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BLOC1S1
HPA
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  • BLOC1S1
PROTEIN SUMMARY GENE INFORMATION RNA DATA ANTIBODY DATA
GENERAL INFORMATIONi

General description of the gene and the encoded protein(s) using information from HGNC and Ensembl, as well as predictions made by the Human Protein Atlas project.

Gene namei

Official gene symbol, which is typically a short form of the gene name, according to HGNC.

BLOC1S1
Synonyms BLOS1, BORCS1, GCN5L1
Gene descriptioni

Full gene name according to HGNC.

Biogenesis of lysosomal organelles complex 1 subunit 1
Predicted locationi

All transcripts of all genes have been analyzed regarding the location(s) of corresponding protein based on prediction methods for signal peptides and transmembrane regions.

  • Genes with at least one transcript predicted to encode a secreted protein, according to prediction methods or to UniProt location data, have been further annotated and classified with the aim to determine if the corresponding protein(s) are secreted or actually retained in intracellular locations or membrane-attached.

  • Remaining genes, with no transcript predicted to encode a secreted protein, will be assigned the prediction-based location(s).

The annotated location overrules the predicted location, so that a gene encoding a predicted secreted protein that has been annotated as intracellular will have intracellular as the final location.

Intracellular
Protein evidence Evidence at protein level (all genes)
GENE INFORMATIONi

Gene information from Ensembl and Entrez, as well as links to available gene identifiers are displayed here. Information was retrieved from Ensembl if not indicated otherwise.

Chromosome 12
Cytoband q13.2
Chromosome location (bp) 55716038 - 55720087
Number of transcriptsi

Number of protein-coding transcripts from the gene as defined by Ensembl.

5
Ensembl ENSG00000135441 (version 109)
Entrez gene 2647
HGNC HGNC:4200
UniProt P78537 (UniProt - Evidence at protein level)
neXtProt NX_P78537
GeneCards BLOC1S1
Antibodypedia BLOC1S1 antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Component of the BLOC-1 complex, a complex that is required for normal biogenesis of lysosome-related organelles (LRO), such as platelet dense granules and melanosomes. In concert with the AP-3 complex, the BLOC-1 complex is required to target membrane protein cargos into vesicles assembled at cell bodies for delivery into neurites and nerve terminals. The BLOC-1 complex, in association with SNARE proteins, is also proposed to be involved in neurite extension 1. As part of the BORC complex may play a role in lysosomes movement and localization at the cell periphery. Associated with the cytosolic face of lysosomes, the BORC complex may recruit ARL8B and couple lysosomes to microtubule plus-end-directed kinesin motor 2.... show less
Gene summary (Entrez)i

Useful information about the gene from Entrez

BLOC1S1 is a component of the ubiquitously expressed BLOC1 multisubunit protein complex. BLOC1 is required for normal biogenesis of specialized organelles of the endosomal-lysosomal system, such as melanosomes and platelet dense granules (Starcevic and Dell'Angelica, 2004).[supplied by OMIM, Mar 2008]... show less
PROTEIN INFORMATIONi

The protein information section displays alternative protein-coding transcripts (splice variants) encoded by this gene according to the Ensembl database.

The Splice variant identifier links to the Ensembl website protein summary for the selected splice variant. The data in the Swissprot and TrEMBL columns links to corresponding pages in the UniProt database.

The protein classes assigned to this protein are shown if expanding the data in the protein class column. Parent protein classes are in bold font and subclasses are listed under the parent class.

The length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide and number of predicted transmembrane region(s) according to in-house majority decision methods based on sets of predictors are also reported.
Splice variant SwissProt TrEMBL Protein class Gene ontology Length & mass Signal peptide
(predicted)
Transmembrane regions
(predicted)
BLOC1S1-201
ENSP00000448605
ENST00000547076
G8JLQ3
[Direct mapping] Biogenesis of lysosome-related organelles complex 1 subunit 1
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005758 [mitochondrial intermembrane space]
GO:0005765 [lysosomal membrane]
GO:0031083 [BLOC-1 complex]
GO:0046907 [intracellular transport]
Show all
75 aa
8.6 kDa
No 0
BLOC1S1-202
ENSP00000450218
ENST00000548556
G8JLQ3
[Direct mapping] Biogenesis of lysosome-related organelles complex 1 subunit 1
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005758 [mitochondrial intermembrane space]
GO:0005765 [lysosomal membrane]
GO:0031083 [BLOC-1 complex]
GO:0046907 [intracellular transport]
Show all
75 aa
8.6 kDa
No 0
BLOC1S1-203
ENSP00000447537
ENST00000548925
P78537
[Direct mapping] Biogenesis of lysosome-related organelles complex 1 subunit 1
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005515 [protein binding]
GO:0005615 [extracellular space]
GO:0005737 [cytoplasm]
GO:0005739 [mitochondrion]
GO:0005758 [mitochondrial intermembrane space]
GO:0005759 [mitochondrial matrix]
GO:0005764 [lysosome]
GO:0005765 [lysosomal membrane]
GO:0005769 [early endosome]
GO:0005829 [cytosol]
GO:0008089 [anterograde axonal transport]
GO:0009060 [aerobic respiration]
GO:0016020 [membrane]
GO:0016197 [endosomal transport]
GO:0018394 [peptidyl-lysine acetylation]
GO:0031083 [BLOC-1 complex]
GO:0031175 [neuron projection development]
GO:0032418 [lysosome localization]
GO:0032438 [melanosome organization]
GO:0046907 [intracellular transport]
GO:0048490 [anterograde synaptic vesicle transport]
GO:0051036 [regulation of endosome size]
GO:0060155 [platelet dense granule organization]
GO:0062196 [regulation of lysosome size]
GO:0072384 [organelle transport along microtubule]
GO:0098574 [cytoplasmic side of lysosomal membrane]
GO:0099078 [BORC complex]
GO:1904115 [axon cytoplasm]
Show all
153 aa
17.3 kDa
No 0
BLOC1S1-204
ENSP00000450328
ENST00000549147
F8VP73
[Direct mapping] Biogenesis of lysosome-related organelles complex 1 subunit 1
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005758 [mitochondrial intermembrane space]
GO:0005765 [lysosomal membrane]
GO:0031083 [BLOC-1 complex]
GO:0046907 [intracellular transport]
Show all
142 aa
16 kDa
No 0
BLOC1S1-205
ENSP00000448171
ENST00000551926
F8W606
[Direct mapping] Biogenesis of lysosome-related organelles complex 1 subunit 1
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005758 [mitochondrial intermembrane space]
GO:0005765 [lysosomal membrane]
GO:0031083 [BLOC-1 complex]
GO:0046907 [intracellular transport]
Show all
64 aa
7.3 kDa
No 0

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