ID UN13A_HUMAN Reviewed; 1703 AA. AC Q9UPW8; E5RHY9; DT 16-AUG-2004, integrated into UniProtKB/Swiss-Prot. DT 25-JAN-2012, sequence version 4. DT 27-MAR-2024, entry version 185. DE RecName: Full=Protein unc-13 homolog A {ECO:0000305}; DE AltName: Full=Munc13-1; GN Name=UNC13A {ECO:0000312|HGNC:HGNC:23150}; Synonyms=KIAA1032; 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 [LARGE SCALE GENOMIC DNA]. RX PubMed=15057824; DOI=10.1038/nature02399; RA Grimwood J., Gordon L.A., Olsen A.S., Terry A., Schmutz J., Lamerdin J.E., RA Hellsten U., Goodstein D., Couronne O., Tran-Gyamfi M., Aerts A., RA Altherr M., Ashworth L., Bajorek E., Black S., Branscomb E., Caenepeel S., RA Carrano A.V., Caoile C., Chan Y.M., Christensen M., Cleland C.A., RA Copeland A., Dalin E., Dehal P., Denys M., Detter J.C., Escobar J., RA Flowers D., Fotopulos D., Garcia C., Georgescu A.M., Glavina T., Gomez M., RA Gonzales E., Groza M., Hammon N., Hawkins T., Haydu L., Ho I., Huang W., RA Israni S., Jett J., Kadner K., Kimball H., Kobayashi A., Larionov V., RA Leem S.-H., Lopez F., Lou Y., Lowry S., Malfatti S., Martinez D., RA McCready P.M., Medina C., Morgan J., Nelson K., Nolan M., Ovcharenko I., RA Pitluck S., Pollard M., Popkie A.P., Predki P., Quan G., Ramirez L., RA Rash S., Retterer J., Rodriguez A., Rogers S., Salamov A., Salazar A., RA She X., Smith D., Slezak T., Solovyev V., Thayer N., Tice H., Tsai M., RA Ustaszewska A., Vo N., Wagner M., Wheeler J., Wu K., Xie G., Yang J., RA Dubchak I., Furey T.S., DeJong P., Dickson M., Gordon D., Eichler E.E., RA Pennacchio L.A., Richardson P., Stubbs L., Rokhsar D.S., Myers R.M., RA Rubin E.M., Lucas S.M.; RT "The DNA sequence and biology of human chromosome 19."; RL Nature 428:529-535(2004). RN [2] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 2-1703. RC TISSUE=Brain; RX PubMed=10470851; DOI=10.1093/dnares/6.3.197; RA Kikuno R., Nagase T., Ishikawa K., Hirosawa M., Miyajima N., Tanaka A., RA Kotani H., Nomura N., Ohara O.; RT "Prediction of the coding sequences of unidentified human genes. XIV. The RT complete sequences of 100 new cDNA clones from brain which code for large RT proteins in vitro."; RL DNA Res. 6:197-205(1999). RN [3] RP SEQUENCE REVISION. RA Ohara O., Nagase T., Kikuno R.; RL Submitted (JAN-2005) to the EMBL/GenBank/DDBJ databases. RN [4] RP TISSUE SPECIFICITY. RX PubMed=12871971; DOI=10.1074/jbc.m303203200; RA Sheu L., Pasyk E.A., Ji J., Huang X., Gao X., Varoqueaux F., Brose N., RA Gaisano H.Y.; RT "Regulation of insulin exocytosis by Munc13-1."; RL J. Biol. Chem. 278:27556-27563(2003). RN [5] RP FUNCTION, AND TISSUE SPECIFICITY. RX PubMed=23999003; DOI=10.1016/j.jdermsci.2013.07.010; RA Yoo J.C., Lim T.Y., Park J.S., Hah Y.S., Park N., Hong S.G., Park J.Y., RA Yoon T.J.; RT "SYT14L, especially its C2 domain, is involved in regulating melanocyte RT differentiation."; RL J. Dermatol. Sci. 72:246-251(2013). CC -!- FUNCTION: Plays a role in vesicle maturation during exocytosis as a CC target of the diacylglycerol second messenger pathway. Involved in CC neurotransmitter release by acting in synaptic vesicle priming prior to CC vesicle fusion and participates in the activity-dependent refilling of CC readily releasable vesicle pool (RRP). Essential for synaptic vesicle CC maturation in most excitatory/glutamatergic but not inhibitory/GABA- CC mediated synapses. Facilitates neuronal dense core vesicles fusion as CC well as controls the location and efficiency of their synaptic release CC (By similarity). Also involved in secretory granule priming in insulin CC secretion. Plays a role in dendrite formation by melanocytes CC (PubMed:23999003). {ECO:0000250|UniProtKB:Q4KUS2, CC ECO:0000250|UniProtKB:Q62768, ECO:0000269|PubMed:23999003}. CC -!- COFACTOR: CC Name=Ca(2+); Xref=ChEBI:CHEBI:29108; Evidence={ECO:0000255|PROSITE- CC ProRule:PRU00041}; CC -!- SUBUNIT: Interacts with the N-termini of STX1A and/or STX1B1 and DOC2A. CC Interacts with BSN. Interacts with RIMS1 which recruits UNC13A to the CC active zone. Forms homodimers via its first C2 domain. Also interacts CC via this domain with the zinc finger domain of RIMS2. Part of a complex CC consisting of ERC2, RIMS1 and UNC13A. Also part of a complex consisting CC of UNC13A, RIMS2 and RAB3A (By similarity). Interacts with FBXO45 (via CC SRY domain); leading to the degradation of UNC13A by the proteasome (By CC similarity). {ECO:0000250|UniProtKB:Q4KUS2, CC ECO:0000250|UniProtKB:Q62768}. CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250|UniProtKB:Q62768}. Cell CC membrane {ECO:0000250|UniProtKB:Q62768}; Peripheral membrane protein CC {ECO:0000250|UniProtKB:Q62768}. Presynaptic cell membrane CC {ECO:0000250|UniProtKB:Q62768}; Peripheral membrane protein CC {ECO:0000250|UniProtKB:Q62768}. Presynaptic active zone CC {ECO:0000250|UniProtKB:Q62768}. Note=Translocated to the plasma CC membrane in response to phorbol ester binding. CC {ECO:0000250|UniProtKB:Q62768}. CC -!- TISSUE SPECIFICITY: Expressed in pancreatic islet cells CC (PubMed:12871971). Expressed in melanocytes (PubMed:23999003). CC {ECO:0000269|PubMed:12871971, ECO:0000269|PubMed:23999003}. CC -!- DOMAIN: The C2 domains are not involved in calcium-dependent CC phospholipid binding. {ECO:0000250}. CC -!- DOMAIN: The C-terminal region containing both MHD domains and the third CC C2 domain is required for synaptic vesicle priming activity. CC {ECO:0000250}. CC -!- SIMILARITY: Belongs to the unc-13 family. {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; AC008761; -; NOT_ANNOTATED_CDS; Genomic_DNA. DR EMBL; AB028955; BAA82984.2; -; mRNA. DR CCDS; CCDS46013.2; -. DR RefSeq; NP_001073890.2; NM_001080421.2. DR AlphaFoldDB; Q9UPW8; -. DR BMRB; Q9UPW8; -. DR SMR; Q9UPW8; -. DR BioGRID; 116665; 10. DR IntAct; Q9UPW8; 3. DR STRING; 9606.ENSP00000429562; -. DR GlyGen; Q9UPW8; 1 site, 1 O-linked glycan (1 site). DR iPTMnet; Q9UPW8; -. DR PhosphoSitePlus; Q9UPW8; -. DR BioMuta; UNC13A; -. DR DMDM; 374095515; -. DR EPD; Q9UPW8; -. DR jPOST; Q9UPW8; -. DR MassIVE; Q9UPW8; -. DR MaxQB; Q9UPW8; -. DR PaxDb; 9606-ENSP00000429562; -. DR PeptideAtlas; Q9UPW8; -. DR ProteomicsDB; 85464; -. DR Antibodypedia; 43803; 41 antibodies from 19 providers. DR DNASU; 23025; -. DR Ensembl; ENST00000519716.7; ENSP00000429562.2; ENSG00000130477.16. DR GeneID; 23025; -. DR KEGG; hsa:23025; -. DR MANE-Select; ENST00000519716.7; ENSP00000429562.2; NM_001080421.3; NP_001073890.2. DR UCSC; uc060vkq.1; human. DR AGR; HGNC:23150; -. DR DisGeNET; 23025; -. DR GeneCards; UNC13A; -. DR HGNC; HGNC:23150; UNC13A. DR HPA; ENSG00000130477; Group enriched (brain, pituitary gland, retina). DR MalaCards; UNC13A; -. DR MIM; 609894; gene. DR neXtProt; NX_Q9UPW8; -. DR OpenTargets; ENSG00000130477; -. DR Orphanet; 803; Amyotrophic lateral sclerosis. DR PharmGKB; PA134879020; -. DR VEuPathDB; HostDB:ENSG00000130477; -. DR eggNOG; KOG1011; Eukaryota. DR GeneTree; ENSGT00940000161905; -. DR InParanoid; Q9UPW8; -. DR OrthoDB; 5395569at2759; -. DR TreeFam; TF312844; -. DR PathwayCommons; Q9UPW8; -. DR SignaLink; Q9UPW8; -. DR SIGNOR; Q9UPW8; -. DR BioGRID-ORCS; 23025; 13 hits in 1145 CRISPR screens. DR ChiTaRS; UNC13A; human. DR GenomeRNAi; 23025; -. DR Pharos; Q9UPW8; Tbio. DR PRO; PR:Q9UPW8; -. DR Proteomes; UP000005640; Chromosome 19. DR RNAct; Q9UPW8; Protein. DR Bgee; ENSG00000130477; Expressed in right hemisphere of cerebellum and 153 other cell types or tissues. DR ExpressionAtlas; Q9UPW8; baseline and differential. DR GO; GO:0031594; C:neuromuscular junction; IBA:GO_Central. DR GO; GO:0043005; C:neuron projection; ISS:ParkinsonsUK-UCL. DR GO; GO:0005886; C:plasma membrane; IBA:GO_Central. DR GO; GO:0048786; C:presynaptic active zone; TAS:ParkinsonsUK-UCL. DR GO; GO:0098831; C:presynaptic active zone cytoplasmic component; IBA:GO_Central. DR GO; GO:0042734; C:presynaptic membrane; ISS:ParkinsonsUK-UCL. DR GO; GO:0030672; C:synaptic vesicle membrane; IBA:GO_Central. DR GO; GO:0043195; C:terminal bouton; IBA:GO_Central. DR GO; GO:0005509; F:calcium ion binding; IEA:InterPro. DR GO; GO:0005516; F:calmodulin binding; ISS:ParkinsonsUK-UCL. DR GO; GO:0019992; F:diacylglycerol binding; IEA:InterPro. DR GO; GO:0005543; F:phospholipid binding; IEA:InterPro. DR GO; GO:0017075; F:syntaxin-1 binding; ISS:ParkinsonsUK-UCL. DR GO; GO:0030154; P:cell differentiation; IEA:UniProtKB-KW. DR GO; GO:0061789; P:dense core granule priming; IBA:GO_Central. DR GO; GO:0007528; P:neuromuscular junction development; IBA:GO_Central. DR GO; GO:0099011; P:neuronal dense core vesicle exocytosis; ISS:UniProtKB. DR GO; GO:0007269; P:neurotransmitter secretion; ISS:ParkinsonsUK-UCL. DR GO; GO:1903861; P:positive regulation of dendrite extension; IDA:UniProtKB. DR GO; GO:0099525; P:presynaptic dense core vesicle exocytosis; IBA:GO_Central. DR GO; GO:0051966; P:regulation of synaptic transmission, glutamatergic; TAS:ParkinsonsUK-UCL. DR GO; GO:0035249; P:synaptic transmission, glutamatergic; IBA:GO_Central. DR GO; GO:0016081; P:synaptic vesicle docking; IBA:GO_Central. DR GO; GO:0016188; P:synaptic vesicle maturation; IBA:GO_Central. DR GO; GO:0016082; P:synaptic vesicle priming; IBA:GO_Central. DR CDD; cd20859; C1_Munc13-2-like; 1. DR CDD; cd08394; C2A_Munc13; 1. DR CDD; cd04027; C2B_Munc13; 1. DR CDD; cd08395; C2C_Munc13; 1. DR Gene3D; 1.10.357.50; -; 1. DR Gene3D; 1.20.58.1100; -; 1. DR Gene3D; 3.30.60.20; -; 1. DR Gene3D; 2.60.40.150; C2 domain; 3. DR InterPro; IPR046349; C1-like_sf. DR InterPro; IPR000008; C2_dom. DR InterPro; IPR035892; C2_domain_sf. DR InterPro; IPR010439; MUN_dom. DR InterPro; IPR014770; Munc13_1. DR InterPro; IPR014772; Munc13_dom-2. DR InterPro; IPR002219; PE/DAG-bd. DR InterPro; IPR027080; Unc-13. DR InterPro; IPR037302; Unc-13_C2B. DR PANTHER; PTHR10480; PROTEIN UNC-13 HOMOLOG; 1. DR PANTHER; PTHR10480:SF1; PROTEIN UNC-13 HOMOLOG A; 1. DR Pfam; PF00130; C1_1; 1. DR Pfam; PF00168; C2; 3. DR Pfam; PF06292; MUN; 1. DR PRINTS; PR00360; C2DOMAIN. DR SMART; SM00109; C1; 1. DR SMART; SM00239; C2; 3. DR SMART; SM01145; DUF1041; 1. DR SUPFAM; SSF49562; C2 domain (Calcium/lipid-binding domain, CaLB); 3. DR SUPFAM; SSF57889; Cysteine-rich domain; 1. DR PROSITE; PS50004; C2; 3. DR PROSITE; PS51258; MHD1; 1. DR PROSITE; PS51259; MHD2; 1. DR PROSITE; PS00479; ZF_DAG_PE_1; 1. DR PROSITE; PS50081; ZF_DAG_PE_2; 1. DR Genevisible; Q9UPW8; HS. PE 2: Evidence at transcript level; KW Calcium; Cell membrane; Cell projection; Coiled coil; Cytoplasm; KW Differentiation; Exocytosis; Membrane; Metal-binding; Phosphoprotein; KW Reference proteome; Repeat; Synapse; Zinc; Zinc-finger. FT CHAIN 1..1703 FT /note="Protein unc-13 homolog A" FT /id="PRO_0000188573" FT DOMAIN 1..97 FT /note="C2 1" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00041" FT DOMAIN 659..783 FT /note="C2 2" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00041" FT DOMAIN 1093..1236 FT /note="MHD1" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00587" FT DOMAIN 1345..1512 FT /note="MHD2" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00588" FT DOMAIN 1526..1653 FT /note="C2 3" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00041" FT ZN_FING 553..603 FT /note="Phorbol-ester/DAG-type" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00226" FT REGION 186..445 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT COILED 320..357 FT /evidence="ECO:0000255" FT COMPBIAS 188..203 FT /note="Basic and acidic residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT COMPBIAS 204..225 FT /note="Polar residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT COMPBIAS 245..277 FT /note="Polar residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT COMPBIAS 278..318 FT /note="Basic and acidic residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT COMPBIAS 319..353 FT /note="Acidic residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT COMPBIAS 419..442 FT /note="Basic and acidic residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT BINDING 567 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /ligand_label="1" FT /evidence="ECO:0000250" FT BINDING 570 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /ligand_label="1" FT /evidence="ECO:0000250" FT BINDING 584 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /ligand_label="2" FT /evidence="ECO:0000250" FT BINDING 587 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /ligand_label="2" FT /evidence="ECO:0000250" FT BINDING 595 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /ligand_label="1" FT /evidence="ECO:0000250" FT BINDING 603 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /ligand_label="2" FT /evidence="ECO:0000250" FT BINDING 692 FT /ligand="Ca(2+)" FT /ligand_id="ChEBI:CHEBI:29108" FT /ligand_label="1" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00041" FT BINDING 692 FT /ligand="Ca(2+)" FT /ligand_id="ChEBI:CHEBI:29108" FT /ligand_label="2" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00041" FT BINDING 698 FT /ligand="Ca(2+)" FT /ligand_id="ChEBI:CHEBI:29108" FT /ligand_label="1" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00041" FT BINDING 744 FT /ligand="Ca(2+)" FT /ligand_id="ChEBI:CHEBI:29108" FT /ligand_label="1" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00041" FT BINDING 744 FT /ligand="Ca(2+)" FT /ligand_id="ChEBI:CHEBI:29108" FT /ligand_label="2" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00041" FT BINDING 746 FT /ligand="Ca(2+)" FT /ligand_id="ChEBI:CHEBI:29108" FT /ligand_label="1" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00041" FT BINDING 746 FT /ligand="Ca(2+)" FT /ligand_id="ChEBI:CHEBI:29108" FT /ligand_label="2" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00041" FT BINDING 763 FT /ligand="Ca(2+)" FT /ligand_id="ChEBI:CHEBI:29108" FT /ligand_label="2" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00041" FT MOD_RES 240 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:Q62768" FT MOD_RES 242 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:Q62768" FT MOD_RES 245 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:Q62768" FT MOD_RES 256 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:Q62768" FT VARIANT 359 FT /note="A -> T (in dbSNP:rs34752754)" FT /id="VAR_061872" FT CONFLICT 1034 FT /note="L -> P (in Ref. 2; BAA82984)" FT /evidence="ECO:0000305" SQ SEQUENCE 1703 AA; 193014 MW; C8F6CEBEEF8E050B CRC64; MSLLCVGVKK AKFDGAQEKF NTYVTLKVQN VKSTTIAVRG SQPSWEQDFM FEINRLDLGL TVEVWNKGLI WDTMVGTVWI PLRTIRQSNE EGPGEWLTLD SQVIMADSEI CGTKDPTFHR ILLDTRFELP LDIPEEEARY WAKKLEQLNA MRDQDEYSFQ DEQDKPLPVP SNQCCNWNYF GWGEQHNDDP DSAVDDRDSD YRSETSNSIP PPYYTTSQPN ASVHQYSVRP PPLGSRESYS DSMHSYEEFS EPQALSPTGS SRYASSGELS QGSSQLSEDF DPDEHSLQGS DMEDERDRDS YHSCHSSVSY HKDSPRWDQD EEELEEDLED FLEEEELPED EEELEEEEEE VPDDLGSYAQ REDVAVAEPK DFKRISLPPA APGKEDKAPV APTEAPDMAK VAPKPATPDK VPAAEQIPEA EPPKDEESFR PREDEEGQEG QDSMSRAKAN WLRAFNKVRM QLQEARGEGE MSKSLWFKGG PGGGLIIIDS MPDIRKRKPI PLVSDLAMSL VQSRKAGITS ALASSTLNNE ELKNHVYKKT LQALIYPISC TTPHNFEVWT ATTPTYCYEC EGLLWGIARQ GMRCTECGVK CHEKCQDLLN ADCLQRAAEK SSKHGAEDRT QNIIMVLKDR MKIRERNKPE IFELIQEIFA VTKTAHTQQM KAVKQSVLDG TSKWSAKISI TVVCAQGLQA KDKTGSSDPY VTVQVGKTKK RTKTIYGNLN PVWEENFHFE CHNSSDRIKV RVWDEDDDIK SRVKQRFKRE SDDFLGQTII EVRTLSGEMD VWYNLDKRTD KSAVSGAIRL HISVEIKGEE KVAPYHVQYT CLHENLFHFV TDVQNNGVVK IPDAKGDDAW KVYYDETAQE IVDEFAMRYG VESIYQAMTH FACLSSKYMC PGVPAVMSTL LANINAYYAH TTASTNVSAS DRFAASNFGK ERFVKLLDQL HNSLRIDLSM YRNNFPASSP ERLQDLKSTV DLLTSITFFR MKVQELQSPP RASQVVKDCV KACLNSTYEY IFNNCHELYS REYQTDPAKK GEVLPEEQGP SIKNLDFWSK LITLIVSIIE EDKNSYTPCL NQFPQELNVG KISAEVMWNL FAQDMKYAME EHDKHRLCKS ADYMNLHFKV KWLYNEYVTE LPAFKDRVPE YPAWFEPFVI QWLDENEEVS RDFLHGALER DKKDGFQQTS EHALFSCSVV DVFSQLNQSF EIIKKLECPD PQIVGHYMRR FAKTISNVLL QYADIISKDF ASYCSKEKEK VPCILMNNTQ QLRVQLEKMF EAMGGKELDA EASDILKELQ VKLNNVLDEL SRVFATSFQP HIEECVKQMG DILSQVKGTG NVPASACSSV AQDADNVLQP IMDLLDSNLT LFAKICEKTV LKRVLKELWK LVMNTMEKTI VLPPLTDQTM IGNLLRKHGK GLEKGRVKLP SHSDGTQMIF NAAKELGQLS KLKDHMVREE AKSLTPKQCA VVELALDTIK QYFHAGGVGL KKTFLEKSPD LQSLRYALSL YTQATDLLIK TFVQTQSAQG LGVEDPVGEV SVHVELFTHP GTGEHKVTVK VVAANDLKWQ TSGIFRPFIE VNIIGPQLSD KKRKFATKSK NNSWAPKYNE SFQFTLSADA GPECYELQVC VKDYCFARED RTVGLAVLQL RELAQRGSAA CWLPLGRRIH MDDTGLTVLR ILSQRSNDEV AKEFVKLKSD TRSAEEGGAA PAP //