SAXSdb — 1ngs

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1. 结构基本信息 1. Structure Basics

条目编号 entry_id	1ngs
沉积日期 deposition_date	1996-09-25
结构标题 title	COMPLEX OF TRANSKETOLASE WITH THIAMIN DIPHOSPHATE, CA2+ AND ACCEPTOR SUBSTRATE ERYTHROSE-4-PHOSPHATE
关键词 keywords	TRANSFERASE, THIAMINE PYROPHOSPHATE, MAGNESIUM, MULTIGENE FAMILY; 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	32.02 Å
回转半径 Rg (电子) rg_electron	31.29 Å
零角强度 I(0) i0	334131000.00
分子量 molecular_weight	148470.0 kDa
排除体积 excluded_volume	186230 Å³
包络体积 envelope_volume	215310 Å³
水化壳体积 shell_volume	54010 Å³
包络直径 envelope_diameter	102.8 Å
壳层 Rg shell_rg	40.67 Å
包络 Rg envelope_rg	31.68 Å
形状 Rg shape_rg	31.28 Å
总 Rg total_rg	32.01 Å
总原子数 total_atoms	10474
残基数 n_residues	1356
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	93.8 Å
Rg (实空间) rg_real	31.77 Å
Rg 误差 (实空间) rg_real_error	0.48 Å
I(0) (实空间) i0_real	3.3410e+08
I(0) 误差 (实空间) i0_real_error	4.7810e+06
Rg (倒空间) rg_reciprocal	31.88 Å
I(0) (倒空间) i0_reciprocal	334200000.0000
解质量估计 total_estimate	0.9057
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	42.1 Å
偏度 Skewness skewness	0.104
峰度 Kurtosis kurtosis	-0.542
角度范围 angular_range	— – 0.2450 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	152300000.0000
实空间数据点数 n_real_points	50
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.966; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.976; Smooth: 0.896

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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 (5)

Entity 1 polymer

描述 description	TRANSKETOLASE
分子量 formula_weight	73887.4 kDa
EC 编号 ec_number	2.2.1.1
来源方法 src_method	man
拷贝数 entity_count	2

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	A,B
原子数 atom_count	10928

MTQFTDIDKLAVSTIRILAVDTVSKANSGHPGAPLGMAPAAHVLWSQMRMNPTNPDWINRDRFVLSNGHAVALLYSMLHLTGYDLSIEDLKQFRQLGSRTPGHPEFELPGVEVTTGPLGQGISNAVGMAMAQANLAATYNKPGFTLSDNYTYVFLGDGCLQEGISSEASSLAGHLKLGNLIAIYDDNKITIDGATSISFDEDVAKRYEAYGWEVLYVENGNEDLAGIAKAIAQAKLSKDKPTLIKMTTTIGYGSLHAGSHSVHGAPLKADDVKQLKSKFGFNPDKSFVVPQEVYDHYQKTILKPGVEANNKWNKLFSEYQKKFPELGAELARRLSGQLPANWESKLPTYTAKDSAVATRKLSETVLEDVYNQLPELIGGSADLTPSNLTRWKEALDFQPPSSGSGNYSGRYIRYGIREHAMGAIMNGISAFGANYKPYGGTFLNFVSYAAGAVRLSALSGHPVIWVATHDSIGVGEDGPTHQPIETLAHFRSLPNIQVWRPADGNEVSAAYKNSLESKHTPSIIALSRQNLPQLEGSSIESASKGGYVLQDVANPDIILVATGSEVSLSVEAAKTLAAKNIKARVVSLPDFFTFDKQPLEYRLSVLPDNVPIMSVEVLATTCWGKYAHQSFGIDRFGASGKAPEVFKFFGFTPEGVAERAQKTIAFYKGDKLISPLKKAF

来源 Source

来源生物 organism	Saccharomyces cerevisiae
通用名 common_name	;baker's yeast ;
NCBI 分类编号 ncbi_taxonomy_id	4932
宿主生物 host_organism	Saccharomyces cerevisiae

Entity 2 non-polymer

描述 description	CALCIUM ION
分子量 formula_weight	40.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

Entity 3 non-polymer

描述 description	ERYTHOSE-4-PHOSPHATE
分子量 formula_weight	200.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

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	2

Entity 5 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	454

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6. 折叠分类 (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

结构域编号 domain_id	d1ngsa1
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.36.1.10 — TK-like PP module

结构域编号 domain_id	d1ngsa2
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.36.1.6 — TK-like Pyr module

结构域编号 domain_id	d1ngsa3
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.48 — TK C-terminal domain-like
超家族 Superfamily superfamily	c.48.1 — TK C-terminal domain-like
家族 Family family	c.48.1.1 — Transketolase C-terminal domain-like

结构域编号 domain_id	d1ngsb1
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.36.1.10 — TK-like PP module

结构域编号 domain_id	d1ngsb2
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.36.1.6 — TK-like Pyr module

结构域编号 domain_id	d1ngsb3
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.48 — TK C-terminal domain-like
超家族 Superfamily superfamily	c.48.1 — TK C-terminal domain-like
家族 Family family	c.48.1.1 — Transketolase C-terminal domain-like

CATH v4.4 (6 domains)

结构域编号 domain_id	1ngsA01
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	1ngsA02
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	1ngsA03
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	920 —

结构域编号 domain_id	1ngsB01
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	1ngsB02
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	1ngsB03
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	920 —

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7. 引用文献 (3)

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晶胞边长 a length_a	76.500 Å
晶胞边长 b length_b	113.300 Å
晶胞边长 c length_c	160.900 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	8

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	2.400 Å
最低分辨率 resolution_low	10.000 Å
R 因子 r_factor	0.2060
R_work r_work	0.2060
R_free r_free	0.2390

fit	/app/data/saxs_computation/ng/1ngs/1ngs.fit
pddf	/app/data/pr_computation/ng/1ngs/1ngs.pr.out
profile	/app/data/saxs_computation/ng/1ngs/1ngs.dat

COMPLEX OF TRANSKETOLASE WITH THIAMIN DIPHOSPHATE, CA2+ AND ACCEPTOR SUBSTRATE ERYTHROSE-4-PHOSPHATE

SAXS 散射曲线 SAXS Profile

P(r) 距离分布 P(r) Distribution

1. 结构基本信息 1. Structure Basics

2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)

3. P(r) 距离分布 (GNOM 反演) 3. P(r) Analysis (GNOM)

4. 晶体学与实验 4. Crystallography & Experiment

晶胞参数 Unit Cell

对称性 Symmetry

精修参数 Refinement

衍射实验 Diffraction