1xwf

K185N mutated S-adenosylhomocysteine hydrolase

Method: X-RAY DIFFRACTION D_max: 111.8 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

▼

1. 结构基本信息 1. Structure Basics

条目编号 entry_id	1xwf
沉积日期 deposition_date	2004-11-01
结构标题 title	K185N mutated S-adenosylhomocysteine hydrolase
关键词 keywords	S-Adenosylhomocysteine hydrolase, AdoHcy hydrolase, AdoHcyase, SAHH, HYDROLASE; HYDROLASE
实验方法 method	X-RAY DIFFRACTION

▼

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

回转半径 Rg (Guinier) rg_guinier	35.45 Å
回转半径 Rg (电子) rg_electron	35.07 Å
零角强度 I(0) i0	566429000.00
分子量 molecular_weight	192980.0 kDa
排除体积 excluded_volume	241290 Å³
包络体积 envelope_volume	282430 Å³
水化壳体积 shell_volume	64063 Å³
包络直径 envelope_diameter	120.3 Å
壳层 Rg shell_rg	43.64 Å
包络 Rg envelope_rg	35.07 Å
形状 Rg shape_rg	35.10 Å
总 Rg total_rg	35.46 Å
总原子数 total_atoms	13524
残基数 n_residues	1720
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

▼

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

最大尺寸 Dmax dmax	111.8 Å
Rg (实空间) rg_real	35.28 Å
Rg 误差 (实空间) rg_real_error	0.59 Å
I(0) (实空间) i0_real	5.6640e+08
I(0) 误差 (实空间) i0_real_error	7.8960e+06
Rg (倒空间) rg_reciprocal	35.39 Å
I(0) (倒空间) i0_reciprocal	566500000.0000
解质量估计 total_estimate	0.8893
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	44.7 Å
偏度 Skewness skewness	0.208
峰度 Kurtosis kurtosis	-0.376
角度范围 angular_range	— – 0.2250 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	243700000.0000
实空间数据点数 n_real_points	46
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.895; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.982; Smooth: 0.890

▶

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

▶

5. 实体与聚合体信息 (4)

Entity 1 polymer

描述 description	Adenosylhomocysteinase
分子量 formula_weight	47450.6 kDa
EC 编号 ec_number	3.3.1.1
突变 mutation	K185N
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	13564

ADKLPYKVADIGLAAWGRKALDIAENEMPGLMRMREMYSASKPLKGARIAGCLHMTVETAVLIETLVALGAEVRWSSCNIFSTQDHAAAAIAKAGIPVFAWKGETDEEYLWCIEQTLHFKDGPLNMILDDGGDLTNLIHTKHPQLLSGIRGISEETTTGVHNLYKMMANGILKVPAINVNDSVTNSKFDNLYGCRESLIDGIKRATDVMIAGKVAVVAGYGDVGKGCAQALRGFGARVIITEIDPINALQAAMEGYEVTTMDEACKEGNIFVTTTGCVDIILGRHFEQMKDDAIVCNIGHFDVEIDVKWLNENAVEKVNIKPQVDRYLLKNGHRIILLAEGRLVNLGCAMGHPSFVMSNSFTNQVMAQIELWTHPDKYPVGVHFLPKKLDEAVAEAHLGKLNVKLTKLTEKQAQYLGMPINGPFKPDHYRY

来源 Source

来源生物 organism	Rattus norvegicus
通用名 common_name	Norway rat
NCBI 分类编号 ncbi_taxonomy_id	10116
宿主生物 host_organism	Escherichia coli

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	4

Entity 3 non-polymer

描述 description	ADENOSINE
分子量 formula_weight	267.2 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

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	40

▼

6. 折叠分类 (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

结构域编号 domain_id	d1xwfa1
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	d1xwfa2
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.23.12.3 — S-adenosylhomocystein hydrolase

结构域编号 domain_id	d1xwfb1
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	d1xwfb2
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.23.12.3 — S-adenosylhomocystein hydrolase

结构域编号 domain_id	d1xwfc1
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	d1xwfc2
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.23.12.3 — S-adenosylhomocystein hydrolase

结构域编号 domain_id	d1xwfd1
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	d1xwfd2
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.23.12.3 — S-adenosylhomocystein hydrolase

CATH v4.4 (8 domains)

结构域编号 domain_id	1xwfA01
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	1480 — Adenosylhomocysteinase-like

结构域编号 domain_id	1xwfA02
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	1xwfB01
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	1480 — Adenosylhomocysteinase-like

结构域编号 domain_id	1xwfB02
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	1xwfC01
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	1480 — Adenosylhomocysteinase-like

结构域编号 domain_id	1xwfC02
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	1xwfD01
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	1480 — Adenosylhomocysteinase-like

结构域编号 domain_id	1xwfD02
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

▶

7. 引用文献 (1)

▶

晶胞边长 a length_a	90.340 Å
晶胞边长 b length_b	109.370 Å
晶胞边长 c length_c	104.070 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	115.50 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	8

空间群 space_group	P 1 21 1
空间群编号 int_tables_number	4
晶系 crystal_system	—

分辨率 resolution	2.800 Å
最低分辨率 resolution_low	20.000 Å
R 因子 r_factor	0.2260
R_work r_work	0.2250
R_free r_free	0.2860

fit	/app/data/saxs_computation/xw/1xwf/1xwf.fit
pddf	/app/data/pr_computation/xw/1xwf/1xwf.pr.out
profile	/app/data/saxs_computation/xw/1xwf/1xwf.dat