1j4a

INSIGHTS INTO DOMAIN CLOSURE, SUBSTRATE SPECIFICITY AND CATALYSIS OF D-LACTATE DEHYDROGENASE FROM LACTOBACILLUS BULGARICUS

Method: X-RAY DIFFRACTION D_max: 133.3 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	1j4a
沉积日期 deposition_date	2001-08-18
结构标题 title	INSIGHTS INTO DOMAIN CLOSURE, SUBSTRATE SPECIFICITY AND CATALYSIS OF D-LACTATE DEHYDROGENASE FROM LACTOBACILLUS BULGARICUS
关键词 keywords	NAD-DEPENDENT DEHYDROGENASE, REVERSIBLE INTERCONVERSION OF PYRUVATE INTO D-LACTATE, OXIDOREDUCTASE; OXIDOREDUCTASE
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	40.73 Å
回转半径 Rg (电子) rg_electron	40.59 Å
零角强度 I(0) i0	328576000.00
分子量 molecular_weight	148500.0 kDa
排除体积 excluded_volume	186050 Å³
包络体积 envelope_volume	242970 Å³
水化壳体积 shell_volume	51214 Å³
包络直径 envelope_diameter	135.6 Å
壳层 Rg shell_rg	44.66 Å
包络 Rg envelope_rg	39.90 Å
形状 Rg shape_rg	40.58 Å
总 Rg total_rg	40.83 Å
总原子数 total_atoms	10447
残基数 n_residues	1325
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	133.3 Å
Rg (实空间) rg_real	40.77 Å
Rg 误差 (实空间) rg_real_error	1.14 Å
I(0) (实空间) i0_real	3.2860e+08
I(0) 误差 (实空间) i0_real_error	6.0120e+06
Rg (倒空间) rg_reciprocal	40.73 Å
I(0) (倒空间) i0_reciprocal	328600000.0000
解质量估计 total_estimate	0.8225
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	41.0 Å
偏度 Skewness skewness	0.289
峰度 Kurtosis kurtosis	-0.621
角度范围 angular_range	— – 0.1950 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	25900000.0000
实空间数据点数 n_real_points	40
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.912; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.953; Smooth: 0.000

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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	D-LACTATE DEHYDROGENASE
分子量 formula_weight	37112.2 kDa
EC 编号 ec_number	1.1.1.28
突变 mutation	H297K
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	11428

MTKIFAYAIREDEKPFLKEWEDAHKDVEVEYTDKLLTPETVALAKGADGVVVYQQLDYIAETLQALADNGITKMSLRNVGVDNIDMAKAKELGFQITNVPVYSPNAIAEHAAIQAARILRQDKAMDEKVARHDLRWAPTIGREVRDQVVGVVGTGHIGQVFMQIMEGFGAKVITYDIFRNPELEKKGYYVDSLDDLYKQADVISLHVPDVPANVHMINDESIAKMKQDVVIVNVSRGPLVDTDAVIRGLDSGKIFGYAMDVYEGEVGIFNEDWEGKEFPDARLADLIARPNVLVTPKTAFYTTHAVRNMVVKAFDNNLELVEGKEAETPVKVG

来源 Source

来源生物 organism	Lactobacillus delbrueckii subsp. bulgaricus
NCBI 分类编号 ncbi_taxonomy_id	1585
宿主生物 host_organism	Escherichia coli

Entity 2 non-polymer

描述 description	SULFATE ION
分子量 formula_weight	96.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	11

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	900

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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	d1j4aa1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.2 — NAD(P)-binding Rossmann-fold domains
超家族 Superfamily superfamily	c.2.1 — NAD(P)-binding Rossmann-fold domains
家族 Family family	c.2.1.4 — Formate/glycerate dehydrogenases, NAD-domain

结构域编号 domain_id	d1j4aa2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.23 — Flavodoxin-like
超家族 Superfamily superfamily	c.23.12 — Formate/glycerate dehydrogenase catalytic domain-like
家族 Family family	c.23.12.1 — Formate/glycerate dehydrogenases, substrate-binding domain

结构域编号 domain_id	d1j4ab1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.2 — NAD(P)-binding Rossmann-fold domains
超家族 Superfamily superfamily	c.2.1 — NAD(P)-binding Rossmann-fold domains
家族 Family family	c.2.1.4 — Formate/glycerate dehydrogenases, NAD-domain

结构域编号 domain_id	d1j4ab2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.23 — Flavodoxin-like
超家族 Superfamily superfamily	c.23.12 — Formate/glycerate dehydrogenase catalytic domain-like
家族 Family family	c.23.12.1 — Formate/glycerate dehydrogenases, substrate-binding domain

结构域编号 domain_id	d1j4ac1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.2 — NAD(P)-binding Rossmann-fold domains
超家族 Superfamily superfamily	c.2.1 — NAD(P)-binding Rossmann-fold domains
家族 Family family	c.2.1.4 — Formate/glycerate dehydrogenases, NAD-domain

结构域编号 domain_id	d1j4ac2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.23 — Flavodoxin-like
超家族 Superfamily superfamily	c.23.12 — Formate/glycerate dehydrogenase catalytic domain-like
家族 Family family	c.23.12.1 — Formate/glycerate dehydrogenases, substrate-binding domain

结构域编号 domain_id	d1j4ad1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.2 — NAD(P)-binding Rossmann-fold domains
超家族 Superfamily superfamily	c.2.1 — NAD(P)-binding Rossmann-fold domains
家族 Family family	c.2.1.4 — Formate/glycerate dehydrogenases, NAD-domain

结构域编号 domain_id	d1j4ad2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.23 — Flavodoxin-like
超家族 Superfamily superfamily	c.23.12 — Formate/glycerate dehydrogenase catalytic domain-like
家族 Family family	c.23.12.1 — Formate/glycerate dehydrogenases, substrate-binding domain

CATH v4.4 (8 domains)

结构域编号 domain_id	1j4aA01
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	720 — NAD(P)-binding Rossmann-like Domain

结构域编号 domain_id	1j4aA02
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	720 — NAD(P)-binding Rossmann-like Domain

结构域编号 domain_id	1j4aB01
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	720 — NAD(P)-binding Rossmann-like Domain

结构域编号 domain_id	1j4aB02
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	720 — NAD(P)-binding Rossmann-like Domain

结构域编号 domain_id	1j4aC01
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	720 — NAD(P)-binding Rossmann-like Domain

结构域编号 domain_id	1j4aC02
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	720 — NAD(P)-binding Rossmann-like Domain

结构域编号 domain_id	1j4aD01
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	720 — NAD(P)-binding Rossmann-like Domain

结构域编号 domain_id	1j4aD02
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	720 — NAD(P)-binding Rossmann-like Domain

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7. 引用文献 (2)

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晶胞边长 a length_a	94.300 Å
晶胞边长 b length_b	188.000 Å
晶胞边长 c length_c	193.400 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	32

空间群 space_group	C 2 2 21
空间群编号 int_tables_number	20
晶系 crystal_system	—

分辨率 resolution	1.900 Å
最低分辨率 resolution_low	19.000 Å
R 因子 r_factor	0.2040
R_work r_work	0.2040
R_free r_free	0.2590

fit	/app/data/saxs_computation/j4/1j4a/1j4a.fit
pddf	/app/data/pr_computation/j4/1j4a/1j4a.pr.out
profile	/app/data/saxs_computation/j4/1j4a/1j4a.dat