1ppg

The refined 2.3 angstroms crystal structure of human leukocyte elastase in a complex with a valine chloromethyl ketone inhibitor

Method: X-RAY DIFFRACTION D_max: 59.0 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	1ppg
沉积日期 deposition_date	1991-10-24
结构标题 title	The refined 2.3 angstroms crystal structure of human leukocyte elastase in a complex with a valine chloromethyl ketone inhibitor
关键词 keywords	SERINE PROTEINASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX; HYDROLASE/HYDROLASE INHIBITOR
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	18.16 Å
回转半径 Rg (电子) rg_electron	17.12 Å
零角强度 I(0) i0	24607800.00
分子量 molecular_weight	24691.0 kDa
排除体积 excluded_volume	23514 Å³
包络体积 envelope_volume	38299 Å³
水化壳体积 shell_volume	18319 Å³
包络直径 envelope_diameter	60.1 Å
壳层 Rg shell_rg	23.75 Å
包络 Rg envelope_rg	17.55 Å
形状 Rg shape_rg	17.09 Å
总 Rg total_rg	17.92 Å
总原子数 total_atoms	1861
残基数 n_residues	215
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	59.0 Å
Rg (实空间) rg_real	18.03 Å
Rg 误差 (实空间) rg_real_error	0.26 Å
I(0) (实空间) i0_real	2.4610e+07
I(0) 误差 (实空间) i0_real_error	3.0130e+05
Rg (倒空间) rg_reciprocal	18.05 Å
I(0) (倒空间) i0_reciprocal	24610000.0000
解质量估计 total_estimate	0.8848
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	22.3 Å
偏度 Skewness skewness	0.172
峰度 Kurtosis kurtosis	-0.402
角度范围 angular_range	— – 0.4400 Å⁻¹
当前正则化参数 α current_alpha	0.0001
最高正则化参数 α highest_alpha	6895000.0000
实空间数据点数 n_real_points	75
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.836; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.998

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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	HUMAN LEUKOCYTE ELASTASE
分子量 formula_weight	23319.0 kDa
EC 编号 ec_number	3.4.21.37
来源方法 src_method	nat
拷贝数 entity_count	1

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	E
原子数 atom_count	2053

IVGGRRARPHAWPFMVSLQLRGGHFCGATLIAPNFVMSAAHCVANVNVRAVRVVLGAHNLSRREPTRQVFAVQRIFENGYDPVNLLNDIVILQLNGSATINANVQVAQLPAQGRRLGNGVQCLAMGWGLLGRNRGIASVLQELNVTVVTSLCRRSNVCTLVRGRQAGVCFGDSGSPLVCNGLIHGIASFVRGGCASGLYPDAFAPVAQFVNWIDSIIQ

Entity 2 polymer

描述 description	MEO-SUCCINYL-ALA-ALA-PRO-VAL CHLOROMETHYLKETONE
分子量 formula_weight	507.0 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	I

XAAPVX

Entity 3 branched

描述 description	;beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ;
分子量 formula_weight	1422.3 kDa
来源方法 src_method	man
拷贝数 entity_count	1

Entity 4 branched

描述 description	;alpha-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-2)-beta-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ;
分子量 formula_weight	1422.3 kDa
来源方法 src_method	man
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	192

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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	d1ppge_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.47 — Trypsin-like serine proteases
超家族 Superfamily superfamily	b.47.1 — Trypsin-like serine proteases
家族 Family family	b.47.1.2 — Eukaryotic proteases

CATH v4.4 (2 domains)

结构域编号 domain_id	1ppgE01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	10 — Thrombin, subunit H
同源超家族 H-superfamily homologous superfamily	10 — Trypsin-like serine proteases

结构域编号 domain_id	1ppgE02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	10 — Thrombin, subunit H
同源超家族 H-superfamily homologous superfamily	10 — Trypsin-like serine proteases

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7. 引用文献 (2)

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晶胞边长 a length_a	74.200 Å
晶胞边长 b length_b	74.200 Å
晶胞边长 c length_c	70.600 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	120.00 °
晶胞分子数 Z z_pdb	6

空间群 space_group	P 63
空间群编号 int_tables_number	173
晶系 crystal_system	—

分辨率 resolution	2.300 Å
最低分辨率 resolution_low	8.000 Å
R 因子 r_factor	—
R_work r_work	0.1450
R_free r_free	—

fit	/app/data/saxs_computation/pp/1ppg/1ppg.fit
pddf	/app/data/pr_computation/pp/1ppg/1ppg.pr.out
profile	/app/data/saxs_computation/pp/1ppg/1ppg.dat

The refined 2.3 angstroms crystal structure of human leukocyte elastase in a complex with a valine chloromethyl ketone inhibitor

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

5. 实体与聚合体信息 (5)

Entity 1 polymer

聚合体 Polymer

Entity 2 polymer

聚合体 Polymer

Entity 3 branched

Entity 4 branched

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)