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AP4S1
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  • AP4S1
PROTEIN SUMMARY SECTION OVERVIEW 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.

AP4S1
Synonyms AP47B, CLA20, SPG52
Gene descriptioni

Full gene name according to HGNC.

Adaptor related protein complex 4 subunit sigma 1
Protein classi

Assigned HPA protein class(es) for the encoded protein(s).

Disease related genes
Human disease related genes
Potential drug targets
Transporters
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 14
Cytoband q12
Chromosome location (bp) 31025106 - 31130996
Number of transcriptsi

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

10
Ensembl ENSG00000100478 (version 109)
Entrez gene 11154
HGNC HGNC:575
UniProt Q9Y587 (UniProt - Evidence at protein level)
neXtProt NX_Q9Y587
GeneCards AP4S1
Antibodypedia AP4S1 antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Component of the adaptor protein complex 4 (AP-4). Adaptor protein complexes are vesicle coat components involved both in vesicle formation and cargo selection. They control the vesicular transport of proteins in different trafficking pathways 1, 2. AP-4 forms a non clathrin-associated coat on vesicles departing the trans-Golgi network (TGN) and may be involved in the targeting of proteins from the trans-Golgi network (TGN) to the endosomal-lysosomal system. It is also involved in protein sorting to the basolateral membrane in epithelial cells and the proper asymmetric localization of somatodendritic proteins in neurons. AP-4 is involved in the recognition and binding of tyrosine-based sorting signals found in the cytoplasmic part of cargos, but may also recognize other types of sorting signal (Probable).... show less
Biological process (UniProt)i

Keywords assigned by UniProt to proteins because they are involved in a particular biological process.

Protein transport, Transport
Gene summary (Entrez)i

Useful information about the gene from Entrez

This gene encodes a member of the adaptor complexes small subunit protein family. These proteins are components of the heterotetrameric adaptor protein complexes, which play important roles in the secretory and endocytic pathways by mediating vesicle formation and sorting of integral membrane proteins. The encoded protein is the small subunit of adaptor protein complex-4, which is associated with both clathrin- and nonclathrin-coated vesicles. Mutations in this gene are associated with spastic quadriplegic cerebral palsy-6. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene, and a pseudogene of this gene is located on the long arm of chromosome 6. [provided by RefSeq, Dec 2011]... 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 ENSP identifier links to the Ensembl website protein summary, while the ENST identifier links to the Ensembl website transcript summary for the selected splice variant. The data in the UniProt column can be expanded to show links to all matching UniProt identifiers for this protein.

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 Gene Ontology terms assigned to this protein are listed if expanding the Gene ontology column. The length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide (according to a majority of the signal peptide predictors SPOCTOPUS, SignalP 4.0, and Phobius) and the number of predicted transmembrane region(s) (according to MDM) are also reported.
Splice variant SwissProt TrEMBL Protein class Gene ontology Length & mass Signal peptide
(predicted)
Transmembrane regions
(predicted)
AP4S1-201
ENSP00000216366
ENST00000216366
A0A8C8KBR5
[Direct mapping] AP-4 complex subunit sigma-1
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Nervous system diseases
   Other nervous and sensory system diseases
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0012505 [endomembrane system]
GO:0015031 [protein transport]
GO:0030119 [AP-type membrane coat adaptor complex]
GO:0031410 [cytoplasmic vesicle]
Show all
132 aa
15.7 kDa
No 0
AP4S1-202
ENSP00000322508
ENST00000313566
A0A8C8KCP6
[Direct mapping] AP-4 complex subunit sigma-1
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Nervous system diseases
   Other nervous and sensory system diseases
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0012505 [endomembrane system]
GO:0015031 [protein transport]
GO:0030119 [AP-type membrane coat adaptor complex]
GO:0031410 [cytoplasmic vesicle]
Show all
173 aa
20.3 kDa
No 0
AP4S1-203
ENSP00000334484
ENST00000334725
Q9Y587
[Direct mapping] AP-4 complex subunit sigma-1
Show all
Transporters
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Disease related genes
Potential drug targets
Human disease related genes
   Nervous system diseases
   Other nervous and sensory system diseases
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005794 [Golgi apparatus]
GO:0005802 [trans-Golgi network]
GO:0006605 [protein targeting]
GO:0008104 [protein localization]
GO:0012505 [endomembrane system]
GO:0015031 [protein transport]
GO:0016020 [membrane]
GO:0016192 [vesicle-mediated transport]
GO:0030119 [AP-type membrane coat adaptor complex]
GO:0030124 [AP-4 adaptor complex]
GO:0031410 [cytoplasmic vesicle]
GO:0031904 [endosome lumen]
GO:0032588 [trans-Golgi network membrane]
GO:0043231 [intracellular membrane-bounded organelle]
Show all
149 aa
17.4 kDa
No 0
AP4S1-204
ENSP00000438170
ENST00000542754
Q9Y587
[Direct mapping] AP-4 complex subunit sigma-1
Show all
Transporters
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Disease related genes
Potential drug targets
Human disease related genes
   Nervous system diseases
   Other nervous and sensory system diseases
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005794 [Golgi apparatus]
GO:0005802 [trans-Golgi network]
GO:0006605 [protein targeting]
GO:0008104 [protein localization]
GO:0012505 [endomembrane system]
GO:0015031 [protein transport]
GO:0016020 [membrane]
GO:0016192 [vesicle-mediated transport]
GO:0030119 [AP-type membrane coat adaptor complex]
GO:0030124 [AP-4 adaptor complex]
GO:0031410 [cytoplasmic vesicle]
GO:0031904 [endosome lumen]
GO:0032588 [trans-Golgi network membrane]
GO:0043231 [intracellular membrane-bounded organelle]
Show all
144 aa
17 kDa
No 0
AP4S1-205
ENSP00000450768
ENST00000554345
Q9Y587
[Direct mapping] AP-4 complex subunit sigma-1
Show all
Transporters
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Disease related genes
Potential drug targets
Human disease related genes
   Nervous system diseases
   Other nervous and sensory system diseases
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005794 [Golgi apparatus]
GO:0005802 [trans-Golgi network]
GO:0006605 [protein targeting]
GO:0008104 [protein localization]
GO:0012505 [endomembrane system]
GO:0015031 [protein transport]
GO:0016020 [membrane]
GO:0016192 [vesicle-mediated transport]
GO:0030119 [AP-type membrane coat adaptor complex]
GO:0030124 [AP-4 adaptor complex]
GO:0031410 [cytoplasmic vesicle]
GO:0031904 [endosome lumen]
GO:0032588 [trans-Golgi network membrane]
GO:0043231 [intracellular membrane-bounded organelle]
Show all
159 aa
18.6 kDa
No 0
AP4S1-206
ENSP00000452383
ENST00000554609
Q9Y587
[Direct mapping] AP-4 complex subunit sigma-1
Show all
G3V5J6
[Direct mapping] AP complex subunit sigma
Show all
Transporters
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Disease related genes
Potential drug targets
Human disease related genes
   Nervous system diseases
   Other nervous and sensory system diseases
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005794 [Golgi apparatus]
GO:0005802 [trans-Golgi network]
GO:0006605 [protein targeting]
GO:0006886 [intracellular protein transport]
GO:0008104 [protein localization]
GO:0012505 [endomembrane system]
GO:0015031 [protein transport]
GO:0016020 [membrane]
GO:0016192 [vesicle-mediated transport]
GO:0030119 [AP-type membrane coat adaptor complex]
GO:0030124 [AP-4 adaptor complex]
GO:0031410 [cytoplasmic vesicle]
GO:0031904 [endosome lumen]
GO:0032588 [trans-Golgi network membrane]
GO:0043231 [intracellular membrane-bounded organelle]
Show all
135 aa
15.7 kDa
No 0
AP4S1-207
ENSP00000451609
ENST00000555417
Q9Y587
[Direct mapping] AP-4 complex subunit sigma-1
Show all
A0A0G2JL90
[Direct mapping] AP-4 complex subunit sigma-1
Show all
Transporters
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Disease related genes
Potential drug targets
Human disease related genes
   Nervous system diseases
   Other nervous and sensory system diseases
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005794 [Golgi apparatus]
GO:0005802 [trans-Golgi network]
GO:0006605 [protein targeting]
GO:0008104 [protein localization]
GO:0012505 [endomembrane system]
GO:0015031 [protein transport]
GO:0016020 [membrane]
GO:0016192 [vesicle-mediated transport]
GO:0030119 [AP-type membrane coat adaptor complex]
GO:0030124 [AP-4 adaptor complex]
GO:0031410 [cytoplasmic vesicle]
GO:0031904 [endosome lumen]
GO:0032588 [trans-Golgi network membrane]
GO:0043231 [intracellular membrane-bounded organelle]
Show all
144 aa
17 kDa
No 0
AP4S1-208
ENSP00000451918
ENST00000556232
G3V4P7
[Direct mapping] AP complex subunit sigma
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Nervous system diseases
   Other nervous and sensory system diseases
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0006886 [intracellular protein transport]
GO:0012505 [endomembrane system]
GO:0015031 [protein transport]
GO:0016020 [membrane]
GO:0030119 [AP-type membrane coat adaptor complex]
GO:0031410 [cytoplasmic vesicle]
Show all
99 aa
11.9 kDa
No 0
AP4S1-210
ENSP00000451479
ENST00000557346
Q9Y587
[Direct mapping] AP-4 complex subunit sigma-1
Show all
G3V3X7
[Direct mapping] AP complex subunit sigma
Show all
Transporters
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Disease related genes
Potential drug targets
Human disease related genes
   Nervous system diseases
   Other nervous and sensory system diseases
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005794 [Golgi apparatus]
GO:0005802 [trans-Golgi network]
GO:0006605 [protein targeting]
GO:0006886 [intracellular protein transport]
GO:0008104 [protein localization]
GO:0012505 [endomembrane system]
GO:0015031 [protein transport]
GO:0016020 [membrane]
GO:0016192 [vesicle-mediated transport]
GO:0030119 [AP-type membrane coat adaptor complex]
GO:0030124 [AP-4 adaptor complex]
GO:0031410 [cytoplasmic vesicle]
GO:0031904 [endosome lumen]
GO:0032588 [trans-Golgi network membrane]
GO:0043231 [intracellular membrane-bounded organelle]
Show all
144 aa
17 kDa
No 0
AP4S1-213
ENSP00000500890
ENST00000673317
A0A5F9ZI62
[Direct mapping] AP-4 complex subunit sigma-1
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Nervous system diseases
   Other nervous and sensory system diseases
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0012505 [endomembrane system]
GO:0015031 [protein transport]
GO:0030119 [AP-type membrane coat adaptor complex]
GO:0031410 [cytoplasmic vesicle]
Show all
135 aa
16 kDa
No 0

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