9b2f

Crystal structure of short chain dehydrogenase reductase 9 (short chain dehydrogenase reductase 9C4) in complex with NAD+

Method: X-RAY DIFFRACTION D_max: 72.0 Å Quality: REASONABLE

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	9b2f
沉积日期 deposition_date	2024-03-15
最后修订 last_revision	2025-03-19
结构标题 title	Crystal structure of short chain dehydrogenase reductase 9 (short chain dehydrogenase reductase 9C4) in complex with NAD+
关键词 keywords	short-chain dehydrogenase reductase, oxylipins, polyunsaturated fatty acids, 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	21.37 Å
回转半径 Rg (电子) rg_electron	20.68 Å
零角强度 I(0) i0	18611900.00
分子量 molecular_weight	33379.0 kDa
排除体积 excluded_volume	42183 Å³
包络体积 envelope_volume	50553 Å³
水化壳体积 shell_volume	20851 Å³
包络直径 envelope_diameter	75.9 Å
壳层 Rg shell_rg	26.87 Å
包络 Rg envelope_rg	21.08 Å
形状 Rg shape_rg	20.69 Å
总 Rg total_rg	21.51 Å
总原子数 total_atoms	2350
残基数 n_residues	299
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	72.0 Å
Rg (实空间) rg_real	21.43 Å
Rg 误差 (实空间) rg_real_error	0.57 Å
I(0) (实空间) i0_real	1.8610e+07
I(0) 误差 (实空间) i0_real_error	2.6150e+05
Rg (倒空间) rg_reciprocal	21.42 Å
I(0) (倒空间) i0_reciprocal	18610000.0000
解质量估计 total_estimate	0.6153
解质量评级 solution_quality	REASONABLE a REASONABLE solution
P(r) 峰数 n_peaks	3
主峰位置 r_peak_primary	25.4 Å
偏度 Skewness skewness	0.479
峰度 Kurtosis kurtosis	-0.078
角度范围 angular_range	— – 0.3700 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	3584000.0000
实空间数据点数 n_real_points	69
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.726; Stabil: 1.000; Sysdev: 0.281; Positv: 1.000; Valcen: 0.974; 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 (4)

Entity 1 polymer

描述 description	Dehydrogenase/reductase SDR family member 9
分子量 formula_weight	35289.1 kDa
EC 编号 ec_number	1.1.1.209,1.1.1.53,1.1.1.105
来源方法 src_method	man
拷贝数 entity_count	1

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	A
原子数 atom_count	2537

MLFWLLALLFLCAFLWNYKGQLKIADIADKYVFITGCDTGFGNLAARTFDKKGFRVIAACLTESGSAALKAKTSERLHTVLLDVTDPENVKKTAQWVKSHVGEKGLWGLINNAGVLGVLAPTDWLTVDDYREPIEVNLFGLINVTLNMLPLVKKARGRVINVSSIGGRLAFGGGGYTPSKYAVEGFNDSLRRDMKAFGVHVSCIEPGLFKTELADPIKTTEKKLAIWKHLSPDIKQQYGEGYIEKSLHRLKSNTSSVNLDLSLVVGCMDHALTSLFPKTRYIAGKDAKTFWIPLSHMPAVLQDFLLLKQKVELANPKAV

来源 Source

来源生物 organism	Mus musculus
通用名 common_name	house mouse
NCBI 分类编号 ncbi_taxonomy_id	10090
宿主生物 host_organism	Escherichia coli BL21(DE3)

Entity 2 non-polymer

描述 description	NICOTINAMIDE-ADENINE-DINUCLEOTIDE
分子量 formula_weight	663.4 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

Entity 3 non-polymer

描述 description	MALONATE ION
分子量 formula_weight	102.0 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

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	143

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7. 引用文献 (1)

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晶胞边长 a length_a	74.384 Å
晶胞边长 b length_b	103.045 Å
晶胞边长 c length_c	103.082 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	I 2 2 2
空间群编号 int_tables_number	23
晶系 crystal_system	—

分辨率 resolution	1.662 Å
最低分辨率 resolution_low	50.005 Å
R 因子 r_factor	—
R_work r_work	0.1661
R_free r_free	0.1931

fit	/app/data/saxs_computation/b2/9b2f/9b2f.fit
pddf	/app/data/pr_computation/b2/9b2f/9b2f.pr.out
profile	/app/data/saxs_computation/b2/9b2f/9b2f.dat

Crystal structure of short chain dehydrogenase reductase 9 (short chain dehydrogenase reductase 9C4) in complex with NAD+

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