBA:ARBA00024261};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + coproporphyrin III(in) + H2O = ADP + coproporphyrin
CC III(out) + H(+) + phosphate; Xref=Rhea:RHEA:66664, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:30616, ChEBI:CHEBI:43474,
CC ChEBI:CHEBI:131725, ChEBI:CHEBI:456216;
CC Evidence={ECO:0000256|ARBA:ARBA00024278};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:66665;
CC Evidence={ECO:0000256|ARBA:ARBA00024278};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + coproporphyrinogen III(in) + H2O = ADP +
CC coproporphyrinogen III(out) + H(+) + phosphate; Xref=Rhea:RHEA:66680,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616,
CC ChEBI:CHEBI:43474, ChEBI:CHEBI:57309, ChEBI:CHEBI:456216;
CC Evidence={ECO:0000256|ARBA:ARBA00024263};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:66681;
CC Evidence={ECO:0000256|ARBA:ARBA00024263};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738}.
CC -!- SUBCELLULAR LOCATION: Early endosome membrane
CC {ECO:0000256|ARBA:ARBA00004146}. Endosome membrane
CC {ECO:0000256|ARBA:ARBA00004608}. Endosome, multivesicular body membrane
CC {ECO:0000256|ARBA:ARBA00004333}. Golgi apparatus membrane
CC {ECO:0000256|ARBA:ARBA00004653}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004653}. Late endosome membrane
CC {ECO:0000256|ARBA:ARBA00004414}. Lysosome membrane
CC {ECO:0000256|ARBA:ARBA00004656}. Melanosome membrane
CC {ECO:0000256|ARBA:ARBA00024320}. Membrane
CC {ECO:0000256|ARBA:ARBA00004141}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004141}. Mitochondrion outer membrane
CC {ECO:0000256|ARBA:ARBA00004374}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004374}. Secreted, extracellular exosome
CC {ECO:0000256|ARBA:ARBA00004550}.
CC -!- SIMILARITY: Belongs to the ABC transporter superfamily. ABCB family.
CC Heavy Metal importer (TC 3.A.1.210) subfamily.
CC {ECO:0000256|ARBA:ARBA00024363}.
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DR AlphaFoldDB; A0A3Q3SYT0; -.
DR Ensembl; ENSMAMT00000033866.2; ENSMAMP00000033010.2; ENSMAMG00000022210.2.
DR GeneTree; ENSGT00940000156160; -.
DR Proteomes; UP000261640; Unplaced.
DR GO; GO:0031901; C:early endosome membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR GO; GO:0000139; C:Golgi membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0005765; C:lysosomal membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0033162; C:melanosome membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0005741; C:mitochondrial outer membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0032585; C:multivesicular body membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0140359; F:ABC-type transporter activity; IEA:InterPro.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0016887; F:ATP hydrolysis activity; IEA:InterPro.
DR CDD; cd18581; ABC_6TM_ABCB6; 1.
DR CDD; cd03253; ABCC_ATM1_transporter; 1.
DR Gene3D; 1.20.1560.10; ABC transporter type 1, transmembrane domain; 1.
DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 1.
DR InterPro; IPR003593; AAA+_ATPase.
DR InterPro; IPR011527; ABC1_TM_dom.
DR InterPro; IPR036640; ABC1_TM_sf.
DR InterPro; IPR003439; ABC_transporter-like_ATP-bd.
DR InterPro; IPR017871; ABC_transporter-like_CS.
DR InterPro; IPR032410; MTABC_N.
DR InterPro; IPR027417; P-loop_NTPase.
DR InterPro; IPR039421; Type_1_exporter.
DR PANTHER; PTHR24221; ATP-BINDING CASSETTE SUB-FAMILY B; 1.
DR PANTHER; PTHR24221:SF586; ATP-BINDING CASSETTE SUB-FAMILY B MEMBER 6; 1.
DR Pfam; PF00664; ABC_membrane; 1.
DR Pfam; PF00005; ABC_tran; 1.
DR Pfam; PF16185; MTABC_N; 1.
DR SMART; SM00382; AAA; 1.
DR SUPFAM; SSF90123; ABC transporter transmembrane region; 1.
DR SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
DR PROSITE; PS50929; ABC_TM1F; 1.
DR PROSITE; PS00211; ABC_TRANSPORTER_1; 1.
DR PROSITE; PS50893; ABC_TRANSPORTER_2; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840};
KW Disulfide bond {ECO:0000256|ARBA:ARBA00023157};
KW Golgi apparatus {ECO:0000256|ARBA:ARBA00023034};
KW Lysosome {ECO:0000256|ARBA:ARBA00023228};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|SAM:Phobius};
KW Mitochondrion {ECO:0000256|ARBA:ARBA00023128};
KW Mitochondrion outer membrane {ECO:0000256|ARBA:ARBA00022787};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741};
KW Reference proteome {ECO:0000313|Proteomes:UP000261640};
KW Secreted {ECO:0000256|ARBA:ARBA00022525};
KW Translocase {ECO:0000256|ARBA:ARBA00022967};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|SAM:Phobius}; Transport {ECO:0000256|ARBA:ARBA00022448}.
FT TRANSMEM 27..50
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 70..91
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 97..117
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 138..158
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 173..193
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 252..275
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 372..395
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 401..421
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 492..510
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 516..536
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 255..545
FT /note="ABC transmembrane type-1"
FT /evidence="ECO:0000259|PROSITE:PS50929"
FT DOMAIN 579..813
FT /note="ABC transporter"
FT /evidence="ECO:0000259|PROSITE:PS50893"
SQ SEQUENCE 845 AA; 96036 MW; 20F85FE5967AE1E0 CRC64;
MVFMQSYCEA NSSISHTWVD EGISPCFYFT LVPTILLTIA FFLGTIHCIF YQKYGTAMEP
KFMPRSRLYV FQQAISVLLL VQFLGGLVWQ AASGGELPGY VVLYGCFSVL AWAWAIALLT
VERRRVLVMD RTRGHSTVLL LFWAIAFSAE NLAFVSWYSP HWWWGLENNQ QQVLFALWLM
RYIGTGLLFF IGLKAPGLPR RPYMLLINED ERDVENSGQV MIHSQSTWQG FRKKVRLLVP
YMWPRHNIFL QLLVLFCLGL LGVERVINVF VPIYYKNIVN ELTDGSSWHT VATTVCIYVL
LKFLQGGGAG ASGFVSNMRS FLWIRVQQFT NRVVQVRLFA HLHSLSLRWH LGRKTGEVLR
SIDRGTSSIN SLLSYIVFSI FPTIADIVIS IIYFITYFNA WFGLIVFICM TLYLTLTIII
TEWRTKYRRD MNQQDNLAKS KAVDSLLNFE TVKYYNAENY EVSRFEDAIL KYQASEWKTQ
ASLALLNQTQ NLIIGSGLLA GSLLCAYFVT EGKFQVGDFV LFGTYIIQLY TPLNWFGTYY
RMIQNSFIDM ESMFKLFEEE EEVKDEVNAG SLLYKQGKVE FENVYFSYTN GFEILKDVSF
TVLPGQTVAL VGPSGSGKST IIRLIFRFYD VQGGCIRIDG QDISKVKQTS LRAHIGVVPQ
DTVLFNDTIR DNIRYGRISA SDLEVEEAAI AADIHDKIMA FPDGYDTQVG ERGLKLSGGE
KQRVAIARTI LKAPQIILLD EATSALDTQT ERNIQASLAK VCANRTTVVV AHRLSTIIGA
DQILVVRDGQ IAERGQHEEL LLKGGLYADM WLKQQQSQDL DSSSDTEPQH YILYSGDNDA
IDDKV
//
