CAMSAP2
Calmodulin-regulated spectrin-associated protein 2
Also known as: CAMP2_HUMAN, CAMSAP1L1, KIAA1078
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q08AD1
- Gene
- CAMSAP2
- Ensembl
- ENSG00000118200
- Chromosome
- 1
- Canonical length
- 1489 aa
- Protein class
- Disease related genes, Predicted intracellular proteins
- Subcellular location
- Golgi apparatus,Microtubule ends,Cytosol
OverviewNCBI Gene
Enables microtubule minus-end binding activity. Involved in several processes, including axon development; regulation of dendrite development; and regulation of organelle organization. Located in Golgi apparatus; cytosol; and microtubule cytoskeleton. [provided by Alliance of Genome Resources, Apr 2025]
Canonical amino-acid sequenceUniProt
1489 residues, UniProt reviewed canonical sequence.
>Q08AD1|CAMSAP2
1 MGDAADPREM RKTFIVPAIK PFDHYDFSRA KIACNLAWLV AKAFGTENVP EELQEPFYTD
61 QYDQEHIKPP VVNLLLSAEL YCRAGSLILK SDAAKPLLGH DAVIQALAQK GLYVTDQEKL
121 VTERDLHKKP IQMSAHLAMI DTLMMAYTVE MVSIEKVIAC AQQYSAFFQA TDLPYDIEDA
181 VMYWINKVNE HLKDIMEQEQ KLKEHHTVEA PGGQKSPSKW FWKLVPARYR KEQTLLKQLP
241 CIPLVENLLK DGTDGCALAA LIHFYCPDVV RLEDICLKET MSLADSLYNL QLIQEFCQEY
301 LNQCCHFTLE DMLYAASSIK SNYLVFMAEL FWWFEVVKPS FVQPRVVRPQ GAEPVKDMPS
361 IPVLNAAKRN VLDSSSDFPS SGEGATFTQS HHHLPSRYSR PQAHSSASGG IRRSSSMSYV
421 DGFIGTWPKE KRSSVHGVSF DISFDKEDSV QRSTPNRGIT RSISNEGLTL NNSHVSKHIR
481 KNLSFKPING EEEAESIEEE LNIDSHSDLK SCVPLNTNEL NSNENIHYKL PNGALQNRIL
541 LDEFGNQIET PSIEEALQII HDTEKSPHTP QPDQIANGFF LHSQEMSILN SNIKLNQSSP
601 DNVTDTKGAL SPITDNTEVD TGIHVPSEDI PETMDEDSSL RDYTVSLDSD MDDASKFLQD
661 YDIRTGNTRE ALSPCPSTVS TKSQPGSSAS SSSGVKMTSF AEQKFRKLNH TDGKSSGSSS
721 QKTTPEGSEL NIPHVVAWAQ IPEETGLPQG RDTTQLLASE MVHLRMKLEE KRRAIEAQKK
781 KMEAAFTKQR QKMGRTAFLT VVKKKGDGIS PLREEAAGAE DEKVYTDRAK EKESQKTDGQ
841 RSKSLADIKE SMENPQAKWL KSPTTPIDPE KQWNLASPSE ETLNEGEILE YTKSIEKLNS
901 SLHFLQQEMQ RLSLQQEMLM QMREQQSWVI SPPQPSPQKQ IRDFKPSKQA GLSSAIAPFS
961 SDSPRPTHPS PQSSNRKSAS FSVKSQRTPR PNELKITPLN RTLTPPRSVD SLPRLRRFSP
1021 SQVPIQTRSF VCFGDDGEPQ LKESKPKEEV KKEELESKGT LEQRGHNPEE KEIKPFESTV
1081 SEVLSLPVTE TVCLTPNEDQ LNQPTEPPPK PVFPPTAPKN VNLIEVSLSD LKPPEKADVP
1141 VEKYDGESDK EQFDDDQKVC CGFFFKDDQK AENDMAMKRA ALLEKRLRRE KETQLRKQQL
1201 EAEMEHKKEE TRRKTEEERQ KKEDERARRE FIRQEYMRRK QLKLMEDMDT VIKPRPQVVK
1261 QKKQRPKSIH RDHIESPKTP IKGPPVSSLS LASLNTGDNE SVHSGKRTPR SESVEGFLSP
1321 SRCGSRNGEK DWENASTTSS VASGTEYTGP KLYKEPSAKS NKHIIQNALA HCCLAGKVNE
1381 GQKKKILEEM EKSDANNFLI LFRDSGCQFR SLYTYCPETE EINKLTGIGP KSITKKMIEG
1441 LYKYNSDRKQ FSHIPAKTLS ASVDAITIHS HLWQTKRPVT PKKLLPTKALocalizationUniProt · AlphaFold · HPA
Whether an antibody against CAMSAP2 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
- Intracellular
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.55
- Highest tissue expression
- 37 nTPM
Expression across tissuesHPA
Tissue
- cerebral cortex: 37 nTPM
- retina: 24 nTPM
- cerebellum: 22 nTPM
- parathyroid gland: 21 nTPM
- thyroid gland: 19 nTPM
- hippocampal formation: 18 nTPM
Single-cell type
- oligodendrocyte progenitor cells: 394 nCPM
- pituicytes/fscs: 303 nCPM
- renal collecting duct intercalated cells: 286 nCPM
- adrenal cortex cells: 269 nCPM
- podocytes: 268 nCPM
- oligodendrocytes: 266 nCPM
Immune cell
- basophil: 0.1 nTPM
- memory CD4 T-cell: 0.1 nTPM
- naive CD4 T-cell: 0.1 nTPM
- T-reg: 0.1 nTPM
- classical monocyte: 0 nTPM
- eosinophil: 0 nTPM
Brain region
- cerebral cortex: 96 nTPM
- cerebellum: 86 nTPM
- basal ganglia: 80 nTPM
- hippocampal formation: 79 nTPM
- white matter: 78 nTPM
- hypothalamus: 72 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)
- 0.2
- gnomAD pLI
- 1
- gnomAD missense Z
- 2.7
- DepMap mean gene effect
- -0.16
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 8% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- axon development
- cytoplasmic microtubule organization
- microtubule cytoskeleton organization
- negative regulation of microtubule depolymerization
- regulation of dendrite development
- regulation of Golgi organization
- regulation of microtubule polymerization
- regulation of organelle organization
Molecular functions
Cellular components
Protein domainsUniProt · Pfam · InterPro
- Calponin homology domain
- PRC-barrel-like superfamily
- CAMSAP, CKK domain
- CASAMP, second calponin-homology domain
- CAMSAP, spectrin and Ca2+/calmodulin-binding region
- Calmodulin-regulated spectrin-associated protein
- CH domain superfamily
- CKK domain superfamily
- CASAMP, N-terminal domain
- Microtubule-binding calmodulin-regulated spectrin-associated
- CAMSAP CH domain
- Spectrin-binding region of Ca2+-Calmodulin
- CAMSAP2-like, calponin-homology domain
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of CAMSAP2 in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads CAMSAP2 as an antibody target. Whether an autoantibody or antibody against CAMSAP2 could matter depends on whether native CAMSAP2 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
CAMSAP2 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 CAMSAP2 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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