1qvi

;Crystal structure of scallop myosin S1 in the pre-power stroke state to 2.6 Angstrom resolution: flexibility and function in the head ;

Method: X-RAY DIFFRACTION Dmax: 170.7 Å Quality: REASONABLE

SAXS 散射曲线 SAXS Profile

SAXS profile for 1qvi

P(r) 距离分布 P(r) Distribution

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

条目编号 entry_id1qvi
沉积日期 deposition_date2003-08-27
结构标题 title;Crystal structure of scallop myosin S1 in the pre-power stroke state to 2.6 Angstrom resolution: flexibility and function in the head ;
关键词 keywords;scallop myosin subfragment-1 (S1), pre-power stroke state, pliant region, internally-uncoupled state, SH1 helix, CONTRACTILE PROTEIN ;; CONTRACTILE PROTEIN
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_guinier45.14
回转半径 Rg (电子) rg_electron46.55
零角强度 I(0) i0234597000.00
分子量 molecular_weight124930.0 kDa
排除体积 excluded_volume156300 ų
包络体积 envelope_volume223360 ų
水化壳体积 shell_volume44914 ų
包络直径 envelope_diameter184.1
壳层 Rg shell_rg43.78
包络 Rg envelope_rg47.63
形状 Rg shape_rg46.52
总 Rg total_rg46.51
总原子数 total_atoms8774
残基数 n_residues1102
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 dmax170.7
Rg (实空间) rg_real46.16
Rg 误差 (实空间) rg_real_error2.49
I(0) (实空间) i0_real2.3460e+08
I(0) 误差 (实空间) i0_real_error4.6620e+06
Rg (倒空间) rg_reciprocal45.15
I(0) (倒空间) i0_reciprocal234300000.0000
解质量估计 total_estimate0.6769
解质量评级 solution_quality REASONABLE a REASONABLE solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary34.1
偏度 Skewness skewness0.769
峰度 Kurtosis kurtosis-0.022
角度范围 angular_range— – 0.1750 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha27170000.0000
实空间数据点数 n_real_points36
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.333; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.165; Smooth: 0.632

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

5. 实体与聚合体信息 (8)

6. 折叠分类 (SCOP + CATH) 11 domains

SCOP 2.08 (4 domains)

结构域编号 domain_idd1qvia1
类 Class classb — All beta proteins
折叠类型 Fold foldb.34 — SH3-like barrel
超家族 Superfamily superfamilyb.34.3 — Myosin S1 fragment, N-terminal domain
家族 Family familyb.34.3.1 — Myosin S1 fragment, N-terminal domain
结构域编号 domain_idd1qvia2
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
超家族 Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
家族 Family familyc.37.1.9 — Motor proteins
结构域编号 domain_idd1qviy_
类 Class classa — All alpha proteins
折叠类型 Fold folda.39 — EF Hand-like
超家族 Superfamily superfamilya.39.1 — EF-hand
家族 Family familya.39.1.5 — Calmodulin-like
结构域编号 domain_idd1qviz_
类 Class classa — All alpha proteins
折叠类型 Fold folda.39 — EF Hand-like
超家族 Superfamily superfamilya.39.1 — EF-hand
家族 Family familya.39.1.5 — Calmodulin-like

CATH v4.4 (7 domains)

结构域编号 domain_id1qviA01
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
同源超家族 H-superfamily homologous superfamily720 — Myosin VI head, motor domain, U50 subdomain
结构域编号 domain_id1qviA02
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
同源超家族 H-superfamily homologous superfamily530
结构域编号 domain_id1qviA03
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology70 — Alpha-Beta Plaits
同源超家族 H-superfamily homologous superfamily1590
结构域编号 domain_id1qviY01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology238 — Recoverin; domain 1
同源超家族 H-superfamily homologous superfamily10 — EF-hand
结构域编号 domain_id1qviY02
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology238 — Recoverin; domain 1
同源超家族 H-superfamily homologous superfamily10 — EF-hand
结构域编号 domain_id1qviZ01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology238 — Recoverin; domain 1
同源超家族 H-superfamily homologous superfamily10 — EF-hand
结构域编号 domain_id1qviZ02
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology238 — Recoverin; domain 1
同源超家族 H-superfamily homologous superfamily10 — EF-hand

7. 引用文献 (1)

8. 文件与曲线 (10)