ID MA2C1_HUMAN Reviewed; 1040 AA. AC Q9NTJ4; H3BMX2; H3BQY8; H3BUT6; Q13358; Q68EM8; Q9UL64; DT 27-JAN-2003, integrated into UniProtKB/Swiss-Prot. DT 01-OCT-2000, sequence version 1. DT 27-MAR-2024, entry version 187. DE RecName: Full=Alpha-mannosidase 2C1; DE EC=3.2.1.24 {ECO:0000269|PubMed:16848760}; DE AltName: Full=Alpha mannosidase 6A8B; DE AltName: Full=Alpha-D-mannoside mannohydrolase; DE AltName: Full=Mannosidase alpha class 2C member 1; GN Name=MAN2C1; Synonyms=MANA, MANA1; 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). RA Li B., Ma F.-R., Shi G.-X., Zhao F.-T., Li J., Li L., Wang Y., Cai Y.-Y., RA Zhu L.-P.; RT "Cloning of a human full-length cDNA encoding an alpha-mannosidase."; RL Ji Chu Yi Xue Yu Lin Chuang 19:409-415(1999). RN [2] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1). RC TISSUE=Testis; RX PubMed=11230166; DOI=10.1101/gr.gr1547r; RA Wiemann S., Weil B., Wellenreuther R., Gassenhuber J., Glassl S., RA Ansorge W., Boecher M., Bloecker H., Bauersachs S., Blum H., Lauber J., RA Duesterhoeft A., Beyer A., Koehrer K., Strack N., Mewes H.-W., RA Ottenwaelder B., Obermaier B., Tampe J., Heubner D., Wambutt R., Korn B., RA Klein M., Poustka A.; RT "Towards a catalog of human genes and proteins: sequencing and analysis of RT 500 novel complete protein coding human cDNAs."; RL Genome Res. 11:422-435(2001). RN [3] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 3), AND VARIANT ILE-960. RC TISSUE=Cerebellum; RA Suzuki Y., Sugano S., Totoki Y., Toyoda A., Takeda T., Sakaki Y., RA Tanaka A., Yokoyama S.; RL Submitted (JUL-2006) to the EMBL/GenBank/DDBJ databases. RN [4] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RX PubMed=16572171; DOI=10.1038/nature04601; RA Zody M.C., Garber M., Sharpe T., Young S.K., Rowen L., O'Neill K., RA Whittaker C.A., Kamal M., Chang J.L., Cuomo C.A., Dewar K., RA FitzGerald M.G., Kodira C.D., Madan A., Qin S., Yang X., Abbasi N., RA Abouelleil A., Arachchi H.M., Baradarani L., Birditt B., Bloom S., RA Bloom T., Borowsky M.L., Burke J., Butler J., Cook A., DeArellano K., RA DeCaprio D., Dorris L. III, Dors M., Eichler E.E., Engels R., Fahey J., RA Fleetwood P., Friedman C., Gearin G., Hall J.L., Hensley G., Johnson E., RA Jones C., Kamat A., Kaur A., Locke D.P., Madan A., Munson G., Jaffe D.B., RA Lui A., Macdonald P., Mauceli E., Naylor J.W., Nesbitt R., Nicol R., RA O'Leary S.B., Ratcliffe A., Rounsley S., She X., Sneddon K.M.B., RA Stewart S., Sougnez C., Stone S.M., Topham K., Vincent D., Wang S., RA Zimmer A.R., Birren B.W., Hood L., Lander E.S., Nusbaum C.; RT "Analysis of the DNA sequence and duplication history of human chromosome RT 15."; RL Nature 440:671-675(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), AND VARIANT RP CYS-323. RC TISSUE=Skin, and Uterus; 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 [MRNA] OF 630-1040 (ISOFORM 1). RC TISSUE=Tonsil; RA Zhang L.-X., Zhu L.-P., Shi W., Ma F.-R.; RT "Cloning of a human cDNA homologous to the cDNA encoding a rat ER alpha- RT mannosidase."; RL Zhonghua Wei Sheng Wu Xue He Mian Yi Xue Za Zhi 17:34-39(1997). RN [8] RP FUNCTION, CATALYTIC ACTIVITY, COFACTOR, ACTIVITY REGULATION, AND RP SUBCELLULAR LOCATION. RX PubMed=16848760; DOI=10.1042/bj20060945; RA Suzuki T., Hara I., Nakano M., Shigeta M., Nakagawa T., Kondo A., RA Funakoshi Y., Taniguchi N.; RT "Man2C1, an alpha-mannosidase, is involved in the trimming of free RT oligosaccharides in the cytosol."; RL Biochem. J. 400:33-41(2006). 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 VARIANTS CDDG2 ARG-203; GLN-768 AND SER-871, INVOLVEMENT IN CDDG2, RP CHARACTERIZATION OF VARIANTS CDDG2 ARG-203; GLN-768 AND SER-871, AND RP FUNCTION. RX PubMed=35045343; DOI=10.1016/j.ajhg.2021.12.010; RA Maia N., Potelle S., Yildirim H., Duvet S., Akula S.K., Schulz C., RA Wiame E., Gheldof A., O'Kane K., Lai A., Sermon K., Proisy M., Loget P., RA Attie-Bitach T., Quelin C., Fortuna A.M., Soares A.R., de Brouwer A.P.M., RA Van Schaftingen E., Nassogne M.C., Walsh C.A., Stouffs K., Jorge P., RA Jansen A.C., Foulquier F.; RT "Impaired catabolism of free oligosaccharides due to MAN2C1 variants causes RT a neurodevelopmental disorder."; RL Am. J. Hum. Genet. 109:345-360(2022). CC -!- FUNCTION: Cleaves alpha 1,2-, alpha 1,3-, and alpha 1,6-linked mannose CC residues on cytoplasmatic free oligosaccharides generated by N- CC glycoprotein degradation pathways. {ECO:0000269|PubMed:16848760}. CC -!- CATALYTIC ACTIVITY: CC Reaction=Hydrolysis of terminal, non-reducing alpha-D-mannose residues CC in alpha-D-mannosides.; EC=3.2.1.24; CC Evidence={ECO:0000269|PubMed:16848760}; CC -!- COFACTOR: CC Name=Co(2+); Xref=ChEBI:CHEBI:48828; CC Evidence={ECO:0000269|PubMed:16848760}; CC -!- ACTIVITY REGULATION: Strongly inhibited by swainsonine. Also inhibited CC to a lesser extent by deoxymannojirimycin (DMM). CC {ECO:0000269|PubMed:16848760}. CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000269|PubMed:16848760}. CC -!- ALTERNATIVE PRODUCTS: CC Event=Alternative splicing; Named isoforms=4; CC Name=1; CC IsoId=Q9NTJ4-1; Sequence=Displayed; CC Name=2; CC IsoId=Q9NTJ4-2; Sequence=VSP_046375; CC Name=3; CC IsoId=Q9NTJ4-3; Sequence=VSP_046395; CC Name=4; CC IsoId=Q9NTJ4-4; Sequence=VSP_046895; CC -!- DISEASE: Congenital disorder of deglycosylation 2 (CDDG2) [MIM:619775]: CC An autosomal recessive disorder characterized by facial dysmorphism, CC congenital anomalies such as tongue hamartoma, variable degrees of CC intellectual disability, and brain anomalies including polymicrogyria, CC interhemispheric cysts, hypothalamic hamartoma, callosal anomalies, and CC hypoplasia of brainstem and cerebellar vermis. CC {ECO:0000269|PubMed:35045343}. Note=The disease may be caused by CC variants affecting the gene represented in this entry. CC -!- SIMILARITY: Belongs to the glycosyl hydrolase 38 family. {ECO:0000305}. CC -!- SEQUENCE CAUTION: CC Sequence=AAC00190.2; Type=Frameshift; Evidence={ECO:0000305}; CC Sequence=AAC00568.1; Type=Frameshift; Evidence={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; AF044414; AAC00190.2; ALT_FRAME; mRNA. DR EMBL; AL136876; CAB66810.1; -; mRNA. DR EMBL; AK225145; -; NOT_ANNOTATED_CDS; mRNA. DR EMBL; AC068338; -; NOT_ANNOTATED_CDS; Genomic_DNA. DR EMBL; CH471136; EAW99253.1; -; Genomic_DNA. DR EMBL; BC050550; AAH50550.1; -; mRNA. DR EMBL; BC080191; AAH80191.1; -; mRNA. DR EMBL; U37248; AAC00568.1; ALT_SEQ; mRNA. DR CCDS; CCDS32298.1; -. [Q9NTJ4-1] DR CCDS; CCDS58389.1; -. [Q9NTJ4-3] DR CCDS; CCDS58390.1; -. [Q9NTJ4-2] DR CCDS; CCDS58391.1; -. [Q9NTJ4-4] DR PIR; T46931; T46931. DR RefSeq; NP_001243423.1; NM_001256494.1. [Q9NTJ4-4] DR RefSeq; NP_001243424.1; NM_001256495.1. [Q9NTJ4-2] DR RefSeq; NP_001243425.1; NM_001256496.1. [Q9NTJ4-3] DR RefSeq; NP_006706.2; NM_006715.3. [Q9NTJ4-1] DR AlphaFoldDB; Q9NTJ4; -. DR SMR; Q9NTJ4; -. DR BioGRID; 110296; 38. DR IntAct; Q9NTJ4; 13. DR MINT; Q9NTJ4; -. DR STRING; 9606.ENSP00000457788; -. DR CAZy; GH38; Glycoside Hydrolase Family 38. DR GlyGen; Q9NTJ4; 1 site, 1 O-linked glycan (1 site). DR iPTMnet; Q9NTJ4; -. DR PhosphoSitePlus; Q9NTJ4; -. DR BioMuta; MAN2C1; -. DR DMDM; 27923805; -. DR EPD; Q9NTJ4; -. DR jPOST; Q9NTJ4; -. DR MassIVE; Q9NTJ4; -. DR MaxQB; Q9NTJ4; -. DR PaxDb; 9606-ENSP00000457788; -. DR PeptideAtlas; Q9NTJ4; -. DR ProteomicsDB; 41029; -. DR ProteomicsDB; 41922; -. DR ProteomicsDB; 43020; -. DR ProteomicsDB; 82619; -. [Q9NTJ4-1] DR Pumba; Q9NTJ4; -. DR Antibodypedia; 27278; 126 antibodies from 20 providers. DR DNASU; 4123; -. DR Ensembl; ENST00000267978.10; ENSP00000267978.4; ENSG00000140400.18. [Q9NTJ4-1] DR Ensembl; ENST00000563622.5; ENSP00000454589.1; ENSG00000140400.18. [Q9NTJ4-3] DR Ensembl; ENST00000565683.5; ENSP00000457788.1; ENSG00000140400.18. [Q9NTJ4-4] DR Ensembl; ENST00000569482.5; ENSP00000455998.1; ENSG00000140400.18. [Q9NTJ4-2] DR GeneID; 4123; -. DR KEGG; hsa:4123; -. DR MANE-Select; ENST00000267978.10; ENSP00000267978.4; NM_006715.4; NP_006706.2. DR UCSC; uc002baf.5; human. [Q9NTJ4-1] DR AGR; HGNC:6827; -. DR CTD; 4123; -. DR DisGeNET; 4123; -. DR GeneCards; MAN2C1; -. DR HGNC; HGNC:6827; MAN2C1. DR HPA; ENSG00000140400; Low tissue specificity. DR MalaCards; MAN2C1; -. DR MIM; 154580; gene. DR MIM; 619775; phenotype. DR neXtProt; NX_Q9NTJ4; -. DR OpenTargets; ENSG00000140400; -. DR Orphanet; 528084; Non-specific syndromic intellectual disability. DR PharmGKB; PA30576; -. DR VEuPathDB; HostDB:ENSG00000140400; -. DR eggNOG; KOG4342; Eukaryota. DR GeneTree; ENSGT01030000234638; -. DR HOGENOM; CLU_003442_0_1_1; -. DR InParanoid; Q9NTJ4; -. DR OMA; GQYWDAW; -. DR OrthoDB; 2786490at2759; -. DR PhylomeDB; Q9NTJ4; -. DR TreeFam; TF300335; -. DR BRENDA; 3.2.1.24; 2681. DR PathwayCommons; Q9NTJ4; -. DR Reactome; R-HSA-8853383; Lysosomal oligosaccharide catabolism. DR SignaLink; Q9NTJ4; -. DR BioGRID-ORCS; 4123; 15 hits in 1160 CRISPR screens. DR ChiTaRS; MAN2C1; human. DR GenomeRNAi; 4123; -. DR Pharos; Q9NTJ4; Tbio. DR PRO; PR:Q9NTJ4; -. DR Proteomes; UP000005640; Chromosome 15. DR RNAct; Q9NTJ4; Protein. DR Bgee; ENSG00000140400; Expressed in right lobe of thyroid gland and 149 other cell types or tissues. DR ExpressionAtlas; Q9NTJ4; baseline and differential. DR GO; GO:0005829; C:cytosol; TAS:Reactome. DR GO; GO:0005654; C:nucleoplasm; IDA:HPA. DR GO; GO:0004559; F:alpha-mannosidase activity; IBA:GO_Central. DR GO; GO:0030246; F:carbohydrate binding; IEA:InterPro. DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW. DR GO; GO:0006013; P:mannose metabolic process; IEA:InterPro. DR GO; GO:0009313; P:oligosaccharide catabolic process; IBA:GO_Central. DR CDD; cd10813; GH38N_AMII_Man2C1; 1. DR Gene3D; 2.60.40.2220; -; 1. DR Gene3D; 3.20.110.10; Glycoside hydrolase 38, N terminal domain; 1. DR Gene3D; 1.20.1270.50; Glycoside hydrolase family 38, central domain; 1. DR InterPro; IPR011013; Gal_mutarotase_sf_dom. DR InterPro; IPR041147; GH38_C. DR InterPro; IPR011330; Glyco_hydro/deAcase_b/a-brl. DR InterPro; IPR011682; Glyco_hydro_38_C. DR InterPro; IPR015341; Glyco_hydro_38_cen. DR InterPro; IPR037094; Glyco_hydro_38_cen_sf. DR InterPro; IPR000602; Glyco_hydro_38_N. DR InterPro; IPR027291; Glyco_hydro_38_N_sf. DR InterPro; IPR028995; Glyco_hydro_57/38_cen_sf. DR PANTHER; PTHR46017; ALPHA-MANNOSIDASE 2C1; 1. DR PANTHER; PTHR46017:SF1; ALPHA-MANNOSIDASE 2C1; 1. DR Pfam; PF09261; Alpha-mann_mid; 1. DR Pfam; PF17677; Glyco_hydro38C2; 1. DR Pfam; PF07748; Glyco_hydro_38C; 1. DR Pfam; PF01074; Glyco_hydro_38N; 1. DR SMART; SM00872; Alpha-mann_mid; 1. DR SUPFAM; SSF88688; Families 57/38 glycoside transferase middle domain; 1. DR SUPFAM; SSF74650; Galactose mutarotase-like; 1. DR SUPFAM; SSF88713; Glycoside hydrolase/deacetylase; 1. DR Genevisible; Q9NTJ4; HS. PE 1: Evidence at protein level; KW Alternative splicing; Cobalt; Cytoplasm; Glycosidase; Hydrolase; KW Metal-binding; Reference proteome. FT CHAIN 1..1040 FT /note="Alpha-mannosidase 2C1" FT /id="PRO_0000206907" FT ACT_SITE 372 FT /note="Nucleophile" FT /evidence="ECO:0000250|UniProtKB:Q29451" FT BINDING 260 FT /ligand="Co(2+)" FT /ligand_id="ChEBI:CHEBI:48828" FT /evidence="ECO:0000305" FT BINDING 262 FT /ligand="Co(2+)" FT /ligand_id="ChEBI:CHEBI:48828" FT /evidence="ECO:0000305" FT BINDING 372 FT /ligand="Co(2+)" FT /ligand_id="ChEBI:CHEBI:48828" FT /evidence="ECO:0000305" FT BINDING 577 FT /ligand="Co(2+)" FT /ligand_id="ChEBI:CHEBI:48828" FT /evidence="ECO:0000305" FT VAR_SEQ 201..299 FT /note="Missing (in isoform 3)" FT /evidence="ECO:0000303|Ref.3" FT /id="VSP_046395" FT VAR_SEQ 650..682 FT /note="ALVTVPSMGYAPVPPPTSLQPLLPQQPVFVVQE -> GLTPSPGDSAQHGLC FT SCSSPHLTAAPAAPAACVRSARAPTDSASRPPPTK (in isoform 4)" FT /evidence="ECO:0000305" FT /id="VSP_046895" FT VAR_SEQ 913..935 FT /note="Missing (in isoform 2)" FT /evidence="ECO:0000303|PubMed:15489334" FT /id="VSP_046375" FT VARIANT 203 FT /note="G -> R (in CDDG2; uncertain significance; results in FT defective processing of free oligosaccharides as shown by FT complementation assay in MAN2C1-deficient cells; FT dbSNP:rs190692217)" FT /evidence="ECO:0000269|PubMed:35045343" FT /id="VAR_087012" FT VARIANT 323 FT /note="R -> C (in dbSNP:rs200595616)" FT /evidence="ECO:0000269|PubMed:15489334" FT /id="VAR_069180" FT VARIANT 768 FT /note="R -> Q (in CDDG2; uncertain significance; severely FT decreased mannosidase activity; results in defective FT processing of free oligosaccharides as shown by FT complementation assay in MAN2C1-deficient cells; FT dbSNP:rs62029711)" FT /evidence="ECO:0000269|PubMed:35045343" FT /id="VAR_087013" FT VARIANT 818 FT /note="R -> H (in dbSNP:rs58557444)" FT /id="VAR_061192" FT VARIANT 871 FT /note="C -> S (in CDDG2; uncertain significance; has no FT effect on processing of free oligosaccharides as shown by FT complementation assay in MAN2C1-deficient cells; FT dbSNP:rs143755898)" FT /evidence="ECO:0000269|PubMed:35045343" FT /id="VAR_087014" FT VARIANT 950 FT /note="V -> M (in dbSNP:rs3803467)" FT /id="VAR_049211" FT VARIANT 960 FT /note="V -> I (in dbSNP:rs3803466)" FT /evidence="ECO:0000269|Ref.3" FT /id="VAR_021914" FT VARIANT 975 FT /note="R -> K (in dbSNP:rs5745934)" FT /id="VAR_049212" FT CONFLICT 6 FT /note="A -> F (in Ref. 1; AAC00190)" FT /evidence="ECO:0000305" FT CONFLICT 14 FT /note="L -> F (in Ref. 1; AAC00190)" FT /evidence="ECO:0000305" FT CONFLICT 24 FT /note="L -> I (in Ref. 1; AAC00190)" FT /evidence="ECO:0000305" FT CONFLICT 170 FT /note="M -> I (in Ref. 1; AAC00190)" FT /evidence="ECO:0000305" SQ SEQUENCE 1040 AA; 115835 MW; 2B40AE6E03AC1E3C CRC64; MAAAPALKHW RTTLERVEKF VSPLYFTDCN LRGRLFGASC PVAVLSSFLT PERLPYQEAV QRDFRPAQVG DSFGPTWWTC WFRVELTIPE AWVGQEVHLC WESDGEGLVW RDGEPVQGLT KEGEKTSYVL TDRLGERDPR SLTLYVEVAC NGLLGAGKGS MIAAPDPEKM FQLSRAELAV FHRDVHMLLV DLELLLGIAK GLGKDNQRSF QALYTANQMV NVCDPAQPET FPVAQALASR FFGQHGGESQ HTIHATGHCH IDTAWLWPFK ETVRKCARSW VTALQLMERN PEFIFACSQA QQLEWVKSRY PGLYSRIQEF ACRGQFVPVG GTWVEMDGNL PSGEAMVRQF LQGQNFFLQE FGKMCSEFWL PDTFGYSAQL PQIMHGCGIR RFLTQKLSWN LVNSFPHHTF FWEGLDGSRV LVHFPPGDSY GMQGSVEEVL KTVANNRDKG RANHSAFLFG FGDGGGGPTQ TMLDRLKRLS NTDGLPRVQL SSPRQLFSAL ESDSEQLCTW VGELFLELHN GTYTTHAQIK KGNRECERIL HDVELLSSLA LARSAQFLYP AAQLQHLWRL LLLNQFHDVV TGSCIQMVAE EAMCHYEDIR SHGNTLLSAA AAALCAGEPG PEGLLIVNTL PWKRIEVMAL PKPGGAHSLA LVTVPSMGYA PVPPPTSLQP LLPQQPVFVV QETDGSVTLD NGIIRVKLDP TGRLTSLVLV ASGREAIAEG AVGNQFVLFD DVPLYWDAWD VMDYHLETRK PVLGQAGTLA VGTEGGLRGS AWFLLQISPN SRLSQEVVLD VGCPYVRFHT EVHWHEAHKF LKVEFPARVR SSQATYEIQF GHLQRPTHYN TSWDWARFEV WAHRWMDLSE HGFGLALLND CKYGASVRGS ILSLSLLRAP KAPDATADTG RHEFTYALMP HKGSFQDAGV IQAAYSLNFP LLALPAPSPA PATSWSAFSV SSPAVVLETV KQAESSPQRR SLVLRLYEAH GSHVDCWLHL SLPVQEAILC DLLERPDPAG HLTLRDNRLK LTFSPFQVLS LLLVLQPPPH //