- PDB-1qik: SPECIFIC CHEMICAL AND STRUCTURAL DAMAGE AT NINE TIME POINTS (POIN... -
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基本情報
登録情報
データベース: PDB / ID: 1qik
タイトル
SPECIFIC CHEMICAL AND STRUCTURAL DAMAGE AT NINE TIME POINTS (POINT H) CAUSED BY INTENSE SYNCHROTRON RADIATION TO TORPEDO CALIFORNICA ACETYLCHOLINESTERASE
要素
ACETYLCHOLINESTERASE
キーワード
HYDROLASE / RADIATION DAMAGE / TIME SERIES / DISULFIDE BOND / SERINE HYDROLASE / ALPHA/BETA HYDROLASE / NEUROTRANSMITTER CLEAVAGE / CATALYTIC TRIAD / GLYCOSYLATED PROTEIN
機能・相同性
機能・相同性情報
acetylcholine catabolic process in synaptic cleft / acetylcholinesterase / choline metabolic process / acetylcholinesterase activity / synaptic cleft / side of membrane / synapse / extracellular space / plasma membrane 類似検索 - 分子機能
Acetylcholinesterase, fish/snake / : / Cholinesterase / Carboxylesterase type B, conserved site / Carboxylesterases type-B signature 2. / Carboxylesterase type B, active site / Carboxylesterases type-B serine active site. / Carboxylesterase, type B / Carboxylesterase family / Alpha/Beta hydrolase fold, catalytic domain ...Acetylcholinesterase, fish/snake / : / Cholinesterase / Carboxylesterase type B, conserved site / Carboxylesterases type-B signature 2. / Carboxylesterase type B, active site / Carboxylesterases type-B serine active site. / Carboxylesterase, type B / Carboxylesterase family / Alpha/Beta hydrolase fold, catalytic domain / Alpha/Beta hydrolase fold / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta 類似検索 - ドメイン・相同性
解像度: 2.9→36.73 Å / Rfactor Rfree error: 0.007 / Data cutoff high rms absF: 1957105.54 / Isotropic thermal model: RESTRAINED / 交差検証法: THROUGHOUT / σ(F): 0 詳細: BULK SOLVENT MODEL USED. ONLY PARTIAL REFINEMENT DONE. ALL SIX CYSTEINE RESIDUES TAKING PART IN INTRACHAIN DISULFIDE LINKAGES, CYS 67-CYS 94, CYS 402- CYS 521 AND CYS 254-CYS 265, WERE ...詳細: BULK SOLVENT MODEL USED. ONLY PARTIAL REFINEMENT DONE. ALL SIX CYSTEINE RESIDUES TAKING PART IN INTRACHAIN DISULFIDE LINKAGES, CYS 67-CYS 94, CYS 402- CYS 521 AND CYS 254-CYS 265, WERE MODELED AND REFINED AS ALANINE RESIDUES. TCACHE IS A GLYCOPROTEIN OF MR = 65,000, WHICH CONTAINS THREE INTRACHAIN DISULFIDE BONDS. IN THE COURSE OF CRYOGENIC DATA COLLECTION ON TRIGONAL CRYSTALS OF TCACHE ON THE UNDULATOR BEAMLINE, ID14-EH4, AT THE ESRF IN GRENOBLE, IN PREPARATION FOR TIME-RESOLVED STUDIES, WE COLLECTED A SERIES OF NINE HIGH-QUALITY COMPLETE DATA SETS ON THE SAME CRYSTAL. DATA COLLECTION UTILIZED THE UNATTENUATED BEAM, AND THE DURATION PER DATA SET WAS CA. 19 MIN, FOR 3 H IN TOTAL, AT 100K. ELECTRON DENSITY MAPS WERE OBTAINED FOR EACH DATA SET BY ROUTINE REFINEMENT, STARTING FROM THE SAME MODEL OF NATIVE TCACHE. FOR RESULTS, SEE: HTTP://SGJS3.WEIZMANN.AC.IL/~KRYGER/RADIATION_DAMAGE (LOWER CASE!) THIS ENTRY IS THE 8TH TIME POINT (8 OF 9). SEE HTTP:// SGJS3.WEIZMANN.AC.IL/~KRYGER/RADIATION_DAMAGE (LOWER CASE!)