ID Q9HCI5; PN Melanoma-associated antigen E1; GN MAGEE1; OS 9606; SL Nucleus Position: SL-0198; SL Comments: Cytoplasm, perinuclear region {ECO:0000250}. Nucleus {ECO:0000250}. Cell membrane {ECO:0000250}. Note=In the skeletal muscle, found at the postsynaptic membrane and is associated with a subset of myonuclei. May reside within nuclei and/or in perinuclear compartments. In peripheral nerves, colocalizes with DTNA in the Schwann cell membrane (By similarity). {ECO:0000250}. DR UNIPROT: Q9HCI5; DR UNIPROT: Q5JXC7; DR UNIPROT: Q86TG0; DR UNIPROT: Q8TD92; DR UNIPROT: Q9H216; DR Pfam: PF01454; DR PROSITE: PS50838; DR OMIM: 300759; DR DisGeNET: 57692; DE Function: May enhance ubiquitin ligase activity of RING-type zinc finger-containing E3 ubiquitin-protein ligases. Proposed to act through recruitment and/or stabilization of the Ubl-conjugating enzyme (E2) at the E3:substrate complex. {ECO:0000269|PubMed:20864041}. DE Reference Proteome: Yes; DE Interaction: Q93009; IntAct: EBI-30844403; Score: 0.59 DE Interaction: Q8ZAW9; IntAct: EBI-2865026; Score: 0.00 DE Interaction: Q13263; IntAct: EBI-5651510; Score: 0.52 DE Interaction: Q96D98; IntAct: EBI-24354283; Score: 0.68 DE Interaction: P23508; IntAct: EBI-24430902; Score: 0.56 DE Interaction: Q96RY5; IntAct: EBI-21858269; Score: 0.35 DE Interaction: Q9ULH0; IntAct: EBI-21858269; Score: 0.35 DE Interaction: Q9H6U6; IntAct: EBI-21858269; Score: 0.35 DE Interaction: Q9BSU1; IntAct: EBI-21858269; Score: 0.35 DE Interaction: Q8WXI9; IntAct: EBI-21858269; Score: 0.35 DE Interaction: Q8N6I1; IntAct: EBI-21858269; Score: 0.35 DE Interaction: Q2TBE0; IntAct: EBI-21858269; Score: 0.35 DE Interaction: P49750; IntAct: EBI-21858269; Score: 0.35 DE Interaction: P20936; IntAct: EBI-25373525; Score: 0.35 DE Interaction: P30086; IntAct: EBI-25381702; Score: 0.35 GO GO:0030425; GO GO:0005634; GO GO:0048471; GO GO:0005886; GO GO:0045211; GO GO:0000122; TP Membrane Topology: Unknown; Source: UniProt - Sequence Analysis; SQ MSLVSQNSRRRRRRVAKATAHNSSWGEMQAPNAPGLPADVPGSDVPQGPSDSQILQGLCASEGPSTSVLPTSAEGPSTFV SQ PPTISEASSASGQPTISEGPGTSVLPTPSEGLSTSGPPTISKGLCTSVTLAASEGRNTSRPPTSSEEPSTSVPPTASEVP SQ STSLPPTPGEGTSTSVPPTAYEGPSTSVVPTPDEGPSTSVLPTPGEGPGTSVPLAATEGLSTSVQATPDEGPSTSVPPTA SQ TEGLSTPVPPTRDEGPSTSVPATPGEGPSTSVLPAASDGQSISLVPTRGKGSSTSVPPTATEGLSTSVQPTAGEGSSTSV SQ PPTPGGGLSTSVPPTATEELSTSVPPTPGEGPSTSVLPIPGEGLSTSVPPTASDGSDTSVPPTPGEGASTLVQPTAPDGP SQ GSSVLPNPGEGPSTLFSSSASVDRNPSKCSLVLPSPRVTKASVDSDSEGPKGAEGPIEFEVLRDCESPNSISIMGLNTSR SQ VAITLKPQDPMEQNVAELLQFLLVKDQSKYPIRESEMREYIVKEYRNQFPEILRRAAAHLECIFRFELRELDPEAHTYIL SQ LNKLGPVPFEGLEESPNGPKMGLLMMILGQIFLNGNQAKEAEIWEMLWRMGVQRERRLSIFGNPKRLLSVEFVWQRYLDY SQ RPVTDCKPVEYEFFWGPRSHLETTKMKILKFMAKIYNKDPMDWPEKYNEALEEDAARAFAEGWQALPHFRRPFFEEAAAE SQ VPSPDSEVSSYSSKYAPHSWPESRLESKARKLVQLFLLMDSTKLPIPKKGILYYIGRECSKVFPDLLNRAARTLNHVYGT SQ ELVVLDPRNHSYTLYNRREMEETEEIVDSPNRPGNNFLMQVLSFIFIMGNHARESAVWAFLRGLGVQAGRKHVITCRYLS SQ QRYIDSLRVPDSDPVQYEFVWGPRARLETSKMKALRYVARIHRKEPQDWPQQYREAMEDEANRADVGHRQIFVHNFR //