1htt

HISTIDYL-TRNA SYNTHETASE

Method: X-RAY DIFFRACTION D_max: 142.2 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	1htt
沉积日期 deposition_date	1996-03-09
结构标题 title	HISTIDYL-TRNA SYNTHETASE
关键词 keywords	;COMPLEX (TRNA SYNTHETASE-HIS-ADENYLATE), AMINOACYL-TRNA SYNTHASE, LIGASE, SYNTHETASE, COMPLEX (TRNA SYNTHETASE-HIS-ADENYLATE) complex ;; COMPLEX (TRNA SYNTHETASE/HIS-ADENYLATE)
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	41.76 Å
回转半径 Rg (电子) rg_electron	41.60 Å
零角强度 I(0) i0	406126000.00
分子量 molecular_weight	161680.0 kDa
排除体积 excluded_volume	200950 Å³
包络体积 envelope_volume	260050 Å³
水化壳体积 shell_volume	52972 Å³
包络直径 envelope_diameter	143.6 Å
壳层 Rg shell_rg	45.51 Å
包络 Rg envelope_rg	41.58 Å
形状 Rg shape_rg	41.58 Å
总 Rg total_rg	41.86 Å
总原子数 total_atoms	11386
残基数 n_residues	1446
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	142.2 Å
Rg (实空间) rg_real	41.88 Å
Rg 误差 (实空间) rg_real_error	1.48 Å
I(0) (实空间) i0_real	4.0610e+08
I(0) 误差 (实空间) i0_real_error	7.7000e+06
Rg (倒空间) rg_reciprocal	41.76 Å
I(0) (倒空间) i0_reciprocal	406100000.0000
解质量估计 total_estimate	0.8764
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	41.1 Å
偏度 Skewness skewness	0.377
峰度 Kurtosis kurtosis	-0.505
角度范围 angular_range	— – 0.1900 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	69070000.0000
实空间数据点数 n_real_points	39
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.855; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.963; Smooth: 0.859

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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	HISTIDYL-TRNA SYNTHETASE
分子量 formula_weight	46954.1 kDa
EC 编号 ec_number	6.1.1.21
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	11543

AKNIQAIRGMNDYLPGETAIWQRIEGTLKNVLGSYGYSEIRLPIVEQTPLFKRAIGEVTDVVEKEMYTFEDRNGDSLTLRPEGTAGCVRAGIEHGLLYNQEQRLWYIGPMFRHERPQKGRYRQFHQLGCEVFGLQGPDIDAELIMLTARWWRALGISEHVTLELNSIGSLEARANYRDALVAFLEQHKEKLDEDCKRRMYTNPLRVLDSKNPEVQALLNDAPALGDYLDEESREHFAGLCKLLESAGIAYTVNQRLVRGLDYYNRTVFEWVTNSLGSQGTVCAGGRYDGLVEQLGGRATPAVGFAMGLERLVLLVQAVNPEFKADPVVDIYLVASGADTQSAAMALAERLRDELPGVKLMTNHGGGNFKKQFARADKWGARVAVVLGESEVANGTAVVKDLRSGEQTAVAQDSVAAHLRTLLG

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	HISTIDINE
分子量 formula_weight	156.2 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

Entity 3 non-polymer

描述 description	ADENOSINE MONOPHOSPHATE
分子量 formula_weight	347.2 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	157

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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	d1htta1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.51 — Anticodon-binding domain-like
超家族 Superfamily superfamily	c.51.1 — Class II aaRS ABD-related
家族 Family family	c.51.1.1 — Anticodon-binding domain of Class II aaRS

结构域编号 domain_id	d1htta2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.104 — Class II aaRS and biotin synthetases
超家族 Superfamily superfamily	d.104.1 — Class II aaRS and biotin synthetases
家族 Family family	d.104.1.1 — Class II aminoacyl-tRNA synthetase (aaRS)-like, catalytic domain

结构域编号 domain_id	d1httb1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.51 — Anticodon-binding domain-like
超家族 Superfamily superfamily	c.51.1 — Class II aaRS ABD-related
家族 Family family	c.51.1.1 — Anticodon-binding domain of Class II aaRS

结构域编号 domain_id	d1httb2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.104 — Class II aaRS and biotin synthetases
超家族 Superfamily superfamily	d.104.1 — Class II aaRS and biotin synthetases
家族 Family family	d.104.1.1 — Class II aminoacyl-tRNA synthetase (aaRS)-like, catalytic domain

结构域编号 domain_id	d1httc1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.51 — Anticodon-binding domain-like
超家族 Superfamily superfamily	c.51.1 — Class II aaRS ABD-related
家族 Family family	c.51.1.1 — Anticodon-binding domain of Class II aaRS

结构域编号 domain_id	d1httc2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.104 — Class II aaRS and biotin synthetases
超家族 Superfamily superfamily	d.104.1 — Class II aaRS and biotin synthetases
家族 Family family	d.104.1.1 — Class II aminoacyl-tRNA synthetase (aaRS)-like, catalytic domain

结构域编号 domain_id	d1httd1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.51 — Anticodon-binding domain-like
超家族 Superfamily superfamily	c.51.1 — Class II aaRS ABD-related
家族 Family family	c.51.1.1 — Anticodon-binding domain of Class II aaRS

结构域编号 domain_id	d1httd2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.104 — Class II aaRS and biotin synthetases
超家族 Superfamily superfamily	d.104.1 — Class II aaRS and biotin synthetases
家族 Family family	d.104.1.1 — Class II aminoacyl-tRNA synthetase (aaRS)-like, catalytic domain

CATH v4.4 (8 domains)

结构域编号 domain_id	1httA01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	930 — BirA Bifunctional Protein; domain 2
同源超家族 H-superfamily homologous superfamily	10 — Bira Bifunctional Protein; Domain 2

结构域编号 domain_id	1httA02
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	800 — Anticodon-binding domain

结构域编号 domain_id	1httB01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	930 — BirA Bifunctional Protein; domain 2
同源超家族 H-superfamily homologous superfamily	10 — Bira Bifunctional Protein; Domain 2

结构域编号 domain_id	1httB02
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	800 — Anticodon-binding domain

结构域编号 domain_id	1httC01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	930 — BirA Bifunctional Protein; domain 2
同源超家族 H-superfamily homologous superfamily	10 — Bira Bifunctional Protein; Domain 2

结构域编号 domain_id	1httC02
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	800 — Anticodon-binding domain

结构域编号 domain_id	1httD01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	930 — BirA Bifunctional Protein; domain 2
同源超家族 H-superfamily homologous superfamily	10 — Bira Bifunctional Protein; Domain 2

结构域编号 domain_id	1httD02
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	800 — Anticodon-binding domain

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7. 引用文献 (3)

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晶胞边长 a length_a	61.400 Å
晶胞边长 b length_b	110.700 Å
晶胞边长 c length_c	108.700 Å
晶胞夹角 α angle_alpha	115.00 °
晶胞夹角 β angle_beta	97.40 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	4

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

分辨率 resolution	2.600 Å
最低分辨率 resolution_low	8.000 Å
R 因子 r_factor	0.2460
R_work r_work	0.2460
R_free r_free	0.3270

fit	/app/data/saxs_computation/ht/1htt/1htt.fit
pddf	/app/data/pr_computation/ht/1htt/1htt.pr.out
profile	/app/data/saxs_computation/ht/1htt/1htt.dat