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データを開く
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基本情報
登録情報 | データベース: SASBDB / ID: SASDBR2 |
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![]() | Contactin-associated protein-like 2 (Caspr2) extracellular domains 1-1261.
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機能・相同性 | ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() 類似検索 - 分子機能 |
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![]() | ![]() タイトル: Structural Characterization of the Extracellular Domain of CASPR2 and Insights into Its Association with the Novel Ligand Contactin1. 著者: Eva N Rubio-Marrero / Gabriele Vincelli / Cy M Jeffries / Tanvir R Shaikh / Irene S Pakos / Fanomezana M Ranaivoson / Sventja von Daake / Borries Demeler / Antonella De Jaco / Guy Perkins / ...著者: Eva N Rubio-Marrero / Gabriele Vincelli / Cy M Jeffries / Tanvir R Shaikh / Irene S Pakos / Fanomezana M Ranaivoson / Sventja von Daake / Borries Demeler / Antonella De Jaco / Guy Perkins / Mark H Ellisman / Jill Trewhella / Davide Comoletti / ![]() ![]() ![]() ![]() 要旨: Contactin-associated protein-like 2 (CNTNAP2) encodes for CASPR2, a multidomain single transmembrane protein belonging to the neurexin superfamily that has been implicated in a broad range of human ...Contactin-associated protein-like 2 (CNTNAP2) encodes for CASPR2, a multidomain single transmembrane protein belonging to the neurexin superfamily that has been implicated in a broad range of human phenotypes including autism and language impairment. Using a combination of biophysical techniques, including small angle x-ray scattering, single particle electron microscopy, analytical ultracentrifugation, and bio-layer interferometry, we present novel structural and functional data that relate the architecture of the extracellular domain of CASPR2 to a previously unknown ligand, Contactin1 (CNTN1). Structurally, CASPR2 is highly glycosylated and has an overall compact architecture. Functionally, we show that CASPR2 associates with micromolar affinity with CNTN1 but, under the same conditions, it does not interact with any of the other members of the contactin family. Moreover, by using dissociated hippocampal neurons we show that microbeads loaded with CASPR2, but not with a deletion mutant, co-localize with transfected CNTN1, suggesting that CNTN1 is an endogenous ligand for CASPR2. These data provide novel insights into the structure and function of CASPR2, suggesting a complex role of CASPR2 in the nervous system. |
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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ダウンロードとリンク
-モデル
モデル #413 | ![]() タイプ: dummy / ソフトウェア: DAMMIN / ダミー原子の半径: 3.70 A / カイ2乗値: 0.594441 / P-value: 0.080000 ![]() |
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モデル #414 | ![]() タイプ: atomic / ソフトウェア: CRYSOL / ダミー原子の半径: 1.90 A / カイ2乗値: 0.867 / P-value: 0.030000 ![]() |
モデル #415 | ![]() タイプ: atomic / ソフトウェア: CORAL / ダミー原子の半径: 1.90 A / カイ2乗値: 0.7056 / P-value: 0.008000 ![]() |
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試料
![]() | 名称: Contactin-associated protein-like 2 (Caspr2) extracellular domains 1-1261. 試料濃度: 1.00-9.57 |
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バッファ | 名称: HEPES![]() |
要素 #272 | 名称: Caspr2 / タイプ: protein 記述: Contactin-associated protein-like 2 extracellular domains (1-1261) 分子量: 140.4 / 分子数: 1 / 由来: Homo sapiens / 参照: UniProt: Q9UHC6 配列: MQAAPRAGCG AALLLWIVSS CLCRAWTAPS TSQKCDEPLV SGLPHVAFSS SSSISGSYSP GYAKINKRGG AGGWSPSDSD HYQWLQVDFG NRKQISAIAT QGRYSSSDWV TQYRMLYSDT GRNWKPYHQD GNIWAFPGNI NSDGVVRHEL QHPIIARYVR IVPLDWNGEG ...配列: MQAAPRAGCG AALLLWIVSS CLCRAWTAPS TSQKCDEPLV SGLPHVAFSS SSSISGSYSP GYAKINKRGG AGGWSPSDSD HYQWLQVDFG NRKQISAIAT QGRYSSSDWV TQYRMLYSDT GRNWKPYHQD GNIWAFPGNI NSDGVVRHEL QHPIIARYVR IVPLDWNGEG RIGLRIEVYG CSYWADVINF DGHVVLPYRF RNKKMKTLKD VIALNFKTSE SEGVILHGEG QQGDYITLEL KKAKLVLSLN LGSNQLGPIY GHTSVMTGSL LDDHHWHSVV IERQGRSINL TLDRSMQHFR TNGEFDYLDL DYEITFGGIP FSGKPSSSSR KNFKGCMESI NYNGVNITDL ARRKKLEPSN VGNLSFSCVE PYTVPVFFNA TSYLEVPGRL NQDLFSVSFQ FRTWNPNGLL VFSHFADNLG NVEIDLTESK VGVHINITQT KMSQIDISSG SGLNDGQWHE VRFLAKENFA ILTIDGDEAS AVRTNSPLQV KTGEKYFFGG FLNQMNNSSH SVLQPSFQGC MQLIQVDDQL VNLYEVAQRK PGSFANVSID MCAIIDRCVP NHCEHGGKCS QTWDSFKCTC DETGYSGATC HNSIYEPSCE AYKHLGQTSN YYWIDPDGSG PLGPLKVYCN MTEDKVWTIV SHDLQMQTPV VGYNPEKYSV TQLVYSASMD QISAITDSAE YCEQYVSYFC KMSRLLNTPD GSPYTWWVGK ANEKHYYWGG SGPGIQKCAC GIERNCTDPK YYCNCDADYK QWRKDAGFLS YKDHLPVSQV VVGDTDRQGS EAKLSVGPLR CQGDRNYWNA ASFPNPSSYL HFSTFQGETS ADISFYFKTL TPWGVFLENM GKEDFIKLEL KSATEVSFSF DVGNGPVEIV VRSPTPLNDD QWHRVTAERN VKQASLQVDR LPQQIRKAPT EGHTRLELYS QLFVGGAGGQ QGFLGCIRSL RMNGVTLDLE ERAKVTSGFI SGCSGHCTSY GTNCENGGKC LERYHGYSCD CSNTAYDGTF CNKDVGAFFE EGMWLRYNFQ APATNARDSS SRVDNAPDQQ NSHPDLAQEE IRFSFSTTKA PCILLYISSF TTDFLAVLVK PTGSLQIRYN LGGTREPYNI DVDHRNMANG QPHSVNITRH EKTIFLKLDH YPSVSYHLPS SSDTLFNSPK SLFLGKVIET GKIDQEIHKY NTPGFTGCLS RVQFNQIAPL KAALRQTNAS AHVHIQGELV ESNCGASPLT LSPMSSATDP WHLDHLDSAS ADFPYNPGQG QAIRNGVNRN S |
-実験情報
ビーム | 設備名称: Anton Paar SAXSess / 地域: Salt Lake City, University of Utah / 国: USA ![]() ![]() ![]() | |||||||||||||||||||||||||||||||||
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検出器 | 名称: 2D position-sensitive image plates / Pixsize x: 42.3 mm | |||||||||||||||||||||||||||||||||
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