2ihv

Carboxyethylarginine synthase from Streptomyces clavuligerus: 5-guanidinovaleric acid complex

Method: X-RAY DIFFRACTION D_max: 118.2 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	2ihv
沉积日期 deposition_date	2006-09-27
结构标题 title	Carboxyethylarginine synthase from Streptomyces clavuligerus: 5-guanidinovaleric acid complex
关键词 keywords	Thiamin diphosphate complex, 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	38.49 Å
回转半径 Rg (电子) rg_electron	37.62 Å
零角强度 I(0) i0	857797000.00
分子量 molecular_weight	241100.0 kDa
排除体积 excluded_volume	301900 Å³
包络体积 envelope_volume	363340 Å³
水化壳体积 shell_volume	75774 Å³
包络直径 envelope_diameter	122.3 Å
壳层 Rg shell_rg	46.85 Å
包络 Rg envelope_rg	37.48 Å
形状 Rg shape_rg	37.64 Å
总 Rg total_rg	38.05 Å
总原子数 total_atoms	16980
残基数 n_residues	2240
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	118.2 Å
Rg (实空间) rg_real	38.23 Å
Rg 误差 (实空间) rg_real_error	0.67 Å
I(0) (实空间) i0_real	8.5780e+08
I(0) 误差 (实空间) i0_real_error	1.4160e+07
Rg (倒空间) rg_reciprocal	38.40 Å
I(0) (倒空间) i0_reciprocal	857900000.0000
解质量估计 total_estimate	0.9005
解质量评级 solution_quality	EXCELLENT a EXCELLENT solution
P(r) 峰数 n_peaks	1
主峰位置 r_peak_primary	49.0 Å
偏度 Skewness skewness	0.131
峰度 Kurtosis kurtosis	-0.565
角度范围 angular_range	— – 0.2050 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	564400000.0000
实空间数据点数 n_real_points	42
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.934; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.975; Smooth: 0.927

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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 (6)

Entity 1 polymer

描述 description	Carboxyethylarginine synthase
分子量 formula_weight	60964.8 kDa
EC 编号 ec_number	2.5.1.66
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	18002

MSRVSTAPSGKPTAAHALLSRLRDHGVGKVFGVVGREAASILFDEVEGIDFVLTRHEFTAGVAADVLARITGRPQACWATLGPGMTNLSTGIATSVLDRSPVIALAAQSESHDIFPNDTHQCLDSVAIVAPMSKYAVELQRPHEITDLVDSAVNAAMTEPVGPSFISLPVDLLGSSEGIDTTVPNPPANTPAKPVGVVADGWQKAADQAAALLAEAKHPVLVVGAAAIRSGAVPAIRALAERLNIPVITTYIAKGVLPVGHELNYGAVTGYMDGILNFPALQTMFAPVDLVLTVGYDYAEDLRPSMWQKGIEKKTVRISPTVNPIPRVYRPDVDVVTDVLAFVEHFETATASFGAKQRHDIEPLRARIAEFLADPETYEDGMRVHQVIDSMNTVMEEAAEPGEGTIVSDIGFFRHYGVLFARADQPFGFLTSAGCSSFGYGIPAAIGAQMARPDQPTFLIAGDGGFHSNSSDLETIARLNLPIVTVVVNNDTNGLIELYQNIGHHRSHDPAVKFGGVDFVALAEANGVDATRATNREELLAALRKGAELGRPFLIEVPVNYDFQPGGFGALSI

来源 Source

来源生物 organism	Streptomyces clavuligerus
NCBI 分类编号 ncbi_taxonomy_id	1901
宿主生物 host_organism	Escherichia coli BL21(DE3)

Entity 2 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	4

Entity 3 non-polymer

描述 description	POTASSIUM ION
分子量 formula_weight	39.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	6

Entity 4 non-polymer

描述 description	THIAMINE DIPHOSPHATE
分子量 formula_weight	425.3 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

Entity 5 non-polymer

描述 description	5-{[AMINO(IMINO)METHYL]AMINO}PENTANOIC ACID
分子量 formula_weight	159.2 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

Entity 6 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	990

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6. 折叠分类 (SCOP + CATH) 24 domains

SCOP 2.08 (12 domains)

结构域编号 domain_id	d2ihva1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.31 — DHS-like NAD/FAD-binding domain
超家族 Superfamily superfamily	c.31.1 — DHS-like NAD/FAD-binding domain
家族 Family family	c.31.1.3 — Pyruvate oxidase and decarboxylase, middle domain

结构域编号 domain_id	d2ihva2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.36 — Thiamin diphosphate-binding fold (THDP-binding)
超家族 Superfamily superfamily	c.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
家族 Family family	c.36.1.5 — Pyruvate oxidase and decarboxylase Pyr module

结构域编号 domain_id	d2ihva3
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.36 — Thiamin diphosphate-binding fold (THDP-binding)
超家族 Superfamily superfamily	c.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
家族 Family family	c.36.1.9 — Pyruvate oxidase and decarboxylase PP module

结构域编号 domain_id	d2ihvb1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.31 — DHS-like NAD/FAD-binding domain
超家族 Superfamily superfamily	c.31.1 — DHS-like NAD/FAD-binding domain
家族 Family family	c.31.1.3 — Pyruvate oxidase and decarboxylase, middle domain

结构域编号 domain_id	d2ihvb2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.36 — Thiamin diphosphate-binding fold (THDP-binding)
超家族 Superfamily superfamily	c.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
家族 Family family	c.36.1.5 — Pyruvate oxidase and decarboxylase Pyr module

结构域编号 domain_id	d2ihvb3
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.36 — Thiamin diphosphate-binding fold (THDP-binding)
超家族 Superfamily superfamily	c.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
家族 Family family	c.36.1.9 — Pyruvate oxidase and decarboxylase PP module

结构域编号 domain_id	d2ihvc1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.36 — Thiamin diphosphate-binding fold (THDP-binding)
超家族 Superfamily superfamily	c.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
家族 Family family	c.36.1.5 — Pyruvate oxidase and decarboxylase Pyr module

结构域编号 domain_id	d2ihvc2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.31 — DHS-like NAD/FAD-binding domain
超家族 Superfamily superfamily	c.31.1 — DHS-like NAD/FAD-binding domain
家族 Family family	c.31.1.3 — Pyruvate oxidase and decarboxylase, middle domain

结构域编号 domain_id	d2ihvc3
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.36 — Thiamin diphosphate-binding fold (THDP-binding)
超家族 Superfamily superfamily	c.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
家族 Family family	c.36.1.9 — Pyruvate oxidase and decarboxylase PP module

结构域编号 domain_id	d2ihvd1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.31 — DHS-like NAD/FAD-binding domain
超家族 Superfamily superfamily	c.31.1 — DHS-like NAD/FAD-binding domain
家族 Family family	c.31.1.3 — Pyruvate oxidase and decarboxylase, middle domain

结构域编号 domain_id	d2ihvd2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.36 — Thiamin diphosphate-binding fold (THDP-binding)
超家族 Superfamily superfamily	c.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
家族 Family family	c.36.1.5 — Pyruvate oxidase and decarboxylase Pyr module

结构域编号 domain_id	d2ihvd3
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.36 — Thiamin diphosphate-binding fold (THDP-binding)
超家族 Superfamily superfamily	c.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
家族 Family family	c.36.1.9 — Pyruvate oxidase and decarboxylase PP module

CATH v4.4 (12 domains)

结构域编号 domain_id	2ihvA01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains

结构域编号 domain_id	2ihvA02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	1220 — TPP-binding domain

结构域编号 domain_id	2ihvA03
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains

结构域编号 domain_id	2ihvB01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains

结构域编号 domain_id	2ihvB02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	1220 — TPP-binding domain

结构域编号 domain_id	2ihvB03
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains

结构域编号 domain_id	2ihvC01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains

结构域编号 domain_id	2ihvC02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	1220 — TPP-binding domain

结构域编号 domain_id	2ihvC03
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains

结构域编号 domain_id	2ihvD01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains

结构域编号 domain_id	2ihvD02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	1220 — TPP-binding domain

结构域编号 domain_id	2ihvD03
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains

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7. 引用文献 (1)

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晶胞边长 a length_a	120.744 Å
晶胞边长 b length_b	128.297 Å
晶胞边长 c length_c	197.638 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	2.300 Å
最低分辨率 resolution_low	49.150 Å
R 因子 r_factor	0.1620
R_work r_work	0.1610
R_free r_free	0.1920

fit	/app/data/saxs_computation/ih/2ihv/2ihv.fit
pddf	/app/data/pr_computation/ih/2ihv/2ihv.pr.out
profile	/app/data/saxs_computation/ih/2ihv/2ihv.dat