ID F7EZV3_MONDO Unreviewed; 255 AA.
AC F7EZV3;
DT 27-JUL-2011, integrated into UniProtKB/TrEMBL.
DT 11-DEC-2019, sequence version 3.
DT 27-MAR-2024, entry version 50.
DE RecName: Full=Cyanocobalamin reductase / alkylcobalamin dealkylase {ECO:0000256|ARBA:ARBA00014027};
DE EC=1.16.1.6 {ECO:0000256|ARBA:ARBA00012666};
DE EC=2.5.1.151 {ECO:0000256|ARBA:ARBA00012308};
DE AltName: Full=Alkylcobalamin:glutathione S-alkyltransferase {ECO:0000256|ARBA:ARBA00032650};
DE AltName: Full=CblC {ECO:0000256|ARBA:ARBA00031815};
DE AltName: Full=Cyanocobalamin reductase (cyanide-eliminating) {ECO:0000256|ARBA:ARBA00031313};
DE AltName: Full=Methylmalonic aciduria and homocystinuria type C protein {ECO:0000256|ARBA:ARBA00031056};
GN Name=MMACHC {ECO:0000313|Ensembl:ENSMODP00000002910.3};
OS Monodelphis domestica (Gray short-tailed opossum).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Metatheria; Didelphimorphia; Didelphidae; Monodelphis.
OX NCBI_TaxID=13616 {ECO:0000313|Ensembl:ENSMODP00000002910.3, ECO:0000313|Proteomes:UP000002280};
RN [1] {ECO:0000313|Ensembl:ENSMODP00000002910.3, ECO:0000313|Proteomes:UP000002280}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=17495919; DOI=10.1038/nature05805;
RA Mikkelsen T.S., Wakefield M.J., Aken B., Amemiya C.T., Chang J.L., Duke S.,
RA Garber M., Gentles A.J., Goodstadt L., Heger A., Jurka J., Kamal M.,
RA Mauceli E., Searle S.M., Sharpe T., Baker M.L., Batzer M.A., Benos P.V.,
RA Belov K., Clamp M., Cook A., Cuff J., Das R., Davidow L., Deakin J.E.,
RA Fazzari M.J., Glass J.L., Grabherr M., Greally J.M., Gu W., Hore T.A.,
RA Huttley G.A., Kleber M., Jirtle R.L., Koina E., Lee J.T., Mahony S.,
RA Marra M.A., Miller R.D., Nicholls R.D., Oda M., Papenfuss A.T., Parra Z.E.,
RA Pollock D.D., Ray D.A., Schein J.E., Speed T.P., Thompson K.,
RA VandeBerg J.L., Wade C.M., Walker J.A., Waters P.D., Webber C.,
RA Weidman J.R., Xie X., Zody M.C., Baldwin J., Abdouelleil A., Abdulkadir J.,
RA Abebe A., Abera B., Abreu J., Acer S.C., Aftuck L., Alexander A., An P.,
RA Anderson E., Anderson S., Arachi H., Azer M., Bachantsang P., Barry A.,
RA Bayul T., Berlin A., Bessette D., Bloom T., Bloom T., Boguslavskiy L.,
RA Bonnet C., Boukhgalter B., Bourzgui I., Brown A., Cahill P., Channer S.,
RA Cheshatsang Y., Chuda L., Citroen M., Collymore A., Cooke P., Costello M.,
RA D'Aco K., Daza R., De Haan G., DeGray S., DeMaso C., Dhargay N., Dooley K.,
RA Dooley E., Doricent M., Dorje P., Dorjee K., Dupes A., Elong R., Falk J.,
RA Farina A., Faro S., Ferguson D., Fisher S., Foley C.D., Franke A.,
RA Friedrich D., Gadbois L., Gearin G., Gearin C.R., Giannoukos G., Goode T.,
RA Graham J., Grandbois E., Grewal S., Gyaltsen K., Hafez N., Hagos B.,
RA Hall J., Henson C., Hollinger A., Honan T., Huard M.D., Hughes L.,
RA Hurhula B., Husby M.E., Kamat A., Kanga B., Kashin S., Khazanovich D.,
RA Kisner P., Lance K., Lara M., Lee W., Lennon N., Letendre F., LeVine R.,
RA Lipovsky A., Liu X., Liu J., Liu S., Lokyitsang T., Lokyitsang Y.,
RA Lubonja R., Lui A., MacDonald P., Magnisalis V., Maru K., Matthews C.,
RA McCusker W., McDonough S., Mehta T., Meldrim J., Meneus L., Mihai O.,
RA Mihalev A., Mihova T., Mittelman R., Mlenga V., Montmayeur A., Mulrain L.,
RA Navidi A., Naylor J., Negash T., Nguyen T., Nguyen N., Nicol R., Norbu C.,
RA Norbu N., Novod N., O'Neill B., Osman S., Markiewicz E., Oyono O.L.,
RA Patti C., Phunkhang P., Pierre F., Priest M., Raghuraman S., Rege F.,
RA Reyes R., Rise C., Rogov P., Ross K., Ryan E., Settipalli S., Shea T.,
RA Sherpa N., Shi L., Shih D., Sparrow T., Spaulding J., Stalker J.,
RA Stange-Thomann N., Stavropoulos S., Stone C., Strader C., Tesfaye S.,
RA Thomson T., Thoulutsang Y., Thoulutsang D., Topham K., Topping I.,
RA Tsamla T., Vassiliev H., Vo A., Wangchuk T., Wangdi T., Weiand M.,
RA Wilkinson J., Wilson A., Yadav S., Young G., Yu Q., Zembek L., Zhong D.,
RA Zimmer A., Zwirko Z., Jaffe D.B., Alvarez P., Brockman W., Butler J.,
RA Chin C., Gnerre S., MacCallum I., Graves J.A., Ponting C.P., Breen M.,
RA Samollow P.B., Lander E.S., Lindblad-Toh K.;
RT "Genome of the marsupial Monodelphis domestica reveals innovation in non-
RT coding sequences.";
RL Nature 447:167-177(2007).
RN [2] {ECO:0000313|Ensembl:ENSMODP00000002910.3}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (NOV-2023) to UniProtKB.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 cob(II)alamin-[cyanocobalamin reductase] + 2 hydrogen
CC cyanide + NADP(+) = 2 apo-[cyanocobalamin reductase] + 2
CC cyanocob(III)alamin + H(+) + NADPH; Xref=Rhea:RHEA:16113, Rhea:RHEA-
CC COMP:14717, Rhea:RHEA-COMP:14718, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:16304, ChEBI:CHEBI:17439, ChEBI:CHEBI:18407,
CC ChEBI:CHEBI:57783, ChEBI:CHEBI:58349, ChEBI:CHEBI:83228; EC=1.16.1.6;
CC Evidence={ECO:0000256|ARBA:ARBA00029314};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:16115;
CC Evidence={ECO:0000256|ARBA:ARBA00029314};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=adenosylcob(III)alamin + apo-[alkylcobalamin reductase] +
CC glutathione = cob(I)alamin-[alkylcobalamin reductase] + H(+) + S-
CC adenosylglutathione; Xref=Rhea:RHEA:63136, Rhea:RHEA-COMP:14730,
CC Rhea:RHEA-COMP:14731, ChEBI:CHEBI:15378, ChEBI:CHEBI:18408,
CC ChEBI:CHEBI:57925, ChEBI:CHEBI:60488, ChEBI:CHEBI:83228,
CC ChEBI:CHEBI:146184; EC=2.5.1.151;
CC Evidence={ECO:0000256|ARBA:ARBA00029328};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:63137;
CC Evidence={ECO:0000256|ARBA:ARBA00029328};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=an R-cob(III)alamin + apo-[alkylcobalamin reductase] +
CC glutathione = an S-substituted glutathione + cob(I)alamin-
CC [alkylcobalamin reductase] + H(+); Xref=Rhea:RHEA:40719, Rhea:RHEA-
CC COMP:14730, Rhea:RHEA-COMP:14731, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:57925, ChEBI:CHEBI:60488, ChEBI:CHEBI:83228,
CC ChEBI:CHEBI:90779, ChEBI:CHEBI:140785; EC=2.5.1.151;
CC Evidence={ECO:0000256|ARBA:ARBA00029309};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:40720;
CC Evidence={ECO:0000256|ARBA:ARBA00029309};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=apo-[alkylcobalamin reductase] + glutathione +
CC methylcob(III)alamin = cob(I)alamin-[alkylcobalamin reductase] + H(+)
CC + S-methyl glutathione; Xref=Rhea:RHEA:63132, Rhea:RHEA-COMP:14730,
CC Rhea:RHEA-COMP:14731, ChEBI:CHEBI:15378, ChEBI:CHEBI:28115,
CC ChEBI:CHEBI:57925, ChEBI:CHEBI:60488, ChEBI:CHEBI:83228,
CC ChEBI:CHEBI:141467; EC=2.5.1.151;
CC Evidence={ECO:0000256|ARBA:ARBA00029317};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:63133;
CC Evidence={ECO:0000256|ARBA:ARBA00029317};
CC -!- COFACTOR:
CC Name=FAD; Xref=ChEBI:CHEBI:57692;
CC Evidence={ECO:0000256|ARBA:ARBA00001974};
CC -!- COFACTOR:
CC Name=FMN; Xref=ChEBI:CHEBI:58210;
CC Evidence={ECO:0000256|ARBA:ARBA00001917};
CC -!- SIMILARITY: Belongs to the MMACHC family.
CC {ECO:0000256|ARBA:ARBA00007762}.
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DR AlphaFoldDB; F7EZV3; -.
DR Ensembl; ENSMODT00000002968.3; ENSMODP00000002910.3; ENSMODG00000002391.3.
DR eggNOG; KOG4552; Eukaryota.
DR GeneTree; ENSGT00390000003464; -.
DR HOGENOM; CLU_1510111_0_0_1; -.
DR TreeFam; TF332476; -.
DR Proteomes; UP000002280; Chromosome 2.
DR Bgee; ENSMODG00000002391; Expressed in lung and 19 other cell types or tissues.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-KW.
DR GO; GO:0031419; F:cobalamin binding; IEA:UniProtKB-KW.
DR GO; GO:0033787; F:cyanocobalamin reductase (cyanide-eliminating) activity; IEA:UniProtKB-EC.
DR CDD; cd12959; MMACHC-like; 1.
DR InterPro; IPR032037; MMACHC.
DR PANTHER; PTHR31457:SF2; CYANOCOBALAMIN REDUCTASE _ ALKYLCOBALAMIN DEALKYLASE; 1.
DR PANTHER; PTHR31457; METHYLMALONIC ACIDURIA AND HOMOCYSTINURIA TYPE C PROTEIN; 1.
DR Pfam; PF16690; MMACHC; 1.
PE 3: Inferred from homology;
KW Cobalamin {ECO:0000256|ARBA:ARBA00022628};
KW Cobalt {ECO:0000256|ARBA:ARBA00022628};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490};
KW NADP {ECO:0000256|ARBA:ARBA00022857};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002};
KW Reference proteome {ECO:0000313|Proteomes:UP000002280}.
SQ SEQUENCE 255 AA; 28693 MW; 377BB85C65B9F3FD CRC64;
MGKSLTWWIS GEPTLPVSVQ VGWYNALLPP AFQLPLPGPT LAFVVLSTPA MFDRALKPFL
QSAHLQPLKD PVDQCVAYHF TQLQKNLPEQ KIDFITDYDM HPNRRPKLLA QTAAHVAGAA
YYYRRQDVGS DPWGNKKIAG VCIHPRYGGW FAIRGVVLLP GVEVPDLPPL APPDCVPTQE
GRIALLESFN FHWKDWTYRD VVVPVERYSE EQKTYFSTPP AQRLHLQVQP KETVDPNWGG
HLVAPRIFAP VPQGT
//
