1yf1

Structural and biochemical analysis of the link between enzymatic activity and oligomerization in AhpC, a bacterial peroxiredoxin.

Method: X-RAY DIFFRACTION D_max: 171.2 Å Quality: REASONABLE

SAXS 散射曲线 SAXS Profile

P(r) 距离分布 P(r) Distribution

下载 Download SAXS (.dat) P(r) (.pr.out) CIF

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1. 结构基本信息 1. Structure Basics

条目编号 entry_id	1yf1
沉积日期 deposition_date	2004-12-29
结构标题 title	Structural and biochemical analysis of the link between enzymatic activity and oligomerization in AhpC, a bacterial peroxiredoxin.
关键词 keywords	peroxiredoxin, AhpC, Alkyl hydroperoxide reductase subunit C, OXIDOREDUCTASE; OXIDOREDUCTASE
实验方法 method	X-RAY DIFFRACTION

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2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)

回转半径 Rg (Guinier) rg_guinier	48.17 Å
回转半径 Rg (电子) rg_electron	49.02 Å
零角强度 I(0) i0	496094000.00
分子量 molecular_weight	183830.0 kDa
排除体积 excluded_volume	230010 Å³
包络体积 envelope_volume	320060 Å³
水化壳体积 shell_volume	59421 Å³
包络直径 envelope_diameter	178.2 Å
壳层 Rg shell_rg	46.33 Å
包络 Rg envelope_rg	49.21 Å
形状 Rg shape_rg	49.02 Å
总 Rg total_rg	48.92 Å
总原子数 total_atoms	12993
残基数 n_residues	1650
球谐函数阶数 n_harmonics	20
q 范围 q_range	— – 0.5000 Å⁻¹
数据点数 n_points	101
壳层类型 shell_type	directional
溶剂电子密度 solvent_density	0.3340 e/Å³
壳层衬度 contrast_shell	0.0300 e/Å³
CRYSOL 版本 crysol_version	4.1.3

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3. P(r) 距离分布 (GNOM 反演) 3. P(r) Analysis (GNOM)

最大尺寸 Dmax dmax	171.2 Å
Rg (实空间) rg_real	48.92 Å
Rg 误差 (实空间) rg_real_error	2.12 Å
I(0) (实空间) i0_real	4.9610e+08
I(0) 误差 (实空间) i0_real_error	8.8850e+06
Rg (倒空间) rg_reciprocal	48.17 Å
I(0) (倒空间) i0_reciprocal	495600000.0000
解质量估计 total_estimate	0.5657
解质量评级 solution_quality	REASONABLE a REASONABLE solution
P(r) 峰数 n_peaks	2
主峰位置 r_peak_primary	57.1 Å
偏度 Skewness skewness	0.692
峰度 Kurtosis kurtosis	0.251
角度范围 angular_range	— – 0.1650 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	27490000.0000
实空间数据点数 n_real_points	34
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.699; Stabil: 1.000; Sysdev: 0.044; Positv: 1.000; Valcen: 0.871; Smooth: 0.252

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

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5. 实体与聚合体信息 (3)

Entity 1 polymer

描述 description	Alkyl hydroperoxide reductase subunit C
分子量 formula_weight	20639.2 kDa
EC 编号 ec_number	1.11.1.15
突变 mutation	T77V
来源方法 src_method	man
拷贝数 entity_count	10

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	A,B,C,D,E,F,G,H,I,J
原子数 atom_count	13819

SLINTKIKPFKNQAFKNGEFIEVTEKDTEGRWSVFFFYPADFTFVCPTELGDVADHYEELQKLGVDVYSVSTDTHFVHKAWHSSSETIAKIKYAMIGDPTGALTRNFDNMREDEGLADRATFVVDPQGIIQAIEVTAEGIGRDASDLLRKIKAAQYVAAHPGEVCPAKWKEGEATLAPSLDLVGKI

来源 Source

来源生物 organism	Salmonella typhimurium
NCBI 分类编号 ncbi_taxonomy_id	602
宿主生物 host_organism	Escherichia coli

Entity 2 non-polymer

描述 description	SODIUM ION
分子量 formula_weight	23.0 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

Entity 3 water

描述 description	water
分子量 formula_weight	18.0 kDa
来源方法 src_method	nat
拷贝数 entity_count	826

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6. 折叠分类 (SCOP + CATH) 20 domains

SCOP 2.08 (10 domains)

结构域编号 domain_id	d1yf1a1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.47 — Thioredoxin fold
超家族 Superfamily superfamily	c.47.1 — Thioredoxin-like
家族 Family family	c.47.1.10 — Glutathione peroxidase-like

结构域编号 domain_id	d1yf1b_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.47 — Thioredoxin fold
超家族 Superfamily superfamily	c.47.1 — Thioredoxin-like
家族 Family family	c.47.1.10 — Glutathione peroxidase-like

结构域编号 domain_id	d1yf1c_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.47 — Thioredoxin fold
超家族 Superfamily superfamily	c.47.1 — Thioredoxin-like
家族 Family family	c.47.1.10 — Glutathione peroxidase-like

结构域编号 domain_id	d1yf1d_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.47 — Thioredoxin fold
超家族 Superfamily superfamily	c.47.1 — Thioredoxin-like
家族 Family family	c.47.1.10 — Glutathione peroxidase-like

结构域编号 domain_id	d1yf1e_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.47 — Thioredoxin fold
超家族 Superfamily superfamily	c.47.1 — Thioredoxin-like
家族 Family family	c.47.1.10 — Glutathione peroxidase-like

结构域编号 domain_id	d1yf1f_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.47 — Thioredoxin fold
超家族 Superfamily superfamily	c.47.1 — Thioredoxin-like
家族 Family family	c.47.1.10 — Glutathione peroxidase-like

结构域编号 domain_id	d1yf1g_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.47 — Thioredoxin fold
超家族 Superfamily superfamily	c.47.1 — Thioredoxin-like
家族 Family family	c.47.1.10 — Glutathione peroxidase-like

结构域编号 domain_id	d1yf1h_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.47 — Thioredoxin fold
超家族 Superfamily superfamily	c.47.1 — Thioredoxin-like
家族 Family family	c.47.1.10 — Glutathione peroxidase-like

结构域编号 domain_id	d1yf1i_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.47 — Thioredoxin fold
超家族 Superfamily superfamily	c.47.1 — Thioredoxin-like
家族 Family family	c.47.1.10 — Glutathione peroxidase-like

结构域编号 domain_id	d1yf1j_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.47 — Thioredoxin fold
超家族 Superfamily superfamily	c.47.1 — Thioredoxin-like
家族 Family family	c.47.1.10 — Glutathione peroxidase-like

CATH v4.4 (10 domains)

结构域编号 domain_id	1yf1A00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	30 — Glutaredoxin
同源超家族 H-superfamily homologous superfamily	10 — Glutaredoxin

结构域编号 domain_id	1yf1B00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	30 — Glutaredoxin
同源超家族 H-superfamily homologous superfamily	10 — Glutaredoxin

结构域编号 domain_id	1yf1C00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	30 — Glutaredoxin
同源超家族 H-superfamily homologous superfamily	10 — Glutaredoxin

结构域编号 domain_id	1yf1D00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	30 — Glutaredoxin
同源超家族 H-superfamily homologous superfamily	10 — Glutaredoxin

结构域编号 domain_id	1yf1E00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	30 — Glutaredoxin
同源超家族 H-superfamily homologous superfamily	10 — Glutaredoxin

结构域编号 domain_id	1yf1F00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	30 — Glutaredoxin
同源超家族 H-superfamily homologous superfamily	10 — Glutaredoxin

结构域编号 domain_id	1yf1G00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	30 — Glutaredoxin
同源超家族 H-superfamily homologous superfamily	10 — Glutaredoxin

结构域编号 domain_id	1yf1H00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	30 — Glutaredoxin
同源超家族 H-superfamily homologous superfamily	10 — Glutaredoxin

结构域编号 domain_id	1yf1I00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	30 — Glutaredoxin
同源超家族 H-superfamily homologous superfamily	10 — Glutaredoxin

结构域编号 domain_id	1yf1J00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	30 — Glutaredoxin
同源超家族 H-superfamily homologous superfamily	10 — Glutaredoxin

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7. 引用文献 (1)

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晶胞边长 a length_a	136.350 Å
晶胞边长 b length_b	169.960 Å
晶胞边长 c length_c	117.650 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	90.00 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	40

空间群 space_group	P 21 21 2
空间群编号 int_tables_number	18
晶系 crystal_system	—

分辨率 resolution	2.600 Å
最低分辨率 resolution_low	100.000 Å
R 因子 r_factor	0.1811
R_work r_work	0.1811
R_free r_free	0.2375

fit	/app/data/saxs_computation/yf/1yf1/1yf1.fit
pddf	/app/data/pr_computation/yf/1yf1/1yf1.pr.out
profile	/app/data/saxs_computation/yf/1yf1/1yf1.dat