4m17

Crystal Structure of Surfactant Protein-D D325A/R343V mutant

Method: X-RAY DIFFRACTION Dmax: 135.1 Å Quality: GOOD

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

Pulmonary surfactant-associated protein D

Homo sapiens

UniProt P35247

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 蛋白同源多聚体 同源多聚体 蛋白 × 3 PDB 声明:trimeric(3) 与蛋白拷贝数一致 链 A; UniProt 229–375 链 B; UniProt 229–375 链 C; UniProt 229–375 片段:neck and carbohydrate recognition domain (UNP residues 229-375) 突变:D325A/R343V CA CALCIUM ION × 9 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;pH 7.5;290 K;Purified D325A+R343V (12-15 mg/mL in 20 mM HEPES, pH 7.5, 150 mM sodium chloride, 10 mM calcium acetate) + reservoir solution (0.1 M HEPES, pH 7.5, 0.25 M sodium chloride, 20-22% w/v PEG3350), VAPOR DIFFUSION, HANGING DROP, temperature 290K 分辨率 2.10 Å R-free 0.188
2 蛋白同源多聚体 同源多聚体 蛋白 × 3 PDB 声明:trimeric(3) 与蛋白拷贝数一致 链 D; UniProt 229–375 链 E; UniProt 229–375 链 F; UniProt 229–375 片段:neck and carbohydrate recognition domain (UNP residues 229-375) 突变:D325A/R343V CA CALCIUM ION × 9 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;pH 7.5;290 K;Purified D325A+R343V (12-15 mg/mL in 20 mM HEPES, pH 7.5, 150 mM sodium chloride, 10 mM calcium acetate) + reservoir solution (0.1 M HEPES, pH 7.5, 0.25 M sodium chloride, 20-22% w/v PEG3350), VAPOR DIFFUSION, HANGING DROP, temperature 290K 分辨率 2.10 Å R-free 0.188
3 蛋白同源多聚体 同源多聚体 蛋白 × 3 PDB 声明:trimeric(3) 与蛋白拷贝数一致 链 G; UniProt 229–375 链 H; UniProt 229–375 链 I; UniProt 229–375 片段:neck and carbohydrate recognition domain (UNP residues 229-375) 突变:D325A/R343V CA CALCIUM ION × 9 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;pH 7.5;290 K;Purified D325A+R343V (12-15 mg/mL in 20 mM HEPES, pH 7.5, 150 mM sodium chloride, 10 mM calcium acetate) + reservoir solution (0.1 M HEPES, pH 7.5, 0.25 M sodium chloride, 20-22% w/v PEG3350), VAPOR DIFFUSION, HANGING DROP, temperature 290K 分辨率 2.10 Å R-free 0.188
4 蛋白同源多聚体 同源多聚体 蛋白 × 3 PDB 声明:trimeric(3) 与蛋白拷贝数一致 链 J; UniProt 229–375 链 K; UniProt 229–375 链 L; UniProt 229–375 片段:neck and carbohydrate recognition domain (UNP residues 229-375) 突变:D325A/R343V CA CALCIUM ION × 9 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;pH 7.5;290 K;Purified D325A+R343V (12-15 mg/mL in 20 mM HEPES, pH 7.5, 150 mM sodium chloride, 10 mM calcium acetate) + reservoir solution (0.1 M HEPES, pH 7.5, 0.25 M sodium chloride, 20-22% w/v PEG3350), VAPOR DIFFUSION, HANGING DROP, temperature 290K 分辨率 2.10 Å R-free 0.188

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 30 个其他 PDB 条目、33 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 SFTPD_HUMAN
Isoform
PDB实体 1
链与序列区间 作者链 A; PDB构建体 1–147; UniProt 229–375 作者链 B; PDB构建体 1–147; UniProt 229–375 作者链 C; PDB构建体 1–147; UniProt 229–375 作者链 D; PDB构建体 1–147; UniProt 229–375 作者链 E; PDB构建体 1–147; UniProt 229–375 作者链 F; PDB构建体 1–147; UniProt 229–375 作者链 G; PDB构建体 1–147; UniProt 229–375 作者链 H; PDB构建体 1–147; UniProt 229–375 作者链 I; PDB构建体 1–147; UniProt 229–375 作者链 J; PDB构建体 1–147; UniProt 229–375 作者链 K; PDB构建体 1–147; UniProt 229–375 作者链 L; PDB构建体 1–147; UniProt 229–375

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 4m17

P(r) 距离分布 P(r) Distribution

P(r) distribution for 4m17
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2. 结构基本信息 2. Structure Basics

条目编号 entry_id4m17
沉积日期 deposition_date2013-08-02
结构标题 titleCrystal Structure of Surfactant Protein-D D325A/R343V mutant
关键词 keywordssurfactant protein, carbohydrate recognition domain, lectin, SUGAR BINDING PROTEIN; SUGAR BINDING PROTEIN
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_guinier42.04
回转半径 Rg (电子) rg_electron41.60
零角强度 I(0) i0510898000.00
分子量 molecular_weight183070.0 kDa
排除体积 excluded_volume227890 ų
包络体积 envelope_volume299660 ų
水化壳体积 shell_volume61955 ų
包络直径 envelope_diameter140.1
壳层 Rg shell_rg45.22
包络 Rg envelope_rg41.07
形状 Rg shape_rg41.58
总 Rg total_rg41.86
总原子数 total_atoms12825
残基数 n_residues1686
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 dmax135.1
Rg (实空间) rg_real42.04
Rg 误差 (实空间) rg_real_error0.92
I(0) (实空间) i0_real5.1090e+08
I(0) 误差 (实空间) i0_real_error9.3580e+06
Rg (倒空间) rg_reciprocal42.04
I(0) (倒空间) i0_reciprocal510900000.0000
解质量估计 total_estimate0.8703
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks1
主峰位置 r_peak_primary46.2
偏度 Skewness skewness0.339
峰度 Kurtosis kurtosis-0.397
角度范围 angular_range— – 0.1900 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha35350000.0000
实空间数据点数 n_real_points39
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.910; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.580

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

6. 实体与聚合物信息 Entities & Polymers (3)

7. 折叠分类 (SCOP + CATH) 24 domains

SCOP 2.08 (12 domains)

结构域编号 domain_idd4m17a_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.169 — C-type lectin-like
超家族 Superfamily superfamilyd.169.1 — C-type lectin-like
家族 Family familyd.169.1.1 — C-type lectin domain
结构域编号 domain_idd4m17b_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.169 — C-type lectin-like
超家族 Superfamily superfamilyd.169.1 — C-type lectin-like
家族 Family familyd.169.1.1 — C-type lectin domain
结构域编号 domain_idd4m17c1
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.169 — C-type lectin-like
超家族 Superfamily superfamilyd.169.1 — C-type lectin-like
家族 Family familyd.169.1.1 — C-type lectin domain
结构域编号 domain_idd4m17d1
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.169 — C-type lectin-like
超家族 Superfamily superfamilyd.169.1 — C-type lectin-like
家族 Family familyd.169.1.1 — C-type lectin domain
结构域编号 domain_idd4m17e1
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.169 — C-type lectin-like
超家族 Superfamily superfamilyd.169.1 — C-type lectin-like
家族 Family familyd.169.1.1 — C-type lectin domain
结构域编号 domain_idd4m17f1
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.169 — C-type lectin-like
超家族 Superfamily superfamilyd.169.1 — C-type lectin-like
家族 Family familyd.169.1.1 — C-type lectin domain
结构域编号 domain_idd4m17g_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.169 — C-type lectin-like
超家族 Superfamily superfamilyd.169.1 — C-type lectin-like
家族 Family familyd.169.1.1 — C-type lectin domain
结构域编号 domain_idd4m17h_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.169 — C-type lectin-like
超家族 Superfamily superfamilyd.169.1 — C-type lectin-like
家族 Family familyd.169.1.1 — C-type lectin domain
结构域编号 domain_idd4m17i_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.169 — C-type lectin-like
超家族 Superfamily superfamilyd.169.1 — C-type lectin-like
家族 Family familyd.169.1.1 — C-type lectin domain
结构域编号 domain_idd4m17j_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.169 — C-type lectin-like
超家族 Superfamily superfamilyd.169.1 — C-type lectin-like
家族 Family familyd.169.1.1 — C-type lectin domain
结构域编号 domain_idd4m17k_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.169 — C-type lectin-like
超家族 Superfamily superfamilyd.169.1 — C-type lectin-like
家族 Family familyd.169.1.1 — C-type lectin domain
结构域编号 domain_idd4m17l_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.169 — C-type lectin-like
超家族 Superfamily superfamilyd.169.1 — C-type lectin-like
家族 Family familyd.169.1.1 — C-type lectin domain

CATH v4.4 (12 domains)

结构域编号 domain_id4m17A00
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology100 — Mannose-Binding Protein A; Chain A
同源超家族 H-superfamily homologous superfamily10 — Mannose-Binding Protein A, subunit A
结构域编号 domain_id4m17B00
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology100 — Mannose-Binding Protein A; Chain A
同源超家族 H-superfamily homologous superfamily10 — Mannose-Binding Protein A, subunit A
结构域编号 domain_id4m17C00
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology100 — Mannose-Binding Protein A; Chain A
同源超家族 H-superfamily homologous superfamily10 — Mannose-Binding Protein A, subunit A
结构域编号 domain_id4m17D00
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology100 — Mannose-Binding Protein A; Chain A
同源超家族 H-superfamily homologous superfamily10 — Mannose-Binding Protein A, subunit A
结构域编号 domain_id4m17E00
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology100 — Mannose-Binding Protein A; Chain A
同源超家族 H-superfamily homologous superfamily10 — Mannose-Binding Protein A, subunit A
结构域编号 domain_id4m17F00
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology100 — Mannose-Binding Protein A; Chain A
同源超家族 H-superfamily homologous superfamily10 — Mannose-Binding Protein A, subunit A
结构域编号 domain_id4m17G00
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology100 — Mannose-Binding Protein A; Chain A
同源超家族 H-superfamily homologous superfamily10 — Mannose-Binding Protein A, subunit A
结构域编号 domain_id4m17H00
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology100 — Mannose-Binding Protein A; Chain A
同源超家族 H-superfamily homologous superfamily10 — Mannose-Binding Protein A, subunit A
结构域编号 domain_id4m17I00
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology100 — Mannose-Binding Protein A; Chain A
同源超家族 H-superfamily homologous superfamily10 — Mannose-Binding Protein A, subunit A
结构域编号 domain_id4m17J00
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology100 — Mannose-Binding Protein A; Chain A
同源超家族 H-superfamily homologous superfamily10 — Mannose-Binding Protein A, subunit A
结构域编号 domain_id4m17K00
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology100 — Mannose-Binding Protein A; Chain A
同源超家族 H-superfamily homologous superfamily10 — Mannose-Binding Protein A, subunit A
结构域编号 domain_id4m17L00
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology100 — Mannose-Binding Protein A; Chain A
同源超家族 H-superfamily homologous superfamily10 — Mannose-Binding Protein A, subunit A

8. 引用文献 (1)

9. 文件与曲线 (10)