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LAMP2

Gene
LAMP2
Protein
Lysosome-associated membrane glycoprotein 2
Organism
Gallus gallus
Length
425 amino acids
Function
Plays an important role in chaperone-mediated autophagy, a process that mediates lysosomal degradation of proteins in response to various stresses and as part of the normal turnover of proteins with a long biological half-live. Functions by binding target proteins, such as GAPDH and MLLT11, and targeting them for lysosomal degradation (By similarity). Plays a role in lysosomal protein degradation in response to starvation (By similarity). Required for the fusion of autophagosomes with lysosomes during autophagy. Cells that lack LAMP2 express normal levels of VAMP8, but fail to accumulate STX17 on autophagosomes, which is the most likely explanation for the lack of fusion between autophagosomes and lysosomes. Required for normal degradation of the contents of autophagosomes. Required for efficient MHCII-mediated presentation of exogenous antigens via its function in lysosomal protein degradation; antigenic peptides generated by proteases in the endosomal/lysosomal compartment are captured by nascent MHCII subunits. Is not required for efficient MHCII-mediated presentation of endogenous antigens (By similarity).
Similarity
Belongs to the LAMP family.
Mass
46.715 kDa
Sequence
MAPPRCPAGLALLLLLLGACGFFQSYAVEVDVKDASNFTCLYAQWMMKFLIKYETNSSDYKNASLDLTSTVTHNGSICGSDTQAALLAVQFGDGHSWSINFTKNNETYRAEFITFTYNTNDTAVFPDARRQGPVTIVVKDAMHPIQLNNVFVCHHTTSLEAENVTQIFWNVTMQPFVQNGTISKKESRCYADTPTAAPTVLPTVANVTTASTTISPAPTTAPKPAENPVTGNYSLKTGNKTCLLATVGLQLNISQDKPLLINIDPKTTHADGTCGNTSATLKLNDGNRTLIDFTFIVNASASVQKFYLREVNVTLLNYQNGSVILSADNNNLSKWDASLGNSYMCRKEQTLEINENLQVHTFNLWVQPFLVKENKFSIAEECFADSDLNFLIPVAVGMALGFLIILVFISYIIGRRKSRTGYQSV

Gene
Lamp2
Protein
Lysosome-associated membrane glycoprotein 2
Organism
Mus musculus
Length
415 amino acids
Function
Plays an important role in chaperone-mediated autophagy, a process that mediates lysosomal degradation of proteins in response to various stresses and as part of the normal turnover of proteins with a long biological half-live (PubMed:10972293). Functions by binding target proteins, such as GAPDH and MLLT11, and targeting them for lysosomal degradation (By similarity). Required for the fusion of autophagosomes with lysosomes during autophagy (PubMed:27628032). Cells that lack LAMP2 express normal levels of VAMP8, but fail to accumulate STX17 on autophagosomes, which is the most likely explanation for the lack of fusion between autophagosomes and lysosomes (PubMed:27628032). Required for normal degradation of the contents of autophagosomes (PubMed:10972293, PubMed:12221139). Plays a role in lysosomal protein degradation in response to starvation (PubMed:27628032). Required for efficient MHCII-mediated presentation of exogenous antigens via its function in lysosomal protein degradation; antigenic peptides generated by proteases in the endosomal/lysosomal compartment are captured by nascent MHCII subunits. Is not required for efficient MHCII-mediated presentation of endogenous antigens (By similarity).
Similarity
Belongs to the LAMP family.
Mass
45.681 kDa
Sequence
MCLSPVKGAKLILIFLFLGAVQSNALIVNLTDSKGTCLYAEWEMNFTITYETTNQTNKTITIAVPDKATHDGSSCGDDRNSAKIMIQFGFAVSWAVNFTKEASHYSIHDIVLSYNTSDSTVFPGAVAKGVHTVKNPENFKVPLDVIFKCNSVLTYNLTPVVQKYWGIHLQAFVQNGTVSKNEQVCEEDQTPTTVAPIIHTTAPSTTTTLTPTSTPTPTPTPTPTVGNYSIRNGNTTCLLATMGLQLNITEEKVPFIFNINPATTNFTGSCQPQSAQLRLNNSQIKYLDFIFAVKNEKRFYLKEVNVYMYLANGSAFNISNKNLSFWDAPLGSSYMCNKEQVLSVSRAFQINTFNLKVQPFNVTKGQYSTAQDCSADEDNFLVPIAVGAALGGVLILVLLAYFIGLKRHHTGYEQF

Gene
Lamp2
Protein
Lysosome-associated membrane glycoprotein 2
Organism
Rattus norvegicus
Length
411 amino acids
Function
Plays an important role in chaperone-mediated autophagy, a process that mediates lysosomal degradation of proteins in response to various stresses and as part of the normal turnover of proteins with a long biological half-live (PubMed:8662539, PubMed:11082038). Binds target proteins, such as GAPDH, and targets them for lysosomal degradation (PubMed:8662539, PubMed:11082038, PubMed:18644871). Plays a role in lysosomal protein degradation in response to starvation (PubMed:11082038). Required for the fusion of autophagosomes with lysosomes during autophagy. Cells that lack LAMP2 express normal levels of VAMP8, but fail to accumulate STX17 on autophagosomes, which is the most likely explanation for the lack of fusion between autophagosomes and lysosomes. Required for normal degradation of the contents of autophagosomes. Required for efficient MHCII-mediated presentation of exogenous antigens via its function in lysosomal protein degradation; antigenic peptides generated by proteases in the endosomal/lysosomal compartment are captured by nascent MHCII subunits. Is not required for efficient MHCII-mediated presentation of endogenous antigens (By similarity).
Similarity
Belongs to the LAMP family.
Mass
45.156 kDa
Sequence
MRLLSPVTGSKLVLLFLFLGAVRSDALKLNLTDSKGTCLYAEWEMNFTITYEALKVNETVTITVPDKVTYNGSSCGDDKNGAKIMIQYGSTLSWAVNFTKEASQYFINNITLSYNTNDTKTFPGAVPKGILTVIIPVGSQLPLGVIFKCSSVLTFNLSPVVQHYWGIHLQAFVQNGTVSKHEQVCKEDKTATTVAPIIHTTVPSPTTTLTPTSIPVPTPTVGNYTISNGNATCLLATMGLQLNITEEKVPFIFNINPAITNFTGSCQPQTAQLRLNNSQIKYLDFIFAVKNEKRFYLKEVNVNMYLANGSAFHVSNNNLSFWDAPLGSSYMCNKEQVVSVSRTFQINTFNLKVQPFNVTKGEYSTAQDCSADEDNFLVPIAVGAALGGVLILVLLAYFIGLKRHHTGYEQF

Gene
LAMP2
Protein
Lysosome-associated membrane glycoprotein 2
Organism
Cricetulus griseus
Length
410 amino acids
Function
Plays an important role in chaperone-mediated autophagy, a process that mediates lysosomal degradation of proteins in response to various stresses and as part of the normal turnover of proteins with a long biological half-live. Functions by binding target proteins, such as GAPDH and MLLT11, and targeting them for lysosomal degradation (By similarity). Plays a role in lysosomal protein degradation in response to starvation (By similarity). Required for the fusion of autophagosomes with lysosomes during autophagy. Cells that lack LAMP2 express normal levels of VAMP8, but fail to accumulate STX17 on autophagosomes, which is the most likely explanation for the lack of fusion between autophagosomes and lysosomes. Required for normal degradation of the contents of autophagosomes. Required for efficient MHCII-mediated presentation of exogenous antigens via its function in lysosomal protein degradation; antigenic peptides generated by proteases in the endosomal/lysosomal compartment are captured by nascent MHCII subunits. Is not required for efficient MHCII-mediated presentation of endogenous antigens (By similarity).
Similarity
Belongs to the LAMP family.
Mass
45.028 kDa
Sequence
MMCFRLSPVSGSGLVLSCLLLGAVQSYAFELNLPDSKATCLFAKWKMNFTISYETTTNKTLKTVTISEPHNVTYNGSSCGDDQGVAKIAVQFGSTVSWNVTFTKEESHYVIGSIWLVYNTSDNTTFPGAIPKGSATVISSQSIEIPLDDIFRCNSLLTFKTGNVVQNYWDIHLQAFVQNGTVSKEEFVCEEDKSVTTVRPIIHTTVPPPTTTPTPLPPKVGNYSVSNGNATCLLATMGLQLNVTEEKVPFIFNINPSTTNFTGSCHPQTAQLRLNNSQIKYLDFIFAVKSESHFYLKEVNVSMYMANGSVFSVANNNLSFWDAPLGSSYMCNKEQVVSVSRTFQINTFNLKVQPFNVTKGKYATAQDCSADEDNFLVPIAVGAALAGVLALVLLAYFIGLKRHHTGYEQF

Gene
LAMP2
Protein
Lysosome-associated membrane glycoprotein 2
Organism
Homo sapiens
Length
410 amino acids
Function
Isoform LAMP-2C: Modulates chaperone-mediated autophagy. Decreases presentation of endogenous antigens by MHCII. Does not play a role in the presentation of exogenous and membrane-derived antigens by MHCII.
Similarity
Belongs to the LAMP family.
Mass
44.961 kDa
Sequence
MVCFRLFPVPGSGLVLVCLVLGAVRSYALELNLTDSENATCLYAKWQMNFTVRYETTNKTYKTVTISDHGTVTYNGSICGDDQNGPKIAVQFGPGFSWIANFTKAASTYSIDSVSFSYNTGDNTTFPDAEDKGILTVDELLAIRIPLNDLFRCNSLSTLEKNDVVQHYWDVLVQAFVQNGTVSTNEFLCDKDKTSTVAPTIHTTVPSPTTTPTPKEKPEAGTYSVNNGNDTCLLATMGLQLNITQDKVASVININPNTTHSTGSCRSHTALLRLNSSTIKYLDFVFAVKNENRFYLKEVNISMYLVNGSVFSIANNNLSYWDAPLGSSYMCNKEQTVSVSGAFQINTFDLRVQPFNVTQGKYSTAQDCSADDDNFLVPIAVGAALAGVLILVLLAYFIGLKHHHAGYEQF