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AP2S1_HUMAN
ID   AP2S1_HUMAN             Reviewed;         142 AA.
AC   P53680; B2R4Z4; O75977; Q6PK67;
DT   01-OCT-1996, integrated into UniProtKB/Swiss-Prot.
DT   16-AUG-2004, sequence version 2.
DT   03-AUG-2022, entry version 180.
DE   RecName: Full=AP-2 complex subunit sigma;
DE   AltName: Full=Adaptor protein complex AP-2 subunit sigma;
DE   AltName: Full=Adaptor-related protein complex 2 subunit sigma;
DE   AltName: Full=Clathrin assembly protein 2 sigma small chain;
DE   AltName: Full=Clathrin coat assembly protein AP17;
DE   AltName: Full=Clathrin coat-associated protein AP17;
DE   AltName: Full=HA2 17 kDa subunit;
DE   AltName: Full=Plasma membrane adaptor AP-2 17 kDa protein;
DE   AltName: Full=Sigma2-adaptin;
GN   Name=AP2S1; Synonyms=AP17, CLAPS2;
OS   Homo sapiens (Human).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae;
OC   Homo.
OX   NCBI_TaxID=9606;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1).
RC   TISSUE=Kidney;
RX   PubMed=9040778; DOI=10.1159/000134463;
RA   Winterpacht A., Endele S., Enklaar T., Fuhry M., Zabel B.;
RT   "Human CLAPS2 encoding AP17, a small chain of the clathrin-associated
RT   protein complex: cDNA cloning and chromosomal assignment to
RT   19q13.2-->q13.3.";
RL   Cytogenet. Cell Genet. 75:132-135(1996).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [MRNA] (ISOFORMS 1 AND 2).
RX   PubMed=9767099; DOI=10.1016/s0378-1119(98)00406-5;
RA   Holzmann K., Poeltl A., Sauermann G.;
RT   "A novel spliced transcript of human CLAPS2 encoding a protein alternative
RT   to clathrin adaptor protein AP17.";
RL   Gene 220:39-44(1998).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1).
RC   TISSUE=Tongue;
RX   PubMed=14702039; DOI=10.1038/ng1285;
RA   Ota T., Suzuki Y., Nishikawa T., Otsuki T., Sugiyama T., Irie R.,
RA   Wakamatsu A., Hayashi K., Sato H., Nagai K., Kimura K., Makita H.,
RA   Sekine M., Obayashi M., Nishi T., Shibahara T., Tanaka T., Ishii S.,
RA   Yamamoto J., Saito K., Kawai Y., Isono Y., Nakamura Y., Nagahari K.,
RA   Murakami K., Yasuda T., Iwayanagi T., Wagatsuma M., Shiratori A., Sudo H.,
RA   Hosoiri T., Kaku Y., Kodaira H., Kondo H., Sugawara M., Takahashi M.,
RA   Kanda K., Yokoi T., Furuya T., Kikkawa E., Omura Y., Abe K., Kamihara K.,
RA   Katsuta N., Sato K., Tanikawa M., Yamazaki M., Ninomiya K., Ishibashi T.,
RA   Yamashita H., Murakawa K., Fujimori K., Tanai H., Kimata M., Watanabe M.,
RA   Hiraoka S., Chiba Y., Ishida S., Ono Y., Takiguchi S., Watanabe S.,
RA   Yosida M., Hotuta T., Kusano J., Kanehori K., Takahashi-Fujii A., Hara H.,
RA   Tanase T.-O., Nomura Y., Togiya S., Komai F., Hara R., Takeuchi K.,
RA   Arita M., Imose N., Musashino K., Yuuki H., Oshima A., Sasaki N.,
RA   Aotsuka S., Yoshikawa Y., Matsunawa H., Ichihara T., Shiohata N., Sano S.,
RA   Moriya S., Momiyama H., Satoh N., Takami S., Terashima Y., Suzuki O.,
RA   Nakagawa S., Senoh A., Mizoguchi H., Goto Y., Shimizu F., Wakebe H.,
RA   Hishigaki H., Watanabe T., Sugiyama A., Takemoto M., Kawakami B.,
RA   Yamazaki M., Watanabe K., Kumagai A., Itakura S., Fukuzumi Y., Fujimori Y.,
RA   Komiyama M., Tashiro H., Tanigami A., Fujiwara T., Ono T., Yamada K.,
RA   Fujii Y., Ozaki K., Hirao M., Ohmori Y., Kawabata A., Hikiji T.,
RA   Kobatake N., Inagaki H., Ikema Y., Okamoto S., Okitani R., Kawakami T.,
RA   Noguchi S., Itoh T., Shigeta K., Senba T., Matsumura K., Nakajima Y.,
RA   Mizuno T., Morinaga M., Sasaki M., Togashi T., Oyama M., Hata H.,
RA   Watanabe M., Komatsu T., Mizushima-Sugano J., Satoh T., Shirai Y.,
RA   Takahashi Y., Nakagawa K., Okumura K., Nagase T., Nomura N., Kikuchi H.,
RA   Masuho Y., Yamashita R., Nakai K., Yada T., Nakamura Y., Ohara O.,
RA   Isogai T., Sugano S.;
RT   "Complete sequencing and characterization of 21,243 full-length human
RT   cDNAs.";
RL   Nat. Genet. 36:40-45(2004).
RN   [4]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA   Mural R.J., Istrail S., Sutton G.G., Florea L., Halpern A.L., Mobarry C.M.,
RA   Lippert R., Walenz B., Shatkay H., Dew I., Miller J.R., Flanigan M.J.,
RA   Edwards N.J., Bolanos R., Fasulo D., Halldorsson B.V., Hannenhalli S.,
RA   Turner R., Yooseph S., Lu F., Nusskern D.R., Shue B.C., Zheng X.H.,
RA   Zhong F., Delcher A.L., Huson D.H., Kravitz S.A., Mouchard L., Reinert K.,
RA   Remington K.A., Clark A.G., Waterman M.S., Eichler E.E., Adams M.D.,
RA   Hunkapiller M.W., Myers E.W., Venter J.C.;
RL   Submitted (JUL-2005) to the EMBL/GenBank/DDBJ databases.
RN   [5]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1).
RC   TISSUE=Uterus;
RX   PubMed=15489334; DOI=10.1101/gr.2596504;
RG   The MGC Project Team;
RT   "The status, quality, and expansion of the NIH full-length cDNA project:
RT   the Mammalian Gene Collection (MGC).";
RL   Genome Res. 14:2121-2127(2004).
RN   [6]
RP   FUNCTION OF THE AP-2 COMPLEX IN CLATHRIN-MEDIATED ENDOCYTOSIS.
RX   PubMed=14745134; DOI=10.1247/csf.28.419;
RA   Nakatsu F., Ohno H.;
RT   "Adaptor protein complexes as the key regulators of protein sorting in the
RT   post-Golgi network.";
RL   Cell Struct. Funct. 28:419-429(2003).
RN   [7]
RP   FUNCTION OF THE AP-2 COMPLEX IN CLATHRIN-MEDIATED ENDOCYTOSIS.
RX   PubMed=15473838; DOI=10.1146/annurev.cellbio.20.010403.104543;
RA   Owen D.J., Collins B.M., Evans P.R.;
RT   "Adaptors for clathrin coats: structure and function.";
RL   Annu. Rev. Cell Dev. Biol. 20:153-191(2004).
RN   [8]
RP   FUNCTION OF THE AP-2 COMPLEX IN NON-CLATHRIN-DEPENDENT ENDOCYTOSIS.
RX   PubMed=19033387; DOI=10.1242/jcs.033522;
RA   Lau A.W., Chou M.M.;
RT   "The adaptor complex AP-2 regulates post-endocytic trafficking through the
RT   non-clathrin Arf6-dependent endocytic pathway.";
RL   J. Cell Sci. 121:4008-4017(2008).
RN   [9]
RP   PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-140, AND IDENTIFICATION BY
RP   MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RC   TISSUE=Cervix carcinoma;
RX   PubMed=18691976; DOI=10.1016/j.molcel.2008.07.007;
RA   Daub H., Olsen J.V., Bairlein M., Gnad F., Oppermann F.S., Korner R.,
RA   Greff Z., Keri G., Stemmann O., Mann M.;
RT   "Kinase-selective enrichment enables quantitative phosphoproteomics of the
RT   kinome across the cell cycle.";
RL   Mol. Cell 31:438-448(2008).
RN   [10]
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RX   PubMed=21269460; DOI=10.1186/1752-0509-5-17;
RA   Burkard T.R., Planyavsky M., Kaupe I., Breitwieser F.P., Buerckstuemmer T.,
RA   Bennett K.L., Superti-Furga G., Colinge J.;
RT   "Initial characterization of the human central proteome.";
RL   BMC Syst. Biol. 5:17-17(2011).
RN   [11]
RP   FUNCTION, INVOLVEMENT IN HHC3, VARIANTS HHC3 CYS-15; HIS-15 AND LEU-15, AND
RP   CHARACTERIZATION OF VARIANTS HHC3 CYS-15; HIS-15 AND LEU-15.
RX   PubMed=23222959; DOI=10.1038/ng.2492;
RA   Nesbit M.A., Hannan F.M., Howles S.A., Reed A.A., Cranston T.,
RA   Thakker C.E., Gregory L., Rimmer A.J., Rust N., Graham U., Morrison P.J.,
RA   Hunter S.J., Whyte M.P., McVean G., Buck D., Thakker R.V.;
RT   "Mutations in AP2S1 cause familial hypocalciuric hypercalcemia type 3.";
RL   Nat. Genet. 45:93-97(2013).
RN   [12]
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RC   TISSUE=Liver;
RX   PubMed=24275569; DOI=10.1016/j.jprot.2013.11.014;
RA   Bian Y., Song C., Cheng K., Dong M., Wang F., Huang J., Sun D., Wang L.,
RA   Ye M., Zou H.;
RT   "An enzyme assisted RP-RPLC approach for in-depth analysis of human liver
RT   phosphoproteome.";
RL   J. Proteomics 96:253-262(2014).
RN   [13]
RP   VARIANT HHC3 LEU-15.
RX   PubMed=24081735; DOI=10.1210/jc.2013-2571;
RA   Fujisawa Y., Yamaguchi R., Satake E., Ohtaka K., Nakanishi T., Ozono K.,
RA   Ogata T.;
RT   "Identification of AP2S1 mutation and effects of low calcium formula in an
RT   infant with hypercalcemia and hypercalciuria.";
RL   J. Clin. Endocrinol. Metab. 98:E2022-E2027(2013).
CC   -!- FUNCTION: Component of the adaptor protein complex 2 (AP-2). Adaptor
CC       protein complexes function in protein Transport via Transport vesicles
CC       in different membrane traffic pathways. Adaptor protein complexes are
CC       vesicle coat components and appear to be involved in cargo selection
CC       and vesicle formation. AP-2 is involved in clathrin-dependent
CC       endocytosis in which cargo proteins are incorporated into vesicles
CC       surrounded by clathrin (clathrin-coated vesicles, CCVs) which are
CC       destined for fusion with the early endosome. The clathrin lattice
CC       serves as a mechanical scaffold but is itself unable to bind directly
CC       to membrane components. Clathrin-associated adaptor protein (AP)
CC       complexes which can bind directly to both the clathrin lattice and to
CC       the lipid and protein components of membranes are considered to be the
CC       major clathrin adaptors contributing the CCV formation. AP-2 also
CC       serves as a cargo receptor to selectively sort the membrane proteins
CC       involved in receptor-mediated endocytosis. AP-2 seems to play a role in
CC       the recycling of synaptic vesicle membranes from the presynaptic
CC       surface. AP-2 recognizes Y-X-X-[FILMV] (Y-X-X-Phi) and [ED]-X-X-X-L-
CC       [LI] endocytosis signal motifs within the cytosolic tails of
CC       transmembrane cargo molecules. AP-2 may also play a role in maintaining
CC       normal post-endocytic trafficking through the ARF6-regulated, non-
CC       clathrin pathway. The AP-2 alpha and AP-2 sigma subunits are thought to
CC       contribute to the recognition of the [ED]-X-X-X-L-[LI] motif (By
CC       similarity). May also play a role in extracellular calcium homeostasis.
CC       {ECO:0000250, ECO:0000269|PubMed:14745134, ECO:0000269|PubMed:15473838,
CC       ECO:0000269|PubMed:19033387, ECO:0000269|PubMed:23222959}.
CC   -!- SUBUNIT: Adaptor protein complex 2 (AP-2) is a heterotetramer composed
CC       of two large adaptins (alpha-type subunit AP2A1 or AP2A2 and beta-type
CC       subunit AP2B1), a medium adaptin (mu-type subunit AP2M1) and a small
CC       adaptin (sigma-type subunit AP2S1).
CC   -!- INTERACTION:
CC       P53680; Q6PD74: AAGAB; NbExp=8; IntAct=EBI-297662, EBI-719906;
CC   -!- SUBCELLULAR LOCATION: Cell membrane. Membrane, coated pit; Peripheral
CC       membrane protein; Cytoplasmic side. Note=AP-2 appears to be excluded
CC       from internalizing CCVs and to disengage from sites of endocytosis
CC       seconds before internalization of the nascent CCV. {ECO:0000250}.
CC   -!- ALTERNATIVE PRODUCTS:
CC       Event=Alternative splicing; Named isoforms=2;
CC       Name=1;
CC         IsoId=P53680-1; Sequence=Displayed;
CC       Name=2;
CC         IsoId=P53680-2; Sequence=VSP_017352;
CC   -!- DISEASE: Hypocalciuric hypercalcemia, familial 3 (HHC3) [MIM:600740]: A
CC       form of hypocalciuric hypercalcemia, a disorder of mineral homeostasis
CC       that is transmitted as an autosomal dominant trait with a high degree
CC       of penetrance. It is characterized biochemically by lifelong elevation
CC       of serum calcium concentrations and is associated with inappropriately
CC       low urinary calcium excretion and a normal or mildly elevated
CC       circulating parathyroid hormone level. Hypermagnesemia is typically
CC       present. Affected individuals are usually asymptomatic and the disorder
CC       is considered benign. However, chondrocalcinosis and pancreatitis occur
CC       in some adults. {ECO:0000269|PubMed:23222959,
CC       ECO:0000269|PubMed:24081735}. Note=The disease is caused by variants
CC       affecting the gene represented in this entry.
CC   -!- SIMILARITY: Belongs to the adaptor complexes small subunit family.
CC       {ECO:0000305}.
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DR   EMBL; X97074; CAA65782.1; -; mRNA.
DR   EMBL; AJ010148; CAA09018.1; -; mRNA.
DR   EMBL; AJ010149; CAA09019.1; -; mRNA.
DR   EMBL; AK312003; BAG34941.1; -; mRNA.
DR   EMBL; CH471126; EAW57448.1; -; Genomic_DNA.
DR   EMBL; BC006337; AAH06337.1; -; mRNA.
DR   CCDS; CCDS12693.1; -. [P53680-2]
DR   CCDS; CCDS33062.1; -. [P53680-1]
DR   RefSeq; NP_001288005.1; NM_001301076.1.
DR   RefSeq; NP_001288007.1; NM_001301078.1.
DR   RefSeq; NP_001288010.1; NM_001301081.1.
DR   RefSeq; NP_004060.2; NM_004069.4. [P53680-1]
DR   RefSeq; NP_067586.1; NM_021575.3. [P53680-2]
DR   PDB; 6URI; X-ray; 3.00 A; S=1-142.
DR   PDBsum; 6URI; -.
DR   AlphaFoldDB; P53680; -.
DR   SMR; P53680; -.
DR   BioGRID; 107589; 89.
DR   ComplexPortal; CPX-5149; AP-2 Adaptor complex, alpha1 variant.
DR   ComplexPortal; CPX-5150; AP-2 Adaptor complex, alpha2 variant.
DR   IntAct; P53680; 49.
DR   MINT; P53680; -.
DR   STRING; 9606.ENSP00000263270; -.
DR   TCDB; 9.B.278.1.4; the organellar-targeting adaptor protein complex (o-apc) family.
DR   iPTMnet; P53680; -.
DR   PhosphoSitePlus; P53680; -.
DR   SwissPalm; P53680; -.
DR   BioMuta; AP2S1; -.
DR   DMDM; 51338780; -.
DR   EPD; P53680; -.
DR   jPOST; P53680; -.
DR   MassIVE; P53680; -.
DR   MaxQB; P53680; -.
DR   PaxDb; P53680; -.
DR   PeptideAtlas; P53680; -.
DR   PRIDE; P53680; -.
DR   ProteomicsDB; 56611; -. [P53680-1]
DR   ProteomicsDB; 56612; -. [P53680-2]
DR   TopDownProteomics; P53680-1; -. [P53680-1]
DR   Antibodypedia; 31506; 166 antibodies from 26 providers.
DR   DNASU; 1175; -.
DR   Ensembl; ENST00000263270.11; ENSP00000263270.6; ENSG00000042753.12. [P53680-1]
DR   Ensembl; ENST00000601649.1; ENSP00000470898.1; ENSG00000042753.12. [P53680-2]
DR   GeneID; 1175; -.
DR   KEGG; hsa:1175; -.
DR   MANE-Select; ENST00000263270.11; ENSP00000263270.6; NM_004069.6; NP_004060.2.
DR   UCSC; uc002pft.2; human. [P53680-1]
DR   CTD; 1175; -.
DR   DisGeNET; 1175; -.
DR   GeneCards; AP2S1; -.
DR   HGNC; HGNC:565; AP2S1.
DR   HPA; ENSG00000042753; Low tissue specificity.
DR   MalaCards; AP2S1; -.
DR   MIM; 600740; phenotype.
DR   MIM; 602242; gene.
DR   neXtProt; NX_P53680; -.
DR   OpenTargets; ENSG00000042753; -.
DR   Orphanet; 101050; Familial hypocalciuric hypercalcemia type 3.
DR   PharmGKB; PA24856; -.
DR   VEuPathDB; HostDB:ENSG00000042753; -.
DR   eggNOG; KOG0935; Eukaryota.
DR   GeneTree; ENSGT00970000193421; -.
DR   InParanoid; P53680; -.
DR   OMA; IYLSHIH; -.
DR   OrthoDB; 1307450at2759; -.
DR   PhylomeDB; P53680; -.
DR   TreeFam; TF300139; -.
DR   PathwayCommons; P53680; -.
DR   Reactome; R-HSA-167590; Nef Mediated CD4 Down-regulation.
DR   Reactome; R-HSA-177504; Retrograde neurotrophin signalling.
DR   Reactome; R-HSA-182218; Nef Mediated CD8 Down-regulation.
DR   Reactome; R-HSA-2132295; MHC class II antigen presentation.
DR   Reactome; R-HSA-3928665; EPH-ephrin mediated repulsion of cells.
DR   Reactome; R-HSA-416993; Trafficking of GluR2-containing AMPA receptors. [P53680-1]
DR   Reactome; R-HSA-437239; Recycling pathway of L1.
DR   Reactome; R-HSA-5099900; WNT5A-dependent internalization of FZD4.
DR   Reactome; R-HSA-5140745; WNT5A-dependent internalization of FZD2, FZD5 and ROR2.
DR   Reactome; R-HSA-8856825; Cargo recognition for clathrin-mediated endocytosis.
DR   Reactome; R-HSA-8856828; Clathrin-mediated endocytosis.
DR   Reactome; R-HSA-8866427; VLDLR internalisation and degradation.
DR   Reactome; R-HSA-8964038; LDL clearance.
DR   Reactome; R-HSA-9679191; Potential therapeutics for SARS.
DR   SignaLink; P53680; -.
DR   SIGNOR; P53680; -.
DR   BioGRID-ORCS; 1175; 591 hits in 1097 CRISPR screens.
DR   ChiTaRS; AP2S1; human.
DR   GeneWiki; AP2S1; -.
DR   GenomeRNAi; 1175; -.
DR   Pharos; P53680; Tbio.
DR   PRO; PR:P53680; -.
DR   Proteomes; UP000005640; Chromosome 19.
DR   RNAct; P53680; protein.
DR   Bgee; ENSG00000042753; Expressed in lower esophagus mucosa and 214 other tissues.
DR   ExpressionAtlas; P53680; baseline and differential.
DR   Genevisible; P53680; HS.
DR   GO; GO:0030122; C:AP-2 adaptor complex; TAS:UniProtKB.
DR   GO; GO:0045334; C:clathrin-coated endocytic vesicle; NAS:ARUK-UCL.
DR   GO; GO:0030669; C:clathrin-coated endocytic vesicle membrane; TAS:Reactome.
DR   GO; GO:0009898; C:cytoplasmic side of plasma membrane; IC:ComplexPortal.
DR   GO; GO:0005829; C:cytosol; TAS:Reactome.
DR   GO; GO:0030666; C:endocytic vesicle membrane; TAS:Reactome.
DR   GO; GO:0036020; C:endolysosome membrane; TAS:Reactome.
DR   GO; GO:0043231; C:intracellular membrane-bounded organelle; IBA:GO_Central.
DR   GO; GO:0005886; C:plasma membrane; TAS:Reactome.
DR   GO; GO:0098794; C:postsynapse; IEA:GOC.
DR   GO; GO:0035615; F:clathrin adaptor activity; IEA:InterPro.
DR   GO; GO:0048268; P:clathrin coat assembly; TAS:UniProtKB.
DR   GO; GO:0072583; P:clathrin-dependent endocytosis; TAS:BHF-UCL.
DR   GO; GO:0006886; P:intracellular protein transport; IEA:InterPro.
DR   GO; GO:0098884; P:postsynaptic neurotransmitter receptor internalization; IC:ComplexPortal.
DR   GO; GO:0030100; P:regulation of endocytosis; TAS:UniProtKB.
DR   GO; GO:0016192; P:vesicle-mediated transport; IBA:GO_Central.
DR   CDD; cd14833; AP2_sigma; 1.
DR   InterPro; IPR016635; AP_complex_ssu.
DR   InterPro; IPR022775; AP_mu_sigma_su.
DR   InterPro; IPR027156; APS2.
DR   InterPro; IPR000804; Clathrin_sm-chain_CS.
DR   InterPro; IPR011012; Longin-like_dom_sf.
DR   PANTHER; PTHR11753; PTHR11753; 1.
DR   PANTHER; PTHR11753:SF6; PTHR11753:SF6; 1.
DR   Pfam; PF01217; Clat_adaptor_s; 1.
DR   PIRSF; PIRSF015588; AP_complex_sigma; 1.
DR   SUPFAM; SSF64356; SSF64356; 1.
DR   PROSITE; PS00989; CLAT_ADAPTOR_S; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Alternative splicing; Cell membrane; Coated pit;
KW   Disease variant; Endocytosis; Membrane; Phosphoprotein; Protein transport;
KW   Reference proteome; Transport.
FT   CHAIN           1..142
FT                   /note="AP-2 complex subunit sigma"
FT                   /id="PRO_0000193804"
FT   MOD_RES         140
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:18691976"
FT   VAR_SEQ         52..89
FT                   /note="Missing (in isoform 2)"
FT                   /evidence="ECO:0000303|PubMed:9767099"
FT                   /id="VSP_017352"
FT   VARIANT         15
FT                   /note="R -> C (in HHC3; there is a rightward shift in
FT                   Ca(2+)concentration-response curves with the mutant
FT                   compared to wild-type, indicating a decrease in the
FT                   sensitivity of cells expressing CASR to extracellular
FT                   calcium; dbSNP:rs397514498)"
FT                   /evidence="ECO:0000269|PubMed:23222959,
FT                   ECO:0000269|PubMed:24081735"
FT                   /id="VAR_069570"
FT   VARIANT         15
FT                   /note="R -> H (in HHC3; there is a rightward shift in
FT                   Ca(2+)concentration-response curves with the mutant
FT                   compared to wild-type, indicating a decrease in the
FT                   sensitivity of cells expressing CASR to extracellular
FT                   calcium; dbSNP:rs397514499)"
FT                   /evidence="ECO:0000269|PubMed:23222959"
FT                   /id="VAR_069571"
FT   VARIANT         15
FT                   /note="R -> L (in HHC3; there is a rightward shift in
FT                   Ca(2+)concentration-response curves with the mutant
FT                   compared to wild-type, indicating a decrease in the
FT                   sensitivity of cells expressing CASR to extracellular
FT                   calcium; dbSNP:rs397514499)"
FT                   /evidence="ECO:0000269|PubMed:23222959,
FT                   ECO:0000269|PubMed:24081735"
FT                   /id="VAR_069572"
FT   CONFLICT        77
FT                   /note="N -> K (in Ref. 1; CAA65782 and 2; CAA09018)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        83
FT                   /note="A -> G (in Ref. 1; CAA65782 and 2; CAA09018)"
FT                   /evidence="ECO:0000305"
FT   STRAND          2..9
FT                   /evidence="ECO:0007829|PDB:6URI"
FT   STRAND          14..19
FT                   /evidence="ECO:0007829|PDB:6URI"
FT   HELIX           25..39
FT                   /evidence="ECO:0007829|PDB:6URI"
FT   STRAND          48..52
FT                   /evidence="ECO:0007829|PDB:6URI"
FT   STRAND          55..62
FT                   /evidence="ECO:0007829|PDB:6URI"
FT   STRAND          65..71
FT                   /evidence="ECO:0007829|PDB:6URI"
FT   HELIX           77..95
FT                   /evidence="ECO:0007829|PDB:6URI"
FT   HELIX           102..105
FT                   /evidence="ECO:0007829|PDB:6URI"
FT   HELIX           107..117
FT                   /evidence="ECO:0007829|PDB:6URI"
FT   HELIX           128..140
FT                   /evidence="ECO:0007829|PDB:6URI"
SQ   SEQUENCE   142 AA;  17018 MW;  CA3FD868C65AEDF6 CRC64;
     MIRFILIQNR AGKTRLAKWY MQFDDDEKQK LIEEVHAVVT VRDAKHTNFV EFRNFKIIYR
     RYAGLYFCIC VDVNDNNLAY LEAIHNFVEV LNEYFHNVCE LDLVFNFYKV YTVVDEMFLA
     GEIRETSQTK VLKQLLMLQS LE
 
 
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