1sja

X-ray structure of o-Succinylbenzoate Synthase complexed with N-acetylmethionine

Method: X-RAY DIFFRACTION D_max: 116.2 Å Quality: GOOD

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	1sja
沉积日期 deposition_date	2004-03-03
结构标题 title	X-ray structure of o-Succinylbenzoate Synthase complexed with N-acetylmethionine
关键词 keywords	racemase, LYASE, ISOMERASE; LYASE, ISOMERASE
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	35.50 Å
回转半径 Rg (电子) rg_electron	35.00 Å
零角强度 I(0) i0	370273000.00
分子量 molecular_weight	158380.0 kDa
排除体积 excluded_volume	199510 Å³
包络体积 envelope_volume	237840 Å³
水化壳体积 shell_volume	55381 Å³
包络直径 envelope_diameter	124.1 Å
壳层 Rg shell_rg	42.21 Å
包络 Rg envelope_rg	34.88 Å
形状 Rg shape_rg	35.02 Å
总 Rg total_rg	35.40 Å
总原子数 total_atoms	11137
残基数 n_residues	1472
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	116.2 Å
Rg (实空间) rg_real	35.44 Å
Rg 误差 (实空间) rg_real_error	0.79 Å
I(0) (实空间) i0_real	3.7030e+08
I(0) 误差 (实空间) i0_real_error	5.4950e+06
Rg (倒空间) rg_reciprocal	35.48 Å
I(0) (倒空间) i0_reciprocal	370300000.0000
解质量估计 total_estimate	0.8836
解质量评级 solution_quality	GOOD a GOOD solution
P(r) 峰数 n_peaks	1
主峰位置 r_peak_primary	43.9 Å
偏度 Skewness skewness	0.311
峰度 Kurtosis kurtosis	-0.319
角度范围 angular_range	— – 0.2250 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	196700000.0000
实空间数据点数 n_real_points	46
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.876; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.853

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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	N-acylamino acid racemase
分子量 formula_weight	39448.3 kDa
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	11704

MKLSGVELRRVQMPLVAPFRTSFGTQSVRELLLLRAVTPAGEGWGECVTMAGPLYSSEYNDGAEHVLRHYLIPALLAAEDITAAKVTPLLAKFKGHRMAKGALEMAVLDAELRAHERSFAAELGSVRDSVPCGVSVGIMDTIPQLLDVVGGYLDEGYVRIKLKIEPGWDVEPVRAVRERFGDDVLLQVDANTAYTLGDAPQLARLDPFGLLLIEQPLEEEDVLGHAELARRIQTPICLDESIVSARAAADAIKLGAVQIVNIKPGRVGGYLEARRVHDVCAAHGIPVWCGGMIETGLGRAANVALASLPNFTLPGDTSASDRFYKTDITEPFVLSGGHLPVPTGPGLGVAPIPELLDEVTTAKVWIGS

来源 Source

来源生物 organism	Amycolatopsis sp.
NCBI 分类编号 ncbi_taxonomy_id	37632
宿主生物 host_organism	Escherichia coli BL21

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	N-ACETYLMETHIONINE
分子量 formula_weight	191.2 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

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	522

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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	d1sjaa1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.11 — Enolase C-terminal domain-like
家族 Family family	c.1.11.2 — D-glucarate dehydratase-like

结构域编号 domain_id	d1sjaa2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.54 — Enolase N-terminal domain-like
超家族 Superfamily superfamily	d.54.1 — Enolase N-terminal domain-like
家族 Family family	d.54.1.1 — Enolase N-terminal domain-like

结构域编号 domain_id	d1sjab1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.11 — Enolase C-terminal domain-like
家族 Family family	c.1.11.2 — D-glucarate dehydratase-like

结构域编号 domain_id	d1sjab2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.54 — Enolase N-terminal domain-like
超家族 Superfamily superfamily	d.54.1 — Enolase N-terminal domain-like
家族 Family family	d.54.1.1 — Enolase N-terminal domain-like

结构域编号 domain_id	d1sjac1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.11 — Enolase C-terminal domain-like
家族 Family family	c.1.11.2 — D-glucarate dehydratase-like

结构域编号 domain_id	d1sjac2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.54 — Enolase N-terminal domain-like
超家族 Superfamily superfamily	d.54.1 — Enolase N-terminal domain-like
家族 Family family	d.54.1.1 — Enolase N-terminal domain-like

结构域编号 domain_id	d1sjad1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.11 — Enolase C-terminal domain-like
家族 Family family	c.1.11.2 — D-glucarate dehydratase-like

结构域编号 domain_id	d1sjad2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.54 — Enolase N-terminal domain-like
超家族 Superfamily superfamily	d.54.1 — Enolase N-terminal domain-like
家族 Family family	d.54.1.1 — Enolase N-terminal domain-like

CATH v4.4 (8 domains)

结构域编号 domain_id	1sjaA01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	390 — Enolase-like; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Enolase-like, N-terminal domain

结构域编号 domain_id	1sjaA02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	120 — Enolase-like C-terminal domain

结构域编号 domain_id	1sjaB01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	390 — Enolase-like; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Enolase-like, N-terminal domain

结构域编号 domain_id	1sjaB02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	120 — Enolase-like C-terminal domain

结构域编号 domain_id	1sjaC01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	390 — Enolase-like; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Enolase-like, N-terminal domain

结构域编号 domain_id	1sjaC02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	120 — Enolase-like C-terminal domain

结构域编号 domain_id	1sjaD01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	390 — Enolase-like; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Enolase-like, N-terminal domain

结构域编号 domain_id	1sjaD02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	120 — Enolase-like C-terminal domain

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7. 引用文献 (1)

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晶胞边长 a length_a	215.300 Å
晶胞边长 b length_b	215.300 Å
晶胞边长 c length_c	259.100 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	120.00 °
晶胞分子数 Z z_pdb	72

空间群 space_group	H 3 2
空间群编号 int_tables_number	155
晶系 crystal_system	—

分辨率 resolution	2.300 Å
最低分辨率 resolution_low	20.000 Å
R 因子 r_factor	0.2150
R_work r_work	0.2110
R_free r_free	0.2800

fit	/app/data/saxs_computation/sj/1sja/1sja.fit
pddf	/app/data/pr_computation/sj/1sja/1sja.pr.out
profile	/app/data/saxs_computation/sj/1sja/1sja.dat