ANTIPAIN HYDROCHLORIDE IS A REVERSIBLE INHIBITOR OF SERINE/CYSTEINE PROTEASES AND SOME TRYPSIN-LIKE ...ANTIPAIN HYDROCHLORIDE IS A REVERSIBLE INHIBITOR OF SERINE/CYSTEINE PROTEASES AND SOME TRYPSIN-LIKE SERINE PROTEASES. ITS ACTION RESEMBLES LEUPEPTIN; HOWEVER, ITS PLASMIN INHIBITION IS LESS AND ITS CATHEPSIN A INHIBITION IS MORE THAN THAT OBSERVED WITH LEUPEPTIN. IT IS AN INHIBITOR OF TRYPSIN-LIKE PROTEASES (E.G. TRYPSIN, PAPAIN, CATHEPSIN B); CATHEPSIN A, A CARBOXYPEPTIDASE IS INHIBITED TOO, WHICH IS NOT TRUE FOR OTHER INHIBITORS FROM ACTINOMYCES.THE NAME IS DERIVED FROM ANTI-PAPAIN. GROUP: 1 NAME: ANTIPAIN CHAIN: B COMPONENT_1: PEPTIDE LIKE SEQUENCE RESIDUES 1 TO 4 DESCRIPTION: ANTIPAIN FORMS A COVALENT LINKAGE BETWEEN THE ARGINAL RESIDUE OF THE INHIBITOR AND SER RESIDUE OF THE PROTEIN.THE PROTEASE INHIBITOR ANTIPAIN INCREASES THE EFFECTIVENESSOF UV IRRADIATION ON CESSATION OF RESPIRATION AND CELL KILLING IN ESCHERICHIA COLI B/R CULTURES WITHOUT AFFECTING EXCISION OF PYRIMIDINE DIMERS. THE ACTIONS ARE SIMILAR TO THOSE CAUSED BY CYCLIC AMP IN IRRADIATED CULTURES. ENGINEERED RESIDUE IN CHAIN A, PHE 25 TO LEU
Has protein modification
Y
非ポリマーの詳細
CHLORINE ION (CL): NA
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実験情報
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実験
実験
手法: X線回折 / 使用した結晶の数: 1
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試料調製
結晶
マシュー密度: 4.2 Å3/Da / 溶媒含有率: 71 % / 解説: NONE
結晶化
pH: 4.2 詳細: PROTEIN WAS DIALYZED INTO 50 MM TRIS, PH 8.0 AND INCUBATED WITH 10 MM ANTIPAIN FOR 30 MINS. THIS WAS MIXED IN A 1:1 RATIO WITH 25% 1,2 PROPANEDIOL, 10% GLYCEROL, 5 % PEG300 AND 0.1 M PHOSPHATE CITRATE, PH 4.2
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データ収集
回折
ID
平均測定温度 (K)
Crystal-ID
1
103
1
2
103
1
放射光源
由来
サイト
ビームライン
タイプ
ID
波長
回転陽極
RIGAKU MICROMAX-007
1
1.541
シンクロトロン
ESRF
BM14
2
1.005
検出器
タイプ
ID
検出器
日付
詳細
MARRESEARCH
1
IMAGE PLATE
2008年6月10日
MIRRORS
MARRESEARCH
2
CCD
放射
ID
モノクロメーター
プロトコル
単色(M)・ラウエ(L)
散乱光タイプ
Wavelength-ID
1
GRAPHITE
SINGLEWAVELENGTH
M
x-ray
1
2
M
x-ray
1
放射波長
ID
波長 (Å)
相対比
1
1.541
1
2
1.005
1
反射
解像度: 1.65→32 Å / Num. obs: 167772 / % possible obs: 98.4 % / Observed criterion σ(I): 1.5 / 冗長度: 3.3 % / Biso Wilson estimate: 29.5 Å2 / Rmerge(I) obs: 0.06 / Net I/σ(I): 8.8
反射 シェル
解像度: 1.65→1.71 Å / 冗長度: 3 % / Rmerge(I) obs: 0.46 / Mean I/σ(I) obs: 1.7 / % possible all: 100
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解析
ソフトウェア
名称
バージョン
分類
REFMAC
5.5.0102
精密化
d*TREK
データ削減
SCALA
データスケーリング
autoSHARP
位相決定
SHELXCD
位相決定
SHELXD
位相決定
精密化
構造決定の手法: 単波長異常分散 開始モデル: NONE 解像度: 1.65→117.851 Å / Cor.coef. Fo:Fc: 0.981 / Cor.coef. Fo:Fc free: 0.971 / SU B: 3.558 / SU ML: 0.051 / 交差検証法: THROUGHOUT / ESU R: 0.066 / ESU R Free: 0.064 / 立体化学のターゲット値: MAXIMUM LIKELIHOOD 詳細: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. RESIDUES 1-9 AND 731 ARE DISORDERED.
Rfactor
反射数
%反射
Selection details
Rfree
0.178
8321
5.08 %
RANDOM
Rwork
0.1403
-
-
-
obs
0.142
167169
98.007 %
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溶媒の処理
イオンプローブ半径: 0.8 Å / VDWプローブ半径: 1.4 Å / 溶媒モデル: BABINET MODEL PLUS MASK