← 返回搜索
3ca3

Crystal structure of Sambucus Nigra Agglutinin II (SNA-II)-tetragonal crystal form- complexed to N-Acetylgalactosamine

Method: X-RAY DIFFRACTION
▼

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

Agglutinin II

物种未注明

UniProt P33183

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 单体 蛋白 1 其他聚合物 3 alpha-L-fucopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)]2-acetamido-2-deoxy-beta-D-glucopyranose × 2 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 2-acetamido-2-deoxy-alpha-D-galactopyranose × 2 2-acetamido-2-deoxy-beta-D-galactopyranose × 2 SULFATE ION × 7 ACETATE ION × 1 water × 1 与蛋白数一致
2 其他组合 同源多聚体 蛋白 2 其他聚合物 6 alpha-L-fucopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)]2-acetamido-2-deoxy-beta-D-glucopyranose × 4 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 2-acetamido-2-deoxy-alpha-D-galactopyranose × 4 2-acetamido-2-deoxy-beta-D-galactopyranose × 4 SULFATE ION × 14 ACETATE ION × 2 water × 2 与蛋白数一致
3 其他组合 同源多聚体 蛋白 2 其他聚合物 6 alpha-L-fucopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)]2-acetamido-2-deoxy-beta-D-glucopyranose × 4 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 2-acetamido-2-deoxy-alpha-D-galactopyranose × 4 2-acetamido-2-deoxy-beta-D-galactopyranose × 4 SULFATE ION × 14 ACETATE ION × 2 water × 2 与蛋白数一致
4 其他组合 同源多聚体 蛋白 2 其他聚合物 6 alpha-L-fucopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)]2-acetamido-2-deoxy-beta-D-glucopyranose × 4 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 2-acetamido-2-deoxy-alpha-D-galactopyranose × 4 2-acetamido-2-deoxy-beta-D-galactopyranose × 4 SULFATE ION × 14 ACETATE ION × 2 water × 2 与蛋白数一致
5 其他组合 同源多聚体 蛋白 4 其他聚合物 12 alpha-L-fucopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)]2-acetamido-2-deoxy-beta-D-glucopyranose × 8 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 4 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 2-acetamido-2-deoxy-alpha-D-galactopyranose × 8 2-acetamido-2-deoxy-beta-D-galactopyranose × 8 SULFATE ION × 28 ACETATE ION × 4 water × 4 与蛋白数一致

数据库中的同蛋白其他状态

单体

暂无

同源二聚体

暂无

同源四聚体

暂无

其他同源多聚体

暂无

异源或核酸复合物
3c9z 3ca0 3ca1 3ca3 3ca3 3ca3 3ca3 3ca3 3ca4 3ca5 3ca5 3ca5

共 20 个 assembly，这里只显示前 12 个

查看构建体与数据证据
UniProt名称 NIGB_SAMNI
Isoform —
PDB实体 1
链与序列区间 作者链 A； PDB构建体 1–258； UniProt 306–563

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。

▼

2. 结构基本信息 2. Structure Basics

条目编号 entry_id3ca3
沉积日期 deposition_date2008-02-19
结构标题 titleCrystal structure of Sambucus Nigra Agglutinin II (SNA-II)-tetragonal crystal form- complexed to N-Acetylgalactosamine
关键词 keywordsBETA-TREFOIL, RICIN-B DOMAIN, GLYCOSYLATION, LECTIN, Glycoprotein, SUGAR BINDING PROTEIN, Plant protein; SUGAR BINDING PROTEIN, Plant protein
实验方法 methodX-RAY DIFFRACTION
▼

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。

3ca3__assembly_1__model_1

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

下载该曲线 .dat

3ca3__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 个绘图点；横轴和纵轴均采用对数尺度。

3ca3__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）21.13 Å
Rg（电子密度）20.16 Å
总 Rg21.11 Å
原子数2171
残基数257
排除体积38159 ų
最大 q0.500 Å⁻¹
Assembly Model 结构单元 聚集说明 状态 CRYSOL 操作
1 1 3ca3__assembly_1__model_1 monomeric （1） 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
2 1 3ca3__assembly_2__model_1 dimeric （2） 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
3 1 3ca3__assembly_3__model_1 dimeric （2） 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
4 1 3ca3__assembly_4__model_1 dimeric （2） 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
5 1 3ca3__assembly_5__model_1 tetrameric （4） 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
▶

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

▶

5. 实体与聚合物信息 Entities & Polymers (9)

▼

6. 折叠分类 (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

结构域编号 domain_idd3ca3a1
类 Class classb — All beta proteins
折叠类型 Fold foldb.42 — beta-Trefoil
超家族 Superfamily superfamilyb.42.2 — Ricin B-like lectins
家族 Family familyb.42.2.0 — automated matches
结构域编号 domain_idd3ca3a2
类 Class classb — All beta proteins
折叠类型 Fold foldb.42 — beta-Trefoil
超家族 Superfamily superfamilyb.42.2 — Ricin B-like lectins
家族 Family familyb.42.2.0 — automated matches

CATH v4.4 (2 domains)

结构域编号 domain_id3ca3A01
类 Class class2 — Mainly Beta
架构 Architecture architecture80 — Trefoil
拓扑 Topology topology10 — Trefoil (Acidic Fibroblast Growth Factor, subunit A)
同源超家族 H-superfamily homologous superfamily50 —
结构域编号 domain_id3ca3A02
类 Class class2 — Mainly Beta
架构 Architecture architecture80 — Trefoil
拓扑 Topology topology10 — Trefoil (Acidic Fibroblast Growth Factor, subunit A)
同源超家族 H-superfamily homologous superfamily50 —
▶

7. 引用文献 (1)