1i7c

;HUMAN S-ADENOSYLMETHIONINE DECARBOXYLASE WITH COVALENTLY BOUND PYRUVOYL GROUP AND COMPLEXED WITH METHYLGLYOXAL BIS-(GUANYLHYDRAZONE) ;

Method: X-RAY DIFFRACTION D_max: 65.5 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	1i7c
沉积日期 deposition_date	2001-03-08
结构标题 title	;HUMAN S-ADENOSYLMETHIONINE DECARBOXYLASE WITH COVALENTLY BOUND PYRUVOYL GROUP AND COMPLEXED WITH METHYLGLYOXAL BIS-(GUANYLHYDRAZONE) ;
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	20.29 Å
回转半径 Rg (电子) rg_electron	18.92 Å
零角强度 I(0) i0	22751700.00
分子量 molecular_weight	36872.0 kDa
排除体积 excluded_volume	46308 Å³
包络体积 envelope_volume	53517 Å³
水化壳体积 shell_volume	22789 Å³
包络直径 envelope_diameter	68.8 Å
壳层 Rg shell_rg	26.31 Å
包络 Rg envelope_rg	19.28 Å
形状 Rg shape_rg	18.89 Å
总 Rg total_rg	20.00 Å
总原子数 total_atoms	2595
残基数 n_residues	318
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	65.5 Å
Rg (实空间) rg_real	20.16 Å
Rg 误差 (实空间) rg_real_error	0.33 Å
I(0) (实空间) i0_real	2.2750e+07
I(0) 误差 (实空间) i0_real_error	2.8190e+05
Rg (倒空间) rg_reciprocal	20.18 Å
I(0) (倒空间) i0_reciprocal	22750000.0000
解质量估计 total_estimate	0.8018
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	27.1 Å
偏度 Skewness skewness	0.140
峰度 Kurtosis kurtosis	-0.327
角度范围 angular_range	— – 0.3900 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	7959000.0000
实空间数据点数 n_real_points	71
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.812; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.985; 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	2661

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	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 4 non-polymer

描述 description	METHYLGLYOXAL BIS-(GUANYLHYDRAZONE)
分子量 formula_weight	184.2 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	66

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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	d1i7c.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	1i7cA00
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	1i7cB01
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	97.057 Å
晶胞边长 b length_b	45.499 Å
晶胞边长 c length_c	72.143 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	105.24 °
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	2.400 Å
最低分辨率 resolution_low	40.930 Å
R 因子 r_factor	—
R_work r_work	0.1760
R_free r_free	0.2490

fit	/app/data/saxs_computation/i7/1i7c/1i7c.fit
pddf	/app/data/pr_computation/i7/1i7c/1i7c.pr.out
profile	/app/data/saxs_computation/i7/1i7c/1i7c.dat

;HUMAN S-ADENOSYLMETHIONINE DECARBOXYLASE WITH COVALENTLY BOUND PYRUVOYL GROUP AND COMPLEXED WITH METHYLGLYOXAL BIS-(GUANYLHYDRAZONE) ;

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)