ID MLP3A_HUMAN Reviewed; 121 AA. AC Q9H492; Q9BXW5; DT 08-NOV-2002, integrated into UniProtKB/Swiss-Prot. DT 10-MAY-2005, sequence version 2. DT 09-FEB-2010, entry version 68. DE RecName: Full=Microtubule-associated proteins 1A/1B light chain 3A; DE AltName: Full=Microtubule-associated protein 1 light chain 3 alpha; DE AltName: Full=MAP1A/MAP1B light chain 3 A; DE Short=MAP1A/MAP1B LC3 A; DE AltName: Full=MAP1 light chain 3-like protein 1; DE AltName: Full=Autophagy-related protein LC3 A; DE AltName: Full=Autophagy-related ubiquitin-like modifier LC3 A; DE Flags: Precursor; GN Name=MAP1LC3A; OS Homo sapiens (Human). OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; OC Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; OC Catarrhini; Hominidae; Homo. OX NCBI_TaxID=9606; RN [1] RP NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1), SUBCELLULAR LOCATION, TISSUE RP SPECIFICITY, AND MUTAGENESIS OF GLY-120. RX MEDLINE=22765575; PubMed=12740394; DOI=10.1074/jbc.M303800200; RA He H., Dang Y., Dai F., Guo Z., Wu J., She X., Pei Y., Chen Y., RA Ling W., Wu C., Zhao S., Liu J.O., Yu L.; RT "Post-translational modifications of three members of the human RT MAP1LC3 family and detection of a novel type of modification for RT MAP1LC3B."; RL J. Biol. Chem. 278:29278-29287(2003). RN [2] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1). RA Kalnine N., Chen X., Rolfs A., Halleck A., Hines L., Eisenstein S., RA Koundinya M., Raphael J., Moreira D., Kelley T., LaBaer J., Lin Y., RA Phelan M., Farmer A.; RT "Cloning of human full-length CDSs in BD Creator(TM) system donor RT vector."; RL Submitted (MAY-2003) to the EMBL/GenBank/DDBJ databases. RN [3] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1). RC TISSUE=Amygdala; RX PubMed=17974005; DOI=10.1186/1471-2164-8-399; RA Bechtel S., Rosenfelder H., Duda A., Schmidt C.P., Ernst U., RA Wellenreuther R., Mehrle A., Schuster C., Bahr A., Bloecker H., RA Heubner D., Hoerlein A., Michel G., Wedler H., Koehrer K., RA Ottenwaelder B., Poustka A., Wiemann S., Schupp I.; RT "The full-ORF clone resource of the German cDNA consortium."; RL BMC Genomics 8:399-399(2007). RN [4] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA] (ISOFORMS 1 AND 2). RX MEDLINE=21638749; PubMed=11780052; DOI=10.1038/414865a; RA Deloukas P., Matthews L.H., Ashurst J.L., Burton J., Gilbert J.G.R., RA Jones M., Stavrides G., Almeida J.P., Babbage A.K., Bagguley C.L., RA Bailey J., Barlow K.F., Bates K.N., Beard L.M., Beare D.M., RA Beasley O.P., Bird C.P., Blakey S.E., Bridgeman A.M., Brown A.J., RA Buck D., Burrill W.D., Butler A.P., Carder C., Carter N.P., RA Chapman J.C., Clamp M., Clark G., Clark L.N., Clark S.Y., Clee C.M., RA Clegg S., Cobley V.E., Collier R.E., Connor R.E., Corby N.R., RA Coulson A., Coville G.J., Deadman R., Dhami P.D., Dunn M., RA Ellington A.G., Frankland J.A., Fraser A., French L., Garner P., RA Grafham D.V., Griffiths C., Griffiths M.N.D., Gwilliam R., Hall R.E., RA Hammond S., Harley J.L., Heath P.D., Ho S., Holden J.L., Howden P.J., RA Huckle E., Hunt A.R., Hunt S.E., Jekosch K., Johnson C.M., Johnson D., RA Kay M.P., Kimberley A.M., King A., Knights A., Laird G.K., Lawlor S., RA Lehvaeslaiho M.H., Leversha M.A., Lloyd C., Lloyd D.M., Lovell J.D., RA Marsh V.L., Martin S.L., McConnachie L.J., McLay K., McMurray A.A., RA Milne S.A., Mistry D., Moore M.J.F., Mullikin J.C., Nickerson T., RA Oliver K., Parker A., Patel R., Pearce T.A.V., Peck A.I., RA Phillimore B.J.C.T., Prathalingam S.R., Plumb R.W., Ramsay H., RA Rice C.M., Ross M.T., Scott C.E., Sehra H.K., Shownkeen R., Sims S., RA Skuce C.D., Smith M.L., Soderlund C., Steward C.A., Sulston J.E., RA Swann R.M., Sycamore N., Taylor R., Tee L., Thomas D.W., Thorpe A., RA Tracey A., Tromans A.C., Vaudin M., Wall M., Wallis J.M., RA Whitehead S.L., Whittaker P., Willey D.L., Williams L., Williams S.A., RA Wilming L., Wray P.W., Hubbard T., Durbin R.M., Bentley D.R., Beck S., RA Rogers J.; RT "The DNA sequence and comparative analysis of human chromosome 20."; RL Nature 414:865-871(2001). RN [5] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1). RC TISSUE=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 RT project: the Mammalian Gene Collection (MGC)."; RL Genome Res. 14:2121-2127(2004). RN [6] RP LIPIDATION, AND CLEAVAGE BY APG4B. RX PubMed=15187094; DOI=10.1074/jbc.M401461200; RA Tanida I., Sou Y.-S., Ezaki J., Minematsu-Ikeguchi N., Ueno T., RA Kominami E.; RT "HsAtg4B/HsApg4B/autophagin-1 cleaves the carboxyl termini of three RT human Atg8 homologues and delipidates microtubule-associated protein RT light chain 3- and GABAA receptor-associated protein-phospholipid RT conjugates."; RL J. Biol. Chem. 279:36268-36276(2004). CC -!- FUNCTION: Probably involved in formation of autophagosomal CC vacuoles (autophagosomes). CC -!- SUBUNIT: 3 different light chains, LC1, LC2 and LC3, can associate CC with MAP1A and MAP1B proteins (By similarity). CC -!- SUBCELLULAR LOCATION: Cytoplasm. Endomembrane system; Lipid- CC anchor. Cytoplasmic vesicle, autophagosome membrane; Lipid-anchor. CC Note=LC3-II binds to the autophagic membranes. CC -!- ALTERNATIVE PRODUCTS: CC Event=Alternative splicing; Named isoforms=2; CC Name=1; CC IsoId=Q9H492-1; Sequence=Displayed; CC Name=2; CC IsoId=Q9H492-2; Sequence=VSP_013660; CC Note=No experimental confirmation available; CC -!- TISSUE SPECIFICITY: Most abundant in heart, brain, liver, skeletal CC muscle and testis but absent in thymus and peripheral blood CC leukocytes. CC -!- PTM: The precursor molecule is cleaved by APG4B/ATG4B to form the CC cytosolic form, LC3-I. This is activated by APG7L/ATG7, CC transferred to ATG3 and conjugated to phospholipid to form the CC membrane-bound form, LC3-II. CC -!- SIMILARITY: Belongs to the MAP1 LC3 family. CC ----------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see http://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution-NoDerivs License CC ----------------------------------------------------------------------- DR EMBL; AF276658; AAK35151.1; -; mRNA. DR EMBL; BT007452; AAP36120.1; -; mRNA. DR EMBL; AL833855; CAD38714.1; -; mRNA. DR EMBL; AL118520; CAC14078.1; -; Genomic_DNA. DR EMBL; AL118520; CAI40290.1; -; Genomic_DNA. DR EMBL; BC015810; AAH15810.1; -; mRNA. DR IPI; IPI00015423; -. DR IPI; IPI00415014; -. DR RefSeq; NP_115903.1; -. DR RefSeq; NP_852610.1; -. DR UniGene; Hs.632273; -. DR PDB; 3ECI; X-ray; 2.65 A; A/B=1-121. DR PDBsum; 3ECI; -. DR IntAct; Q9H492; 3. DR STRING; Q9H492; -. DR PRIDE; Q9H492; -. DR Ensembl; ENST00000360668; ENSP00000353886; ENSG00000101460; Homo sapiens. DR Ensembl; ENST00000397709; ENSP00000380821; ENSG00000101460; Homo sapiens. DR GeneID; 84557; -. DR KEGG; hsa:84557; -. DR UCSC; uc002xap.1; human. DR UCSC; uc002xaq.1; human. DR CTD; 84557; -. DR GeneCards; GC20P032598; -. DR H-InvDB; HIX0015748; -. DR HGNC; HGNC:6838; MAP1LC3A. DR HPA; HPA007649; -. DR MIM; 601242; gene. DR PharmGKB; PA30582; -. DR eggNOG; prNOG20683; -. DR HOVERGEN; Q9H492; -. DR OMA; TPISEIY; -. DR OrthoDB; EOG9WM7DJ; -. DR PhylomeDB; Q9H492; -. DR NextBio; 74441; -. DR PMAP-CutDB; Q9H492; -. DR ArrayExpress; Q9H492; -. DR Bgee; Q9H492; -. DR CleanEx; HS_MAP1LC3A; -. DR Genevestigator; Q9H492; -. DR GermOnline; ENSG00000101460; Homo sapiens. DR GO; GO:0031225; C:anchored to membrane; IEA:UniProtKB-SubCell. DR GO; GO:0005776; C:autophagic vacuole; IDA:UniProtKB. DR GO; GO:0031410; C:cytoplasmic vesicle; IEA:UniProtKB-KW. DR GO; GO:0005829; C:cytosol; IDA:UniProtKB. DR GO; GO:0005874; C:microtubule; IEA:UniProtKB-KW. DR GO; GO:0031090; C:organelle membrane; IDA:UniProtKB. DR GO; GO:0008429; F:phosphatidylethanolamine binding; IDA:UniProtKB. DR GO; GO:0005515; F:protein binding; IPI:UniProtKB. DR GO; GO:0000045; P:autophagic vacuole assembly; ISS:UniProtKB. DR GO; GO:0019941; P:modification-dependent protein catabolic pr...; IEA:UniProtKB-KW. DR InterPro; IPR004241; MAP1_LC3. DR PANTHER; PTHR10969; MAP1_LC3; 1. DR Pfam; PF02991; MAP1_LC3; 1. PE 1: Evidence at protein level; KW 3D-structure; Alternative splicing; Autophagy; Complete proteome; KW Cytoplasm; Cytoplasmic vesicle; Lipoprotein; Membrane; Microtubule; KW Ubl conjugation pathway. FT CHAIN 1 120 Microtubule-associated proteins 1A/1B FT light chain 3A. FT /FTId=PRO_0000017192. FT PROPEP 121 121 Removed in mature form. FT /FTId=PRO_0000017193. FT LIPID 120 120 Phosphatidylethanolamine amidated glycine FT (Probable). FT VAR_SEQ 1 13 MPSDRPFKQRRSF -> MKMRFFSSPCGKAAVDP (in FT isoform 2). FT /FTId=VSP_013660. FT MUTAGEN 120 120 G->A: No processing of precursor. FT HELIX 7 10 FT HELIX 13 26 FT STRAND 30 37 FT STRAND 51 55 FT HELIX 60 71 FT STRAND 79 83 FT TURN 84 86 FT HELIX 95 102 FT STRAND 109 115 SQ SEQUENCE 121 AA; 14272 MW; 48C1FBE8F7892AF3 CRC64; MPSDRPFKQR RSFADRCKEV QQIRDQHPSK IPVIIERYKG EKQLPVLDKT KFLVPDHVNM SELVKIIRRR LQLNPTQAFF LLVNQHSMVS VSTPIADIYE QEKDEDGFLY MVYASQETFG F //