SAXSdb — 1fdi

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1. 结构基本信息 1. Structure Basics

条目编号 entry_id	1fdi
沉积日期 deposition_date	1997-01-28
结构标题 title	OXIDIZED FORM OF FORMATE DEHYDROGENASE H FROM E. COLI COMPLEXED WITH THE INHIBITOR NITRITE
关键词 keywords	;OXIDOREDUCTASE, SELENIUM, SELENOCYSTEINE, SECYS, MOLYBDENUM, MOLYBDOPTERIN, MPT, MOLYBDOPTERIN GUANINE DINUCLEOTIDE, MGD, IRON SULFUR CLUSTER, FE4S4, FORMATE, DEHYDROGENASE, ANAEROBIC ;; 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	25.29 Å
回转半径 Rg (电子) rg_electron	24.53 Å
零角强度 I(0) i0	115258000.00
分子量 molecular_weight	81338.0 kDa
排除体积 excluded_volume	100260 Å³
包络体积 envelope_volume	111120 Å³
水化壳体积 shell_volume	35722 Å³
包络直径 envelope_diameter	80.1 Å
壳层 Rg shell_rg	33.53 Å
包络 Rg envelope_rg	24.94 Å
形状 Rg shape_rg	24.58 Å
总 Rg total_rg	25.22 Å
总原子数 total_atoms	5681
残基数 n_residues	715
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	77.4 Å
Rg (实空间) rg_real	25.17 Å
Rg 误差 (实空间) rg_real_error	0.38 Å
I(0) (实空间) i0_real	1.1530e+08
I(0) 误差 (实空间) i0_real_error	1.5100e+06
Rg (倒空间) rg_reciprocal	25.21 Å
I(0) (倒空间) i0_reciprocal	115300000.0000
解质量估计 total_estimate	0.7008
解质量评级 solution_quality	REASONABLE a REASONABLE solution
P(r) 峰数 n_peaks	2
主峰位置 r_peak_primary	30.7 Å
偏度 Skewness skewness	0.201
峰度 Kurtosis kurtosis	-0.442
角度范围 angular_range	— – 0.3150 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	29270000.0000
实空间数据点数 n_real_points	64
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.926; Stabil: 1.000; Sysdev: 0.120; Positv: 1.000; Valcen: 0.991; Smooth: 0.976

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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 (6)

Entity 1 polymer

描述 description	FORMATE DEHYDROGENASE H
分子量 formula_weight	79465.7 kDa
EC 编号 ec_number	1.2.1.2
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	5743

MKKVVTVCPYCASGCKINLVVDNGKIVRAEAAQGKTNQGTLCLKGYYGWDFINDTQILTPRLKTPMIRRQRGGKLEPVSWDEALNYVAERLSAIKEKYGPDAIQTTGSSRGTGNETNYVMQKFARAVIGTNNVDCCARVUHGPSVAGLHQSVGNGAMSNAINEIDNTDLVFVFGYNPADSHPIVANHVINAKRNGAKIIVCDPRKIETARIADMHIALKNGSNIALLNAMGHVIIEENLYDKAFVASRTEGFEEYRKIVEGYTPESVEDITGVSASEIRQAARMYAQAKSAAILWGMGVTQFYQGVETVRSLTSLAMLTGNLGKPHAGVNPVRGQNNVQGACDMGALPDTYPGYQYVKDPANREKFAKAWGVESLPAHTGYRISELPHRAAHGEVRAAYIMGEDPLQTDAELSAVRKAFEDLELVIVQDIFMTKTASAADVILPSTSWGEHEGVFTAADRGFQRFFKAVEPKWDLKTDWQIISEIATRMGYPMHYNNTQEIWDELRHLCPDFYGATYEKMGELGFIQWPCRDTSDADQGTSYLFKEKFDTPNGLAQFFTCDWVAPIDKLTDEYPMVLSTVREVGHYSCRSMTGNCAALAALADEPGYAQINTEDAKRLGIEDEALVWVHSRKGKIITRAQVSDRPNKGAIYMTYQWWIGACNELVTENLSPITKTPEYKYCAVRVEPIADQRAAEQYVIDEYNKLKTRLREAALA

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	NITRITE ION
分子量 formula_weight	46.0 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

Entity 3 non-polymer

描述 description	IRON/SULFUR CLUSTER
分子量 formula_weight	351.6 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

Entity 4 non-polymer

描述 description	2-AMINO-5,6-DIMERCAPTO-7-METHYL-3,7,8A,9-TETRAHYDRO-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-4-ONE GUANOSINE DINUCLEOTIDE
分子量 formula_weight	740.6 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

Entity 5 non-polymer

描述 description	MOLYBDENUM(VI) ION
分子量 formula_weight	95.9 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

Entity 6 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	62

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6. 折叠分类 (SCOP + CATH) 7 domains

SCOP 2.08 (2 domains)

结构域编号 domain_id	d1fdia1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.52 — Double psi beta-barrel
超家族 Superfamily superfamily	b.52.2 — ADC-like
家族 Family family	b.52.2.2 — Formate dehydrogenase/DMSO reductase, C-terminal domain

结构域编号 domain_id	d1fdia2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.81 — Formate dehydrogenase/DMSO reductase, domains 1-3
超家族 Superfamily superfamily	c.81.1 — Formate dehydrogenase/DMSO reductase, domains 1-3
家族 Family family	c.81.1.1 — Formate dehydrogenase/DMSO reductase, domains 1-3

CATH v4.4 (5 domains)

结构域编号 domain_id	1fdiA01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	20 — Single Sheet
拓扑 Topology topology	25 — N-terminal domain of TfIIb
同源超家族 H-superfamily homologous superfamily	90 — ADC-like domains

结构域编号 domain_id	1fdiA02
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	740 —

结构域编号 domain_id	1fdiA03
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	228 — Dimethylsulfoxide Reductase; domain 2
同源超家族 H-superfamily homologous superfamily	10 — Dimethylsulfoxide Reductase, domain 2

结构域编号 domain_id	1fdiA04
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	40 — Barwin-like endoglucanases
同源超家族 H-superfamily homologous superfamily	20 —

结构域编号 domain_id	1fdiA05
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	20 — Up-down Bundle
拓扑 Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
同源超家族 H-superfamily homologous superfamily	460 — Single helix bin

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7. 引用文献 (2)

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晶胞边长 a length_a	146.800 Å
晶胞边长 b length_b	146.800 Å
晶胞边长 c length_c	81.800 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 41 21 2
空间群编号 int_tables_number	92
晶系 crystal_system	—

分辨率 resolution	2.900 Å
最低分辨率 resolution_low	6.000 Å
R 因子 r_factor	0.1920
R_work r_work	0.1920
R_free r_free	0.2840

fit	/app/data/saxs_computation/fd/1fdi/1fdi.fit
pddf	/app/data/pr_computation/fd/1fdi/1fdi.pr.out
profile	/app/data/saxs_computation/fd/1fdi/1fdi.dat

OXIDIZED FORM OF FORMATE DEHYDROGENASE H FROM E. COLI COMPLEXED WITH THE INHIBITOR NITRITE

SAXS 散射曲线 SAXS Profile

P(r) 距离分布 P(r) Distribution