1tb6

2.5A Crystal Structure of the Antithrombin-Thrombin-Heparin Ternary Complex

Method: X-RAY DIFFRACTION Dmax: 108.6 Å Quality: GOOD

1. 蛋白身份与相关结构 Protein Identity & Related Structures

thrombin

Homo sapiens

UniProt P00734

当前结构中的状态

Assembly 聚集状态 构建体 突变与修饰 配体、离子与共同组分 实验方法与环境 结构质量
1 其他组合 异源复合物 蛋白 × 3 其他聚合物 4 PDB 声明:trimeric(3) 与蛋白拷贝数一致 链 H; UniProt 364–622 链 L; UniProt 315–363 片段:thrombin light chain 突变:S195A 片段:thrombin heavy chain, serine protease Antithrombin-III × 1 (P01008) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ;2,3,4,6-tetra-O-sulfonato-alpha-D-glucopyranose-(1-4)-2,3,6-tri-O-sulfo-alpha-D-glucopyranose-(1-4)-2,3,6-tri-O-sulfonato-beta-D-glucopyranose-(1-4)-2,3-di-O-methyl-6-O-sulfonato-alpha-D-glucopyranose-(1-4)-2,3,6-tri-O-methyl-beta-D-glucopyranose-(1-4)-2,3,6-tri-O-methyl-alpha-D-glucopyranose-(1-4)-2,3,6-tri-O-methyl-beta-D-glucopyranose-(1-4)-2,3,6-tri-O-methyl-alpha-D-glucopyranose-(1-4)-2,3,6-tri-O-methyl-beta-D-glucopyranose-(1-4)-2,3,6-tri-O-methyl-alpha-D-glucopyranose-(1-4)-2,3,6-tri-O-methyl-beta-D-glucopyranose-(1-4)-2,3-di-O-methyl-6-O-sulfonato-alpha-D-glucopyranose-(1-4)-2,3-di-O-methyl-beta-D-glucopyranuronic acid-(1-4)-2,3,6-tri-O-sulfo-alpha-D-glucopyranose-(1-4)-2,3-di-O-methyl-alpha-L-idopyranuronic acid-(1-4)-methyl 3-O-methyl-2,6-di-O-sulfo-alpha-D-glucopyranoside ; × 1 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 8 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;pH 7.4;296 K;PEG 3350, lithium citrate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 296K 分辨率 2.50 Å R-free 0.245

数据库中的同蛋白其他状态

以下每一行都是同一 UniProt 蛋白在另一个 PDB 条目中的 biological assembly, “相对当前条目”直接指出证据层面的不同;没有差异标签表示当前已读取字段一致。

共 475 个其他 PDB 条目、564 个 assembly。 打开独立比较页并筛选聚集状态

查看构建体与数据证据
UniProt名称 THRB_HUMAN
Isoform
PDB实体 1, 2
链与序列区间 作者链 L; PDB构建体 1–49; UniProt 315–363 作者链 H; PDB构建体 1–259; UniProt 364–622

Antithrombin-III

Homo sapiens

UniProt P01008

当前结构中的状态

Assembly 聚集状态 构建体 突变与修饰 配体、离子与共同组分 实验方法与环境 结构质量
1 其他组合 异源复合物 蛋白 × 3 其他聚合物 4 PDB 声明:trimeric(3) 与蛋白拷贝数一致 链 I; UniProt 33–464 突变:S137A,V317C,T401C thrombin × 1 (P00734) thrombin × 1 (P00734) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ;2,3,4,6-tetra-O-sulfonato-alpha-D-glucopyranose-(1-4)-2,3,6-tri-O-sulfo-alpha-D-glucopyranose-(1-4)-2,3,6-tri-O-sulfonato-beta-D-glucopyranose-(1-4)-2,3-di-O-methyl-6-O-sulfonato-alpha-D-glucopyranose-(1-4)-2,3,6-tri-O-methyl-beta-D-glucopyranose-(1-4)-2,3,6-tri-O-methyl-alpha-D-glucopyranose-(1-4)-2,3,6-tri-O-methyl-beta-D-glucopyranose-(1-4)-2,3,6-tri-O-methyl-alpha-D-glucopyranose-(1-4)-2,3,6-tri-O-methyl-beta-D-glucopyranose-(1-4)-2,3,6-tri-O-methyl-alpha-D-glucopyranose-(1-4)-2,3,6-tri-O-methyl-beta-D-glucopyranose-(1-4)-2,3-di-O-methyl-6-O-sulfonato-alpha-D-glucopyranose-(1-4)-2,3-di-O-methyl-beta-D-glucopyranuronic acid-(1-4)-2,3,6-tri-O-sulfo-alpha-D-glucopyranose-(1-4)-2,3-di-O-methyl-alpha-L-idopyranuronic acid-(1-4)-methyl 3-O-methyl-2,6-di-O-sulfo-alpha-D-glucopyranoside ; × 1 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 8 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;pH 7.4;296 K;PEG 3350, lithium citrate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 296K 分辨率 2.50 Å R-free 0.245

数据库中的同蛋白其他状态

以下每一行都是同一 UniProt 蛋白在另一个 PDB 条目中的 biological assembly, “相对当前条目”直接指出证据层面的不同;没有差异标签表示当前已读取字段一致。

共 26 个其他 PDB 条目、43 个 assembly。 打开独立比较页并筛选聚集状态

查看构建体与数据证据
UniProt名称 ANT3_HUMAN
Isoform
PDB实体 3
链与序列区间 作者链 I; PDB构建体 1–432; UniProt 33–464

页面优先展示蛋白身份、当前 assembly、共同组分、聚集状态和跨 PDB 结构链接。 链映射与序列区间收在“数据证据”中;数据库内部编号、导入时间和 assembly 操作表达式仅用于维护,因此不在读者页面展示。

SAXS 散射曲线 SAXS Profile

SAXS profile for 1tb6

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1tb6
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2. 结构基本信息 2. Structure Basics

条目编号 entry_id1tb6
沉积日期 deposition_date2004-05-19
结构标题 title2.5A Crystal Structure of the Antithrombin-Thrombin-Heparin Ternary Complex
关键词 keywordsHeparin, HYDROLASE-BLOOD CLOTTING COMPLEX; HYDROLASE/BLOOD CLOTTING
实验方法 methodX-RAY DIFFRACTION

3. SAXS 参数 (CRYSOL 理论计算) 3. SAXS Parameters (CRYSOL)

回转半径 Rg (Guinier) rg_guinier33.17
回转半径 Rg (电子) rg_electron32.82
零角强度 I(0) i0121905000.00
分子量 molecular_weight88398.0 kDa
排除体积 excluded_volume110690 ų
包络体积 envelope_volume137260 ų
水化壳体积 shell_volume36385 ų
包络直径 envelope_diameter117.5
壳层 Rg shell_rg37.98
包络 Rg envelope_rg32.58
形状 Rg shape_rg32.82
总 Rg total_rg33.24
总原子数 total_atoms6178
残基数 n_residues657
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

4. P(r) 距离分布 (GNOM 反演) 4. P(r) Analysis (GNOM)

最大尺寸 Dmax dmax108.6
Rg (实空间) rg_real33.44
Rg 误差 (实空间) rg_real_error0.88
I(0) (实空间) i0_real1.2190e+08
I(0) 误差 (实空间) i0_real_error1.9860e+06
Rg (倒空间) rg_reciprocal33.33
I(0) (倒空间) i0_reciprocal121900000.0000
解质量估计 total_estimate0.8477
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary29.4
偏度 Skewness skewness0.461
峰度 Kurtosis kurtosis-0.490
角度范围 angular_range— – 0.2400 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha39750000.0000
实空间数据点数 n_real_points49
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.813; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.860; Smooth: 0.716

5. 晶体学与实验 5. Crystallography & Experiment

6. 实体与聚合物信息 Entities & Polymers (10)

7. 折叠分类 (SCOP + CATH) 7 domains

SCOP 2.08 (2 domains)

结构域编号 domain_idd1tb6.1
类 Class classb — All beta proteins
折叠类型 Fold foldb.47 — Trypsin-like serine proteases
超家族 Superfamily superfamilyb.47.1 — Trypsin-like serine proteases
家族 Family familyb.47.1.2 — Eukaryotic proteases
结构域编号 domain_idd1tb6i_
类 Class classe — Multi-domain proteins (alpha and beta)
折叠类型 Fold folde.1 — Serpins
超家族 Superfamily superfamilye.1.1 — Serpins
家族 Family familye.1.1.1 — Serpins

CATH v4.4 (5 domains)

结构域编号 domain_id1tb6H01
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology10 — Thrombin, subunit H
同源超家族 H-superfamily homologous superfamily10 — Trypsin-like serine proteases
结构域编号 domain_id1tb6H02
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology10 — Thrombin, subunit H
同源超家族 H-superfamily homologous superfamily10 — Trypsin-like serine proteases
结构域编号 domain_id1tb6I01
类 Class class2 — Mainly Beta
架构 Architecture architecture30 — Roll
拓扑 Topology topology39 — Alpha-1-antitrypsin; domain 1
同源超家族 H-superfamily homologous superfamily10 — Alpha-1-antitrypsin, domain 1
结构域编号 domain_id1tb6I02
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology497 — Antithrombin; Chain I, domain 2
同源超家族 H-superfamily homologous superfamily10 — Antithrombin, subunit I, domain 2
结构域编号 domain_id1tb6L00
类 Class class4 — Few Secondary Structures
架构 Architecture architecture10 — Irregular
拓扑 Topology topology140 — Epsilon-Thrombin; Chain L
同源超家族 H-superfamily homologous superfamily10 — Thrombin light chain domain

8. 引用文献 (1)

9. 文件与曲线 (10)