3kcg

Crystal structure of the antithrombin-factor IXa-pentasaccharide complex

Method: X-RAY DIFFRACTION
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1. 蛋白身份与相关结构 Protein Identity & Related Structures

Coagulation factor IXa light chain

Homo sapiens

UniProt P00740

当前结构中的状态

Assembly 物理组成 蛋白状态 分子拷贝数 共同组分 数据核对
1 其他组合 异源复合物 蛋白 3 其他聚合物 4 Antithrombin-III × 1 (P01008) alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ;3,4-di-O-methyl-2,6-di-O-sulfo-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)-3-O-methyl-2-O-sulfo-alpha-L-idopyranuronic acid-(1-4)-methyl 2,3,6-tri-O-sulfo-alpha-D-glucopyranoside ; × 1 CALCIUM ION × 1 (4S)-2-METHYL-2,4-PENTANEDIOL × 2 water × 3 与蛋白数一致

数据库中的同蛋白其他状态

查看构建体与数据证据
UniProt名称 FA9_HUMAN
Isoform —
PDB实体 1, 2
链与序列区间 作者链 L; PDB构建体 2–59; UniProt 131–188 作者链 H; PDB构建体 1–235; UniProt 227–461

Antithrombin-III

Homo sapiens

UniProt P01008

当前结构中的状态

Assembly 物理组成 蛋白状态 分子拷贝数 共同组分 数据核对
1 其他组合 异源复合物 蛋白 3 其他聚合物 4 Coagulation factor IXa light chain × 1 (P00740) Coagulation factor IXa heavy chain × 1 (P00740) alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ;3,4-di-O-methyl-2,6-di-O-sulfo-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)-3-O-methyl-2-O-sulfo-alpha-L-idopyranuronic acid-(1-4)-methyl 2,3,6-tri-O-sulfo-alpha-D-glucopyranoside ; × 1 CALCIUM ION × 1 (4S)-2-METHYL-2,4-PENTANEDIOL × 2 water × 3 与蛋白数一致

数据库中的同蛋白其他状态

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。

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2. 结构基本信息 2. Structure Basics

条目编号 entry_id3kcg
沉积日期 deposition_date2009-10-21
结构标题 titleCrystal structure of the antithrombin-factor IXa-pentasaccharide complex
关键词 keywords;Michaelis complex, Blood coagulation, Calcium, Disulfide bond, EGF-like domain, Glycoprotein, Hemophilia, Hydrolase, Pharmaceutical, Protease, Secreted, Serine protease, Sulfation, Zymogen, Heparin-binding, Protease inhibitor, Serine protease inhibitor, Thrombophilia, HYDROLASE INHIBITOR ;; HYDROLASE, HYDROLASE INHIBITOR
实验方法 methodX-RAY DIFFRACTION
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3. Official assembly/model 理论 SAXS Official SAXS Profiles

页面只读取最新 assembly 计算结果。每一条曲线都对应明确的 PDB、official biological assembly 和 coordinate model。

3kcg__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

下载该曲线 .dat

3kcg__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 个绘图点;横轴和纵轴均采用对数尺度。

3kcg__assembly_1__model_1 | P(r) · Pending

新版 assembly/model P(r) 尚未计算 此处仅保留位置,不展示旧数据 r (Angstrom) P(r)
P(r) 将按相同 assembly/model 分别计算和展示。
Rg(Guinier)35.20 Å
Rg(电子密度)35.08 Å
总 Rg35.46 Å
原子数5695
残基数707
排除体积101440 ų
最大 q0.500 Å⁻¹
Assembly Model 结构单元 聚集说明 状态 CRYSOL 操作
1 1 3kcg__assembly_1__model_1 trimeric (3) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
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4. 晶体学与实验 4. Crystallography & Experiment

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5. 实体与聚合物信息 Entities & Polymers (9)

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6. 折叠分类 (SCOP + CATH) 8 domains

SCOP 2.08 (3 domains)

结构域编号 domain_idd3kcgh_
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_idd3kcgi_
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
结构域编号 domain_idd3kcgl_
类 Class classg — Small proteins
折叠类型 Fold foldg.3 — Knottins (small inhibitors, toxins, lectins)
超家族 Superfamily superfamilyg.3.11 — EGF/Laminin
家族 Family familyg.3.11.1 — EGF-type module

CATH v4.4 (5 domains)

结构域编号 domain_id3kcgH01
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_id3kcgH02
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_id3kcgI01
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_id3kcgI02
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_id3kcgL00
类 Class class2 — Mainly Beta
架构 Architecture architecture10 — Ribbon
拓扑 Topology topology25 — Laminin
同源超家族 H-superfamily homologous superfamily10 — Laminin
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7. 引用文献 (1)