1sxi

Structure of apo transcription regulator B. megaterium

Method: X-RAY DIFFRACTION D_max: 229.5 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	1sxi
沉积日期 deposition_date	2004-03-30
结构标题 title	Structure of apo transcription regulator B. megaterium
关键词 keywords	allosterism; phosphoprotein; transcription regulation; GRam positive bacteria; CCR, transcription; TRANSCRIPTION
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	62.38 Å
回转半径 Rg (电子) rg_electron	62.89 Å
零角强度 I(0) i0	1961310000.00
分子量 molecular_weight	367080.0 kDa
排除体积 excluded_volume	455910 Å³
包络体积 envelope_volume	662950 Å³
水化壳体积 shell_volume	92236 Å³
包络直径 envelope_diameter	211.8 Å
壳层 Rg shell_rg	59.50 Å
包络 Rg envelope_rg	61.12 Å
形状 Rg shape_rg	62.91 Å
总 Rg total_rg	62.72 Å
总原子数 total_atoms	25478
残基数 n_residues	3180
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	229.5 Å
Rg (实空间) rg_real	62.80 Å
Rg 误差 (实空间) rg_real_error	4.52 Å
I(0) (实空间) i0_real	1.9610e+09
I(0) 误差 (实空间) i0_real_error	4.8220e+07
Rg (倒空间) rg_reciprocal	61.98 Å
I(0) (倒空间) i0_reciprocal	1959000000.0000
解质量估计 total_estimate	0.8440
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	55.1 Å
偏度 Skewness skewness	0.403
峰度 Kurtosis kurtosis	-0.475
角度范围 angular_range	— – 0.1250 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	115400000.0000
实空间数据点数 n_real_points	26
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.738; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.935; Smooth: 0.817

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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	Glucose-resistance amylase regulator
分子量 formula_weight	31367.3 kDa
突变 mutation	residues 53-332
来源方法 src_method	man
拷贝数 entity_count	12

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	A,D,B,I,R,T,L,K,W,G,N,M
原子数 atom_count	25483

RGLASKKTTTVGVIIPDISNIFYAELARGIEDIATMYKYNIILSNSDQNQDKELHLLNNMLGKQVDGIIFMSGNVTEEHVEELKKSPVPVVLAASIESTNQIPSVTIDYEQAAFDAVQSLIDSGHKNIAFVSGTLEEPINHAKKVKGYKRALTESGLPVRDSYIVEGDYTYDSGIEAVEKLLEEDEKPTAIFVGTDEMALGVIHGAQDRGLNVPNDLEIIGFDNTRLSTMVRPQLTSVVQPMYDIGAVAMRLLTKYMNKETVDSSIVQLPHRIEFRQSTK

来源 Source

来源生物 organism	Bacillus megaterium
NCBI 分类编号 ncbi_taxonomy_id	1404
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	2

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	5

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6. 折叠分类 (SCOP + CATH) 36 domains

SCOP 2.08 (12 domains)

结构域编号 domain_id	d1sxia_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.93 — Periplasmic binding protein-like I
超家族 Superfamily superfamily	c.93.1 — Periplasmic binding protein-like I
家族 Family family	c.93.1.1 — L-arabinose binding protein-like

结构域编号 domain_id	d1sxib_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.93 — Periplasmic binding protein-like I
超家族 Superfamily superfamily	c.93.1 — Periplasmic binding protein-like I
家族 Family family	c.93.1.1 — L-arabinose binding protein-like

结构域编号 domain_id	d1sxid_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.93 — Periplasmic binding protein-like I
超家族 Superfamily superfamily	c.93.1 — Periplasmic binding protein-like I
家族 Family family	c.93.1.1 — L-arabinose binding protein-like

结构域编号 domain_id	d1sxig_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.93 — Periplasmic binding protein-like I
超家族 Superfamily superfamily	c.93.1 — Periplasmic binding protein-like I
家族 Family family	c.93.1.1 — L-arabinose binding protein-like

结构域编号 domain_id	d1sxii_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.93 — Periplasmic binding protein-like I
超家族 Superfamily superfamily	c.93.1 — Periplasmic binding protein-like I
家族 Family family	c.93.1.1 — L-arabinose binding protein-like

结构域编号 domain_id	d1sxik_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.93 — Periplasmic binding protein-like I
超家族 Superfamily superfamily	c.93.1 — Periplasmic binding protein-like I
家族 Family family	c.93.1.1 — L-arabinose binding protein-like

结构域编号 domain_id	d1sxil_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.93 — Periplasmic binding protein-like I
超家族 Superfamily superfamily	c.93.1 — Periplasmic binding protein-like I
家族 Family family	c.93.1.1 — L-arabinose binding protein-like

结构域编号 domain_id	d1sxim_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.93 — Periplasmic binding protein-like I
超家族 Superfamily superfamily	c.93.1 — Periplasmic binding protein-like I
家族 Family family	c.93.1.1 — L-arabinose binding protein-like

结构域编号 domain_id	d1sxin_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.93 — Periplasmic binding protein-like I
超家族 Superfamily superfamily	c.93.1 — Periplasmic binding protein-like I
家族 Family family	c.93.1.1 — L-arabinose binding protein-like

结构域编号 domain_id	d1sxir_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.93 — Periplasmic binding protein-like I
超家族 Superfamily superfamily	c.93.1 — Periplasmic binding protein-like I
家族 Family family	c.93.1.1 — L-arabinose binding protein-like

结构域编号 domain_id	d1sxit_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.93 — Periplasmic binding protein-like I
超家族 Superfamily superfamily	c.93.1 — Periplasmic binding protein-like I
家族 Family family	c.93.1.1 — L-arabinose binding protein-like

结构域编号 domain_id	d1sxiw_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.93 — Periplasmic binding protein-like I
超家族 Superfamily superfamily	c.93.1 — Periplasmic binding protein-like I
家族 Family family	c.93.1.1 — L-arabinose binding protein-like

CATH v4.4 (24 domains)

结构域编号 domain_id	1sxiA01
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	2300 — Response regulator

结构域编号 domain_id	1sxiA02
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	2300 — Response regulator

结构域编号 domain_id	1sxiB01
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	2300 — Response regulator

结构域编号 domain_id	1sxiB02
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	2300 — Response regulator

结构域编号 domain_id	1sxiD01
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	2300 — Response regulator

结构域编号 domain_id	1sxiD02
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	2300 — Response regulator

结构域编号 domain_id	1sxiG01
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	2300 — Response regulator

结构域编号 domain_id	1sxiG02
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	2300 — Response regulator

结构域编号 domain_id	1sxiI01
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	2300 — Response regulator

结构域编号 domain_id	1sxiI02
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	2300 — Response regulator

结构域编号 domain_id	1sxiK01
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	2300 — Response regulator

结构域编号 domain_id	1sxiK02
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	2300 — Response regulator

结构域编号 domain_id	1sxiL01
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	2300 — Response regulator

结构域编号 domain_id	1sxiL02
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	2300 — Response regulator

结构域编号 domain_id	1sxiM01
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	2300 — Response regulator

结构域编号 domain_id	1sxiM02
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	2300 — Response regulator

结构域编号 domain_id	1sxiN01
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	2300 — Response regulator

结构域编号 domain_id	1sxiN02
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	2300 — Response regulator

结构域编号 domain_id	1sxiR01
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	2300 — Response regulator

结构域编号 domain_id	1sxiR02
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	2300 — Response regulator

结构域编号 domain_id	1sxiT01
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	2300 — Response regulator

结构域编号 domain_id	1sxiT02
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	2300 — Response regulator

结构域编号 domain_id	1sxiW01
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	2300 — Response regulator

结构域编号 domain_id	1sxiW02
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	2300 — Response regulator

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7. 引用文献 (1)

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晶胞边长 a length_a	110.240 Å
晶胞边长 b length_b	106.220 Å
晶胞边长 c length_c	157.740 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	108.20 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	24

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	3.000 Å
最低分辨率 resolution_low	74.580 Å
R 因子 r_factor	0.2200
R_work r_work	0.2200
R_free r_free	0.2820

fit	/app/data/saxs_computation/sx/1sxi/1sxi.fit
pddf	/app/data/pr_computation/sx/1sxi/1sxi.pr.out
profile	/app/data/saxs_computation/sx/1sxi/1sxi.dat