SAXSdb — 2bfa

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1. 结构基本信息 1. Structure Basics

条目编号 entry_id	2bfa
沉积日期 deposition_date	2004-12-06
结构标题 title	Leishmania major pteridine reductase 1 in complex with NADP and CB3717
关键词 keywords	;PTERIDINE REDUCTASE, TRYPANOSOMATIDS, DRUG RESISTANCE, PTERIN SALVAGE, SHORT-CHAIN DEHYDROGENASE/REDUCTASE, METHOTREXATE RESISTANCE, NADP, 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	29.76 Å
回转半径 Rg (电子) rg_electron	28.66 Å
零角强度 I(0) i0	218535000.00
分子量 molecular_weight	115620.0 kDa
排除体积 excluded_volume	143810 Å³
包络体积 envelope_volume	166060 Å³
水化壳体积 shell_volume	45926 Å³
包络直径 envelope_diameter	95.8 Å
壳层 Rg shell_rg	38.00 Å
包络 Rg envelope_rg	28.88 Å
形状 Rg shape_rg	28.68 Å
总 Rg total_rg	29.35 Å
总原子数 total_atoms	8108
残基数 n_residues	1039
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	92.3 Å
Rg (实空间) rg_real	29.60 Å
Rg 误差 (实空间) rg_real_error	0.46 Å
I(0) (实空间) i0_real	2.1850e+08
I(0) 误差 (实空间) i0_real_error	3.1970e+06
Rg (倒空间) rg_reciprocal	29.67 Å
I(0) (倒空间) i0_reciprocal	218500000.0000
解质量估计 total_estimate	0.8979
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	38.3 Å
偏度 Skewness skewness	0.174
峰度 Kurtosis kurtosis	-0.450
角度范围 angular_range	— – 0.2650 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	54850000.0000
实空间数据点数 n_real_points	54
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.919; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.984; Smooth: 0.927

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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	PTERIDINE REDUCTASE 1
分子量 formula_weight	30440.6 kDa
EC 编号 ec_number	1.5.1.33
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	8319

MTAPTVPVALVTGAAKRLGRSIAEGLHAEGYAVCLHYHRSAAEANALSATLNARRPNSAITVQADLSNVATAPVSGADGSAPVTLFTRCAELVAACYTHWGRCDVLVNNASSFYPTPLLRNDEDGHEPCVGDREAMETATADLFGSNAIAPYFLIKAFAHRVAGTPAKHRGTNYSIINMVDAMTNQPLLGYTIYTMAKGALEGLTRSAALELAPLQIRVNGVGPGLSVLVDDMPPAVWEGHRSKVPLYQRDSSAAEVSDVVIFLCSSKAKYITGTCVKVDGGYSLTRA

来源 Source

来源生物 organism	LEISHMANIA MAJOR
NCBI 分类编号 ncbi_taxonomy_id	5664
宿主生物 host_organism	ESCHERICHIA COLI

Entity 2 non-polymer

描述 description	NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
分子量 formula_weight	745.4 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

Entity 3 non-polymer

描述 description	10-PROPARGYL-5,8-DIDEAZAFOLIC ACID
分子量 formula_weight	477.5 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

Entity 4 non-polymer

描述 description	1,2-ETHANEDIOL
分子量 formula_weight	62.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	6

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	211

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6. 折叠分类 (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

结构域编号 domain_id	d2bfaa_
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.2.1.2 — Tyrosine-dependent oxidoreductases

结构域编号 domain_id	d2bfab_
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.2.1.2 — Tyrosine-dependent oxidoreductases

结构域编号 domain_id	d2bfac_
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.2.1.2 — Tyrosine-dependent oxidoreductases

结构域编号 domain_id	d2bfad_
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.2.1.2 — Tyrosine-dependent oxidoreductases

CATH v4.4 (4 domains)

结构域编号 domain_id	2bfaA00
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	2bfaB00
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	2bfaC00
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	2bfaD00
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 (1)

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晶胞边长 a length_a	94.538 Å
晶胞边长 b length_b	103.834 Å
晶胞边长 c length_c	137.045 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	16

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	2.700 Å
最低分辨率 resolution_low	24.500 Å
R 因子 r_factor	0.2050
R_work r_work	0.2030
R_free r_free	0.2360

fit	/app/data/saxs_computation/bf/2bfa/2bfa.fit
pddf	/app/data/pr_computation/bf/2bfa/2bfa.pr.out
profile	/app/data/saxs_computation/bf/2bfa/2bfa.dat

Leishmania major pteridine reductase 1 in complex with NADP and CB3717

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