1w2m

Ca-substituted form of E. coli aminopeptidase P

Method: X-RAY DIFFRACTION Dmax: 190.8 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

SAXS profile for 1w2m

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1w2m
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1. 结构基本信息 1. Structure Basics

条目编号 entry_id1w2m
沉积日期 deposition_date2004-07-07
结构标题 titleCa-substituted form of E. coli aminopeptidase P
关键词 keywordsHYDROLASE, PROLINE-SPECIFIC PEPTIDASE, METALLOENZYME, PITA- BREAD FOLD, METALLOPROTEASE; HYDROLASE
实验方法 methodX-RAY DIFFRACTION

2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)

回转半径 Rg (Guinier) rg_guinier58.81
回转半径 Rg (电子) rg_electron59.51
零角强度 I(0) i01311530000.00
分子量 molecular_weight298270.0 kDa
排除体积 excluded_volume371410 ų
包络体积 envelope_volume555390 ų
水化壳体积 shell_volume82856 ų
包络直径 envelope_diameter212.0
壳层 Rg shell_rg55.33
包络 Rg envelope_rg58.76
形状 Rg shape_rg59.47
总 Rg total_rg59.52
总原子数 total_atoms20991
残基数 n_residues2629
球谐函数阶数 n_harmonics20
q 范围 q_range— – 0.5000 −1
数据点数 n_points101
壳层类型 shell_typedirectional
溶剂电子密度 solvent_density0.3340 e/ų
壳层衬度 contrast_shell0.0300 e/ų
CRYSOL 版本 crysol_version4.1.3

3. P(r) 距离分布 (GNOM 反演) 3. P(r) Analysis (GNOM)

最大尺寸 Dmax dmax190.8
Rg (实空间) rg_real59.41
Rg 误差 (实空间) rg_real_error1.99
I(0) (实空间) i0_real1.3110e+09
I(0) 误差 (实空间) i0_real_error2.8410e+07
Rg (倒空间) rg_reciprocal58.26
I(0) (倒空间) i0_reciprocal1309000000.0000
解质量估计 total_estimate0.7999
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary49.5
偏度 Skewness skewness0.507
峰度 Kurtosis kurtosis-0.501
角度范围 angular_range— – 0.1350 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha68730000.0000
实空间数据点数 n_real_points28
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.824; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.857; Smooth: 0.067

4. 晶体学与实验 4. Crystallography & Experiment

5. 实体与聚合体信息 (5)

6. 折叠分类 (SCOP + CATH) 24 domains

SCOP 2.08 (12 domains)

结构域编号 domain_idd1w2ma1
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.55 — Ribonuclease H-like motif
超家族 Superfamily superfamilyc.55.2 — Creatinase/prolidase N-terminal domain
家族 Family familyc.55.2.1 — Creatinase/prolidase N-terminal domain
结构域编号 domain_idd1w2ma2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.127 — Creatinase/aminopeptidase
超家族 Superfamily superfamilyd.127.1 — Creatinase/aminopeptidase
家族 Family familyd.127.1.1 — Creatinase/aminopeptidase
结构域编号 domain_idd1w2mb1
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.55 — Ribonuclease H-like motif
超家族 Superfamily superfamilyc.55.2 — Creatinase/prolidase N-terminal domain
家族 Family familyc.55.2.1 — Creatinase/prolidase N-terminal domain
结构域编号 domain_idd1w2mb2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.127 — Creatinase/aminopeptidase
超家族 Superfamily superfamilyd.127.1 — Creatinase/aminopeptidase
家族 Family familyd.127.1.1 — Creatinase/aminopeptidase
结构域编号 domain_idd1w2mc1
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.55 — Ribonuclease H-like motif
超家族 Superfamily superfamilyc.55.2 — Creatinase/prolidase N-terminal domain
家族 Family familyc.55.2.1 — Creatinase/prolidase N-terminal domain
结构域编号 domain_idd1w2mc2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.127 — Creatinase/aminopeptidase
超家族 Superfamily superfamilyd.127.1 — Creatinase/aminopeptidase
家族 Family familyd.127.1.1 — Creatinase/aminopeptidase
结构域编号 domain_idd1w2md1
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.55 — Ribonuclease H-like motif
超家族 Superfamily superfamilyc.55.2 — Creatinase/prolidase N-terminal domain
家族 Family familyc.55.2.1 — Creatinase/prolidase N-terminal domain
结构域编号 domain_idd1w2md2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.127 — Creatinase/aminopeptidase
超家族 Superfamily superfamilyd.127.1 — Creatinase/aminopeptidase
家族 Family familyd.127.1.1 — Creatinase/aminopeptidase
结构域编号 domain_idd1w2me1
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.55 — Ribonuclease H-like motif
超家族 Superfamily superfamilyc.55.2 — Creatinase/prolidase N-terminal domain
家族 Family familyc.55.2.1 — Creatinase/prolidase N-terminal domain
结构域编号 domain_idd1w2me2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.127 — Creatinase/aminopeptidase
超家族 Superfamily superfamilyd.127.1 — Creatinase/aminopeptidase
家族 Family familyd.127.1.1 — Creatinase/aminopeptidase
结构域编号 domain_idd1w2mf1
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.55 — Ribonuclease H-like motif
超家族 Superfamily superfamilyc.55.2 — Creatinase/prolidase N-terminal domain
家族 Family familyc.55.2.1 — Creatinase/prolidase N-terminal domain
结构域编号 domain_idd1w2mf2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.127 — Creatinase/aminopeptidase
超家族 Superfamily superfamilyd.127.1 — Creatinase/aminopeptidase
家族 Family familyd.127.1.1 — Creatinase/aminopeptidase

CATH v4.4 (12 domains)

结构域编号 domain_id1w2mA01
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology350 — Creatine Amidinohydrolase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily10 — Creatinase/prolidase N-terminal domain
结构域编号 domain_id1w2mA02
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology230 — Creatine Amidinohydrolase
同源超家族 H-superfamily homologous superfamily10 — Creatinase/methionine aminopeptidase superfamily
结构域编号 domain_id1w2mB01
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology350 — Creatine Amidinohydrolase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily10 — Creatinase/prolidase N-terminal domain
结构域编号 domain_id1w2mB02
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology230 — Creatine Amidinohydrolase
同源超家族 H-superfamily homologous superfamily10 — Creatinase/methionine aminopeptidase superfamily
结构域编号 domain_id1w2mC01
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology350 — Creatine Amidinohydrolase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily10 — Creatinase/prolidase N-terminal domain
结构域编号 domain_id1w2mC02
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology230 — Creatine Amidinohydrolase
同源超家族 H-superfamily homologous superfamily10 — Creatinase/methionine aminopeptidase superfamily
结构域编号 domain_id1w2mD01
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology350 — Creatine Amidinohydrolase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily10 — Creatinase/prolidase N-terminal domain
结构域编号 domain_id1w2mD02
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology230 — Creatine Amidinohydrolase
同源超家族 H-superfamily homologous superfamily10 — Creatinase/methionine aminopeptidase superfamily
结构域编号 domain_id1w2mE01
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology350 — Creatine Amidinohydrolase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily10 — Creatinase/prolidase N-terminal domain
结构域编号 domain_id1w2mE02
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology230 — Creatine Amidinohydrolase
同源超家族 H-superfamily homologous superfamily10 — Creatinase/methionine aminopeptidase superfamily
结构域编号 domain_id1w2mF01
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology350 — Creatine Amidinohydrolase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily10 — Creatinase/prolidase N-terminal domain
结构域编号 domain_id1w2mF02
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology230 — Creatine Amidinohydrolase
同源超家族 H-superfamily homologous superfamily10 — Creatinase/methionine aminopeptidase superfamily

7. 引用文献 (1)

8. 文件与曲线 (10)