1gn4

H145E mutant of Mycobacterium tuberculosis iron-superoxide dismutase.

Method: X-RAY DIFFRACTION D_max: 80.1 Å Quality: EXCELLENT

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	1gn4
沉积日期 deposition_date	2001-10-02
结构标题 title	H145E mutant of Mycobacterium tuberculosis iron-superoxide dismutase.
关键词 keywords	OXIDOREDUCTASE, IRON; 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	27.18 Å
回转半径 Rg (电子) rg_electron	25.86 Å
零角强度 I(0) i0	121998000.00
分子量 molecular_weight	88318.0 kDa
排除体积 excluded_volume	110720 Å³
包络体积 envelope_volume	129210 Å³
水化壳体积 shell_volume	39503 Å³
包络直径 envelope_diameter	82.1 Å
壳层 Rg shell_rg	34.83 Å
包络 Rg envelope_rg	25.85 Å
形状 Rg shape_rg	25.85 Å
总 Rg total_rg	26.77 Å
总原子数 total_atoms	6272
残基数 n_residues	792
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	80.1 Å
Rg (实空间) rg_real	26.96 Å
Rg 误差 (实空间) rg_real_error	0.44 Å
I(0) (实空间) i0_real	1.2200e+08
I(0) 误差 (实空间) i0_real_error	1.6870e+06
Rg (倒空间) rg_reciprocal	27.03 Å
I(0) (倒空间) i0_reciprocal	122000000.0000
解质量估计 total_estimate	0.9084
解质量评级 solution_quality	EXCELLENT a EXCELLENT solution
P(r) 峰数 n_peaks	2
主峰位置 r_peak_primary	35.9 Å
偏度 Skewness skewness	0.080
峰度 Kurtosis kurtosis	-0.535
角度范围 angular_range	— – 0.2900 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	41770000.0000
实空间数据点数 n_real_points	59
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.953; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.974; Smooth: 0.972

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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	SUPEROXIDE DISMUTASE
分子量 formula_weight	23051.8 kDa
EC 编号 ec_number	1.15.1.1
突变 mutation	YES
来源方法 src_method	man
拷贝数 entity_count	4

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	A,B,C,D
原子数 atom_count	6560

MAEYTLPDLDWDYGALEPHISGQINELHHSKHHATYVKGANDAVAKLEEARAKEDHSAILLNEKNLAFNLAGHVNHTIWWKNLSPNGGDKPTGELAAAIADAFGSFDKFRAQFHAAATTVQGSGWAALGWDTLGNKLLIFQVYDEQTNFPLGIVPLLLLDMWEHAFYLQYKNVKVDFAKAFWNVVNWADVQSRYAAATSQTKGLIFG

来源 Source

来源生物 organism	MYCOBACTERIUM TUBERCULOSIS
NCBI 分类编号 ncbi_taxonomy_id	1773
宿主生物 host_organism	MYCOBACTERIUM VACCAE

Entity 2 non-polymer

描述 description	MANGANESE (II) ION
分子量 formula_weight	54.9 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

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	288

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6. 折叠分类 (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

结构域编号 domain_id	d1gn4a1
类 Class class	a — All alpha proteins
折叠类型 Fold fold	a.2 — Long alpha-hairpin
超家族 Superfamily superfamily	a.2.11 — Fe,Mn superoxide dismutase (SOD), N-terminal domain
家族 Family family	a.2.11.1 — Fe,Mn superoxide dismutase (SOD), N-terminal domain

结构域编号 domain_id	d1gn4a2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.44 — Fe,Mn superoxide dismutase (SOD), C-terminal domain
超家族 Superfamily superfamily	d.44.1 — Fe,Mn superoxide dismutase (SOD), C-terminal domain
家族 Family family	d.44.1.1 — Fe,Mn superoxide dismutase (SOD), C-terminal domain

结构域编号 domain_id	d1gn4b1
类 Class class	a — All alpha proteins
折叠类型 Fold fold	a.2 — Long alpha-hairpin
超家族 Superfamily superfamily	a.2.11 — Fe,Mn superoxide dismutase (SOD), N-terminal domain
家族 Family family	a.2.11.1 — Fe,Mn superoxide dismutase (SOD), N-terminal domain

结构域编号 domain_id	d1gn4b2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.44 — Fe,Mn superoxide dismutase (SOD), C-terminal domain
超家族 Superfamily superfamily	d.44.1 — Fe,Mn superoxide dismutase (SOD), C-terminal domain
家族 Family family	d.44.1.1 — Fe,Mn superoxide dismutase (SOD), C-terminal domain

结构域编号 domain_id	d1gn4c1
类 Class class	a — All alpha proteins
折叠类型 Fold fold	a.2 — Long alpha-hairpin
超家族 Superfamily superfamily	a.2.11 — Fe,Mn superoxide dismutase (SOD), N-terminal domain
家族 Family family	a.2.11.1 — Fe,Mn superoxide dismutase (SOD), N-terminal domain

结构域编号 domain_id	d1gn4c2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.44 — Fe,Mn superoxide dismutase (SOD), C-terminal domain
超家族 Superfamily superfamily	d.44.1 — Fe,Mn superoxide dismutase (SOD), C-terminal domain
家族 Family family	d.44.1.1 — Fe,Mn superoxide dismutase (SOD), C-terminal domain

结构域编号 domain_id	d1gn4d1
类 Class class	a — All alpha proteins
折叠类型 Fold fold	a.2 — Long alpha-hairpin
超家族 Superfamily superfamily	a.2.11 — Fe,Mn superoxide dismutase (SOD), N-terminal domain
家族 Family family	a.2.11.1 — Fe,Mn superoxide dismutase (SOD), N-terminal domain

结构域编号 domain_id	d1gn4d2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.44 — Fe,Mn superoxide dismutase (SOD), C-terminal domain
超家族 Superfamily superfamily	d.44.1 — Fe,Mn superoxide dismutase (SOD), C-terminal domain
家族 Family family	d.44.1.1 — Fe,Mn superoxide dismutase (SOD), C-terminal domain

CATH v4.4 (8 domains)

结构域编号 domain_id	1gn4A01
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	287 — Helix Hairpins
同源超家族 H-superfamily homologous superfamily	990 — Fe,Mn superoxide dismutase (SOD) domain

结构域编号 domain_id	1gn4A02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	55 — 3-Layer(bab) Sandwich
拓扑 Topology topology	40 — minor pseudopilin epsh fold
同源超家族 H-superfamily homologous superfamily	20 — Iron/manganese superoxide dismutase, C-terminal domain

结构域编号 domain_id	1gn4B01
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	287 — Helix Hairpins
同源超家族 H-superfamily homologous superfamily	990 — Fe,Mn superoxide dismutase (SOD) domain

结构域编号 domain_id	1gn4B02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	55 — 3-Layer(bab) Sandwich
拓扑 Topology topology	40 — minor pseudopilin epsh fold
同源超家族 H-superfamily homologous superfamily	20 — Iron/manganese superoxide dismutase, C-terminal domain

结构域编号 domain_id	1gn4C01
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	287 — Helix Hairpins
同源超家族 H-superfamily homologous superfamily	990 — Fe,Mn superoxide dismutase (SOD) domain

结构域编号 domain_id	1gn4C02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	55 — 3-Layer(bab) Sandwich
拓扑 Topology topology	40 — minor pseudopilin epsh fold
同源超家族 H-superfamily homologous superfamily	20 — Iron/manganese superoxide dismutase, C-terminal domain

结构域编号 domain_id	1gn4D01
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	287 — Helix Hairpins
同源超家族 H-superfamily homologous superfamily	990 — Fe,Mn superoxide dismutase (SOD) domain

结构域编号 domain_id	1gn4D02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	55 — 3-Layer(bab) Sandwich
拓扑 Topology topology	40 — minor pseudopilin epsh fold
同源超家族 H-superfamily homologous superfamily	20 — Iron/manganese superoxide dismutase, C-terminal domain

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7. 引用文献 (1)

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晶胞边长 a length_a	107.660 Å
晶胞边长 b length_b	102.860 Å
晶胞边长 c length_c	73.940 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	16

空间群 space_group	P 21 21 21
空间群编号 int_tables_number	19
晶系 crystal_system	—

分辨率 resolution	2.500 Å
最低分辨率 resolution_low	20.000 Å
R 因子 r_factor	—
R_work r_work	0.1720
R_free r_free	0.2250

fit	/app/data/saxs_computation/gn/1gn4/1gn4.fit
pddf	/app/data/pr_computation/gn/1gn4/1gn4.pr.out
profile	/app/data/saxs_computation/gn/1gn4/1gn4.dat