SHEET SHEET B1 OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REPRESENT THIS FEATURE IN THE SHEET ...SHEET SHEET B1 OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, TWO SHEETS *B1A* AND *B1B* ARE DEFINED. STRANDS 5, 6, 7, 8, 9, AND 10 OF B1A ARE IDENTICAL TO STRANDS 2, 3, 4, 5, 6, AND 7 OF B1B, RESPECTIVELY.
IN THIS ENZYME CO 262 IS SUBSTITUTED FOR THE ZINC ION FOUND IN NATIVE CARBONIC ANHYDRASE. ...IN THIS ENZYME CO 262 IS SUBSTITUTED FOR THE ZINC ION FOUND IN NATIVE CARBONIC ANHYDRASE. BICARBONATE IS COMPLEXED WITH THE ENZYME.
配列の詳細
RESIDUES 125 AND 127 ARE ADJACENT IN THE SEQUENCE.
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実験情報
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実験
実験
手法: X線回折
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試料調製
結晶
マシュー密度: 2.15 Å3/Da / 溶媒含有率: 42.89 %
結晶化
詳細: CRYSTALLIZED IN 50 MM TRIS-HC1 2.4 M AMMONIUM SULFATE PH 8. 5 AND 1 MM HGC12 AT 4 DEG C (TILANDER, B., STRANDBERG, B. & FRIDBORG, K. (1965). CRYSTAL STRUCTURE ON HUMAN ERYTHROCYTIC CARBONIC ...詳細: CRYSTALLIZED IN 50 MM TRIS-HC1 2.4 M AMMONIUM SULFATE PH 8. 5 AND 1 MM HGC12 AT 4 DEG C (TILANDER, B., STRANDBERG, B. & FRIDBORG, K. (1965). CRYSTAL STRUCTURE ON HUMAN ERYTHROCYTIC CARBONIC ANHYDRASE C. J. MOL. BIOL. 12, 740-760). THE MERCURY IS SUBSEQUENTLY REMOVED BY MERCAPTOETHANOL AND THE ZINC ION WITH DIPICOLINATE. AFTER INSERTION OF COBALT (II), THE CRYSTALS ARE SOAKED IN 0.25 M BICARBONATE 3M AMMONIUM SULFATE 50 MM TRIS-HC1 PH 8.1 OVERNIGHT. THE PROCEDURE IS DESCRIBED IN DETAIL IN THE PAPER MENTIONED ABOVE.
結晶化
*PLUS
pH: 8.5 / 手法: microdialysis
溶液の組成
*PLUS
ID
濃度
一般名
Crystal-ID
Sol-ID
化学式
1
2.4M
ammoniumsulfate
1
1
2
50mM
Tris-HCl
1
1
3
1mM
1
1
HgCl2
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データ収集
反射
*PLUS
最高解像度: 1.88 Å / 最低解像度: 3.42 Å / Num. all: 20352 / Num. obs: 17858 / % possible obs: 87.7 % / Num. measured all: 50143 / Rmerge(I) obs: 0.067
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解析
ソフトウェア
名称: PROFFT / 分類: 精密化
精密化
解像度: 1.88→10 Å / σ(F): 0 /
Rfactor
反射数
obs
0.16
17858
精密化ステップ
サイクル: LAST / 解像度: 1.88→10 Å
タンパク質
核酸
リガンド
溶媒
全体
原子数
2079
0
5
217
2301
拘束条件
Refine-ID
タイプ
Dev ideal
Dev ideal target
X-RAY DIFFRACTION
p_bond_d
0.02
0.02
X-RAY DIFFRACTION
p_angle_d
0.037
0.03
X-RAY DIFFRACTION
p_angle_deg
X-RAY DIFFRACTION
p_planar_d
0.047
0.05
X-RAY DIFFRACTION
p_hb_or_metal_coord
X-RAY DIFFRACTION
p_mcbond_it
0.96
1
X-RAY DIFFRACTION
p_mcangle_it
1.553
1.5
X-RAY DIFFRACTION
p_scbond_it
1.964
1.5
X-RAY DIFFRACTION
p_scangle_it
3.053
2
X-RAY DIFFRACTION
p_plane_restr
0.018
0.02
X-RAY DIFFRACTION
p_chiral_restr
0.229
0.15
X-RAY DIFFRACTION
p_singtor_nbd
0.161
0.2
X-RAY DIFFRACTION
p_multtor_nbd
0.159
0.2
X-RAY DIFFRACTION
p_xhyhbond_nbd
0.155
0.2
X-RAY DIFFRACTION
p_xyhbond_nbd
X-RAY DIFFRACTION
p_planar_tor
3.4
3
X-RAY DIFFRACTION
p_staggered_tor
16.4
15
X-RAY DIFFRACTION
p_orthonormal_tor
30.7
20
X-RAY DIFFRACTION
p_transverse_tor
X-RAY DIFFRACTION
p_special_tor
精密化
*PLUS
最高解像度: 1.88 Å / 最低解像度: 10 Å / Num. reflection all: 17858 / σ(F): 0 / Rfactor all: 0.16