1i7b

;HUMAN S-ADENOSYLMETHIONINE DECARBOXYLASE WITH COVALENTLY BOUND PYRUVOYL GROUP AND COVALENTLY BOUND S-ADENOSYLMETHIONINE METHYL ESTER ;

Method: X-RAY DIFFRACTION D_max: 64.4 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	1i7b
沉积日期 deposition_date	2001-03-08
结构标题 title	;HUMAN S-ADENOSYLMETHIONINE DECARBOXYLASE WITH COVALENTLY BOUND PYRUVOYL GROUP AND COVALENTLY BOUND S-ADENOSYLMETHIONINE METHYL ESTER ;
关键词 keywords	Spermidine biosynthesis, Lyase, Decarboxylase, Pyruvate, S-ADENOSYLMETHIONINE, SANDWICH, ALLOSTERIC ENZYME, PYRUVOYL; LYASE
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	19.97 Å
回转半径 Rg (电子) rg_electron	18.55 Å
零角强度 I(0) i0	22049000.00
分子量 molecular_weight	36333.0 kDa
排除体积 excluded_volume	45630 Å³
包络体积 envelope_volume	51326 Å³
水化壳体积 shell_volume	22216 Å³
包络直径 envelope_diameter	66.6 Å
壳层 Rg shell_rg	25.91 Å
包络 Rg envelope_rg	18.97 Å
形状 Rg shape_rg	18.53 Å
总 Rg total_rg	19.61 Å
总原子数 total_atoms	2555
残基数 n_residues	311
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	64.4 Å
Rg (实空间) rg_real	19.80 Å
Rg 误差 (实空间) rg_real_error	0.37 Å
I(0) (实空间) i0_real	2.2050e+07
I(0) 误差 (实空间) i0_real_error	2.5740e+05
Rg (倒空间) rg_reciprocal	19.83 Å
I(0) (倒空间) i0_reciprocal	22050000.0000
解质量估计 total_estimate	0.8014
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	26.3 Å
偏度 Skewness skewness	0.124
峰度 Kurtosis kurtosis	-0.349
角度范围 angular_range	— – 0.4000 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	7819000.0000
实空间数据点数 n_real_points	72
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.807; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; 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 (5)

Entity 1 polymer

描述 description	S-ADENOSYLMETHIONINE DECARBOXYLASE BETA CHAIN
分子量 formula_weight	7694.6 kDa
EC 编号 ec_number	4.1.1.50
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	B
原子数 atom_count	2740

MEAAHFFEGTEKLLEVWFSRQQPDANQGSGDLRTIPRSEWDILLKDVQCSIISVTKTDKQEAYVLSE

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI 分类编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Escherichia coli

Entity 2 polymer

描述 description	S-ADENOSYLMETHIONINE DECARBOXYLASE ALPHA CHAIN
分子量 formula_weight	30672.0 kDa
EC 编号 ec_number	4.1.1.50
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

XSMFVSKRRFILKTCGTTLLLKALVPLLKLARDYSGFDSIQSFFYSRKNFMKPSHQGYPHRNFQEEIEFLNAIFPNGAGYCMGRMNSDCWYLYTLDFPESRVISQPDQTLEILMSELDPAVMDQFYMKDGVTAKDVTRESGIRDLIPGSVIDATMFNPCGYSMNGMKSDGTYWTIHITPEPEFSYVSFETNLSQTSYDDLIRKVVEVFKPGKFVTTLFVNQSSKCRTVLASPQKIEGFKRLDCQSAMFNDYNFVFTSFAKKQQQQQS

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI 分类编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Escherichia coli

Entity 3 non-polymer

描述 description	S-ADENOSYLMETHIONINE METHYL ESTER
分子量 formula_weight	414.5 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

Entity 4 non-polymer

描述 description	1,4-DIAMINOBUTANE
分子量 formula_weight	88.2 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

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	185

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6. 折叠分类 (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

结构域编号 domain_id	d1i7b.1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.156 — S-adenosylmethionine decarboxylase
超家族 Superfamily superfamily	d.156.1 — S-adenosylmethionine decarboxylase
家族 Family family	d.156.1.1 — S-adenosylmethionine decarboxylase

CATH v4.4 (2 domains)

结构域编号 domain_id	1i7bA00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	60 — 4-Layer Sandwich
拓扑 Topology topology	90 — S-adenosylmethionine decarboxylase
同源超家族 H-superfamily homologous superfamily	10 — S-adenosylmethionine decarboxylase

结构域编号 domain_id	1i7bB01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	360 — Dihydrodipicolinate Reductase; domain 2
同源超家族 H-superfamily homologous superfamily	50 — S-adenosylmethionine decarboxylase

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7. 引用文献 (2)

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晶胞边长 a length_a	99.964 Å
晶胞边长 b length_b	51.242 Å
晶胞边长 c length_c	68.509 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	105.37 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	4

空间群 space_group	C 1 2 1
空间群编号 int_tables_number	5
晶系 crystal_system	—

分辨率 resolution	1.900 Å
最低分辨率 resolution_low	27.220 Å
R 因子 r_factor	—
R_work r_work	0.2040
R_free r_free	0.2410

fit	/app/data/saxs_computation/i7/1i7b/1i7b.fit
pddf	/app/data/pr_computation/i7/1i7b/1i7b.pr.out
profile	/app/data/saxs_computation/i7/1i7b/1i7b.dat

;HUMAN S-ADENOSYLMETHIONINE DECARBOXYLASE WITH COVALENTLY BOUND PYRUVOYL GROUP AND COVALENTLY BOUND S-ADENOSYLMETHIONINE METHYL ESTER ;

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

5. 实体与聚合体信息 (5)

Entity 1 polymer

聚合体 Polymer

来源 Source

Entity 2 polymer

聚合体 Polymer

来源 Source

Entity 3 non-polymer

Entity 4 non-polymer

Entity 5 water

6. 折叠分类 (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

CATH v4.4 (2 domains)

7. 引用文献 (2)

8. 文件与曲线 (10)

Files (7)

Curves (3)