AGAP6
Arf-GAP with GTPase, ANK repeat and PH domain-containing protein 6
Also known as: AGAP6_HUMAN, bA324H6.1, CTGLF3
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q5VW22
- Gene
- AGAP6
- Ensembl
- ENSG00000204149
- Chromosome
- 10
- Canonical length
- 663 aa
- Protein class
- Predicted intracellular proteins
OverviewNCBI Gene
Predicted to enable GTPase activator activity and GTPase activity. [provided by Alliance of Genome Resources, Jul 2025]
Canonical amino-acid sequenceUniProt
663 residues, UniProt reviewed canonical sequence.
>Q5VW22|AGAP6
1 MGNILTCRVH PSVSLEFDQQ QGSVCPSESE TYEAGARDRM AGAPMAAAVQ PAEVTVEVGE
61 DLHMHHVRDR EMPEALEFNP SANPEASTIF QRNSQTDVVE IRRSNCTNHV SAVRFSQQYS
121 LCSTIFLDDS TAIQHYLTMT IISVTLEIPH HITQRDADRT LSIPDEQLHS FAVSTVHIMK
181 KRNGGGSLNN YSSSIPSTPS TSQEDPQFSV PPTANTPTPV CKRSMRWSNL FTSEKGSDPD
241 KERKAPENHA DTIGSGRAIP IKQGMLLKRS GKWLKTWKKK YVTLCSNGML TYYSSLGDYM
301 KNIHKKEIDL QTSTIKVPGK WPSLATSACT PISSSKSNGL SKDMDTGLGD SICFSPSISS
361 TTSPKLNPPP SPHANKKKHL KKKSTNNFMI VSATGQTWHF EATTYEERDA WVQAIQSQIL
421 ASLQSCESSK SKSQLTSQSE AMALQSIQNM RGNAHCVDCE TQNPKWASLN LGVLMCIECS
481 GIHRSLGPHL SRVRSLELDD WPVELRKVMS SIVNDLANSI WEGSSQGQTK PSEKSTREEK
541 ERWIRSKYEE KLFLAPLPCT ELSLGQQLLR ATADEDLQTA ILLLAHGSCE EVNETCGEGD
601 GCTALHLACR KGNVVLAQLL IWYGVDVMAR DAHGNTALTY ARQASSQECI NVLLQYGCPD
661 ECVLocalizationUniProt · AlphaFold · HPA
Whether an antibody against AGAP6 can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Unknown
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.48
- Highest tissue expression
- 22 nTPM
Expression across tissuesHPA
Tissue
- pituitary gland: 22 nTPM
- spleen: 22 nTPM
- liver: 21 nTPM
- cerebellum: 21 nTPM
- thyroid gland: 18 nTPM
- prostate: 17 nTPM
Single-cell type
- distal convoluted tubule cells: 48 nCPM
- podocytes: 40 nCPM
- proximal tubule cells: 40 nCPM
- renal connecting tubule cells: 37 nCPM
- renal collecting duct intercalated cells: 34 nCPM
- loop of henle epithelial cells: 31 nCPM
Immune cell
- basophil: 1.3 nTPM
- NK-cell: 0.8 nTPM
- naive CD4 T-cell: 0.3 nTPM
- neutrophil: 0.3 nTPM
- gdT-cell: 0.2 nTPM
- MAIT T-cell: 0.2 nTPM
Brain region
- choroid plexus: 7.8 nTPM
- cerebellum: 7.1 nTPM
- white matter: 6.3 nTPM
- cerebral cortex: 5.9 nTPM
- thalamus: 5.5 nTPM
- amygdala: 5 nTPM
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 1.56
- gnomAD pLI
- 0
- gnomAD missense Z
- -1.09
- DepMap mean gene effect
- -0.5
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 4% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Molecular functions
Protein domainsUniProt · Pfam · InterPro
- Arf GTPase activating protein
- Pleckstrin homology domain
- Ankyrin repeat
- PH-like domain superfamily
- Ankyrin repeat-containing domain superfamily
- ARFGAP/RecO-like zinc finger
- ArfGAP domain superfamily
- Arf-GAP with GTPase, ANK repeat and PH domain-containing protein
- Putative GTPase activating protein for Arf
- Ankyrin repeats (3 copies)
KeywordsUniProt
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads AGAP6 as an antibody target. Whether an autoantibody or antibody against AGAP6 could matter depends on whether native AGAP6 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
AGAP6 is annotated as predominantly intracellular. Intracellular proteins are common autoantibody markers, becoming visible to the immune system after cell injury or altered processing, but are usually markers of disease rather than direct drivers.
Annotation status
The present source text does not explicitly label AGAP6 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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