SAXSdb — 2bkb

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1. 结构基本信息 1. Structure Basics

条目编号 entry_id	2bkb
沉积日期 deposition_date	2005-02-14
结构标题 title	q69e-FeSOD
关键词 keywords	SUPEROXIDE DISMUTASE, IRON REDOX TUNING, H-BOND NETWORK, MUTANT, 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	31.70 Å
回转半径 Rg (电子) rg_electron	31.17 Å
零角强度 I(0) i0	109496000.00
分子量 molecular_weight	84738.0 kDa
排除体积 excluded_volume	106290 Å³
包络体积 envelope_volume	130660 Å³
水化壳体积 shell_volume	35155 Å³
包络直径 envelope_diameter	106.4 Å
壳层 Rg shell_rg	37.82 Å
包络 Rg envelope_rg	30.85 Å
形状 Rg shape_rg	31.13 Å
总 Rg total_rg	31.86 Å
总原子数 total_atoms	6016
残基数 n_residues	768
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	107.7 Å
Rg (实空间) rg_real	31.70 Å
Rg 误差 (实空间) rg_real_error	1.30 Å
I(0) (实空间) i0_real	1.0950e+08
I(0) 误差 (实空间) i0_real_error	2.0240e+06
Rg (倒空间) rg_reciprocal	31.70 Å
I(0) (倒空间) i0_reciprocal	109500000.0000
解质量估计 total_estimate	0.8880
解质量评级 solution_quality	GOOD a GOOD solution
P(r) 峰数 n_peaks	2
主峰位置 r_peak_primary	38.8 Å
偏度 Skewness skewness	0.298
峰度 Kurtosis kurtosis	-0.445
角度范围 angular_range	— – 0.2500 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	25990000.0000
实空间数据点数 n_real_points	51
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.870; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.975; Smooth: 0.955

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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 [FE]
分子量 formula_weight	21155.5 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	6645

SFELPALPYAKDALAPHISAETIEYHYGKHHQTYVTNLNNLIKGTAFEGKSLEEIIRSSEGGVFNNAAEVWNHTFYWNCLAPNAGGEPTGKVAEAIAASFGSFADFKAQFTDAAIKNFGSGWTWLVKNSDGKLAIVSTSNAGTPLTTDATPLLTVDVWEHAYYIDYRNARPGYLEHFWALVNWEFVAKNLAA

来源 Source

来源生物 organism	ESCHERICHIA COLI
NCBI 分类编号 ncbi_taxonomy_id	562
宿主生物 host_organism	ESCHERICHIA COLI

Entity 2 non-polymer

描述 description	FE (II) ION
分子量 formula_weight	55.8 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	629

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6. 折叠分类 (SCOP + CATH) 8 domains

SCOP 2.08 (8 domains)

结构域编号 domain_id	d2bkba1
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	d2bkba2
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	d2bkbb1
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	d2bkbb2
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	d2bkbc1
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	d2bkbc2
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	d2bkbd1
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	d2bkbd2
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

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7. 引用文献 (1)

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晶胞边长 a length_a	43.500 Å
晶胞边长 b length_b	107.700 Å
晶胞边长 c length_c	84.200 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	95.02 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	8

空间群 space_group	P 1 21 1
空间群编号 int_tables_number	4
晶系 crystal_system	—

分辨率 resolution	1.700 Å
最低分辨率 resolution_low	19.970 Å
R 因子 r_factor	0.2070
R_work r_work	0.2070
R_free r_free	0.2310

fit	/app/data/saxs_computation/bk/2bkb/2bkb.fit
pddf	/app/data/pr_computation/bk/2bkb/2bkb.pr.out
profile	/app/data/saxs_computation/bk/2bkb/2bkb.dat

q69e-FeSOD

SAXS 散射曲线 SAXS Profile

P(r) 距离分布 P(r) Distribution

1. 结构基本信息 1. Structure Basics

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

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

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

晶胞参数 Unit Cell

对称性 Symmetry

精修参数 Refinement

衍射实验 Diffraction