1fwk

CRYSTAL STRUCTURE OF HOMOSERINE KINASE COMPLEXED WITH ADP

Method: X-RAY DIFFRACTION D_max: 107.3 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	1fwk
沉积日期 deposition_date	2000-09-22
结构标题 title	CRYSTAL STRUCTURE OF HOMOSERINE KINASE COMPLEXED WITH ADP
关键词 keywords	kinase, TRANSFERASE; TRANSFERASE
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	34.23 Å
回转半径 Rg (电子) rg_electron	33.31 Å
零角强度 I(0) i0	244842000.00
分子量 molecular_weight	130750.0 kDa
排除体积 excluded_volume	166020 Å³
包络体积 envelope_volume	206190 Å³
水化壳体积 shell_volume	50245 Å³
包络直径 envelope_diameter	106.1 Å
壳层 Rg shell_rg	41.03 Å
包络 Rg envelope_rg	33.10 Å
形状 Rg shape_rg	33.29 Å
总 Rg total_rg	33.99 Å
总原子数 total_atoms	9185
残基数 n_residues	1184
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	107.3 Å
Rg (实空间) rg_real	34.07 Å
Rg 误差 (实空间) rg_real_error	0.62 Å
I(0) (实空间) i0_real	2.4480e+08
I(0) 误差 (实空间) i0_real_error	4.0700e+06
Rg (倒空间) rg_reciprocal	34.18 Å
I(0) (倒空间) i0_reciprocal	244900000.0000
解质量估计 total_estimate	0.9031
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	46.6 Å
偏度 Skewness skewness	0.109
峰度 Kurtosis kurtosis	-0.556
角度范围 angular_range	— – 0.2300 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	84490000.0000
实空间数据点数 n_real_points	47
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.929; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.956

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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 (4)

Entity 1 polymer

描述 description	HOMOSERINE KINASE
分子量 formula_weight	32299.4 kDa
EC 编号 ec_number	2.7.1.39
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	9781

MKVRVKAPCTSANLGVGFDVFGLCLKEPYDVIEVEAIDDKEIIIEVDDKNIPTDPDKNVAGIVAKKMIDDFNIGKGVKITIKKGVKAGSGLGSSAASSAGTAYAINELFKLNLDKLKLVDYASYGELASSGAKHADNVAPAIFGGFTMVTNYEPLEVLHIPIDFKLDILIAIPNISINTKEAREILPKAVGLKDLVNNVGKACGMVYALYNKDKSLFGRYMMSDKVIEPVRGKLIPNYFKIKEEVKDKVYGITISGSGPSIIAFPKEEFIDEVENILRDYYENTIRTEVGKGVEVV

来源 Source

来源生物 organism	Methanocaldococcus jannaschii
NCBI 分类编号 ncbi_taxonomy_id	2190
宿主生物 host_organism	Escherichia coli

Entity 2 non-polymer

描述 description	ADENOSINE-5'-DIPHOSPHATE
分子量 formula_weight	427.2 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

Entity 3 non-polymer

描述 description	MAGNESIUM ION
分子量 formula_weight	24.3 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

Entity 4 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	596

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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	d1fwka1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.14 — Ribosomal protein S5 domain 2-like
超家族 Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
家族 Family family	d.14.1.5 — GHMP Kinase, N-terminal domain

结构域编号 domain_id	d1fwka2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.58 — Ferredoxin-like
超家族 Superfamily superfamily	d.58.26 — GHMP Kinase, C-terminal domain
家族 Family family	d.58.26.1 — Homoserine kinase

结构域编号 domain_id	d1fwkb1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.14 — Ribosomal protein S5 domain 2-like
超家族 Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
家族 Family family	d.14.1.5 — GHMP Kinase, N-terminal domain

结构域编号 domain_id	d1fwkb2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.58 — Ferredoxin-like
超家族 Superfamily superfamily	d.58.26 — GHMP Kinase, C-terminal domain
家族 Family family	d.58.26.1 — Homoserine kinase

结构域编号 domain_id	d1fwkc1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.14 — Ribosomal protein S5 domain 2-like
超家族 Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
家族 Family family	d.14.1.5 — GHMP Kinase, N-terminal domain

结构域编号 domain_id	d1fwkc2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.58 — Ferredoxin-like
超家族 Superfamily superfamily	d.58.26 — GHMP Kinase, C-terminal domain
家族 Family family	d.58.26.1 — Homoserine kinase

结构域编号 domain_id	d1fwkd1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.14 — Ribosomal protein S5 domain 2-like
超家族 Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
家族 Family family	d.14.1.5 — GHMP Kinase, N-terminal domain

结构域编号 domain_id	d1fwkd2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.58 — Ferredoxin-like
超家族 Superfamily superfamily	d.58.26 — GHMP Kinase, C-terminal domain
家族 Family family	d.58.26.1 — Homoserine kinase

CATH v4.4 (8 domains)

结构域编号 domain_id	1fwkA01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	230 — Ribosomal Protein S5; domain 2
同源超家族 H-superfamily homologous superfamily	10 —

结构域编号 domain_id	1fwkA02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	70 — Alpha-Beta Plaits
同源超家族 H-superfamily homologous superfamily	890 — GHMP kinase, C-terminal domain

结构域编号 domain_id	1fwkB01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	230 — Ribosomal Protein S5; domain 2
同源超家族 H-superfamily homologous superfamily	10 —

结构域编号 domain_id	1fwkB02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	70 — Alpha-Beta Plaits
同源超家族 H-superfamily homologous superfamily	890 — GHMP kinase, C-terminal domain

结构域编号 domain_id	1fwkC01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	230 — Ribosomal Protein S5; domain 2
同源超家族 H-superfamily homologous superfamily	10 —

结构域编号 domain_id	1fwkC02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	70 — Alpha-Beta Plaits
同源超家族 H-superfamily homologous superfamily	890 — GHMP kinase, C-terminal domain

结构域编号 domain_id	1fwkD01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	230 — Ribosomal Protein S5; domain 2
同源超家族 H-superfamily homologous superfamily	10 —

结构域编号 domain_id	1fwkD02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	70 — Alpha-Beta Plaits
同源超家族 H-superfamily homologous superfamily	890 — GHMP kinase, C-terminal domain

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7. 引用文献 (1)

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晶胞边长 a length_a	62.206 Å
晶胞边长 b length_b	129.147 Å
晶胞边长 c length_c	109.773 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	105.52 °
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	2.100 Å
最低分辨率 resolution_low	20.000 Å
R 因子 r_factor	—
R_work r_work	0.2090
R_free r_free	0.2460

fit	/app/data/saxs_computation/fw/1fwk/1fwk.fit
pddf	/app/data/pr_computation/fw/1fwk/1fwk.pr.out
profile	/app/data/saxs_computation/fw/1fwk/1fwk.dat