2i78

;Crystal structure of human dipeptidyl peptidase IV (DPP IV) complexed with ABT-341, a cyclohexene-constrained phenethylamine inhibitor ;

Method: X-RAY DIFFRACTION D_max: 195.4 Å Quality: REASONABLE

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	2i78
沉积日期 deposition_date	2006-08-30
结构标题 title	;Crystal structure of human dipeptidyl peptidase IV (DPP IV) complexed with ABT-341, a cyclohexene-constrained phenethylamine inhibitor ;
关键词 keywords	serine peptidase, hydrolase; HYDROLASE
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	71.07 Å
回转半径 Rg (电子) rg_electron	71.00 Å
零角强度 I(0) i0	1540470000.00
分子量 molecular_weight	337050.0 kDa
排除体积 excluded_volume	421810 Å³
包络体积 envelope_volume	687360 Å³
水化壳体积 shell_volume	77845 Å³
包络直径 envelope_diameter	206.3 Å
壳层 Rg shell_rg	81.66 Å
包络 Rg envelope_rg	65.94 Å
形状 Rg shape_rg	70.97 Å
总 Rg total_rg	71.25 Å
总原子数 total_atoms	23827
残基数 n_residues	2904
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	195.4 Å
Rg (实空间) rg_real	71.13 Å
Rg 误差 (实空间) rg_real_error	1.42 Å
I(0) (实空间) i0_real	1.5400e+09
I(0) 误差 (实空间) i0_real_error	3.0190e+07
Rg (倒空间) rg_reciprocal	70.45 Å
I(0) (倒空间) i0_reciprocal	1538000000.0000
解质量估计 total_estimate	0.6762
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	44.4 Å
偏度 Skewness skewness	0.023
峰度 Kurtosis kurtosis	-1.242
角度范围 angular_range	— – 0.1100 Å⁻¹
当前正则化参数 α current_alpha	0.0002
最高正则化参数 α highest_alpha	56840000.0000
实空间数据点数 n_real_points	23
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.491; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.313; 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 (3)

Entity 1 polymer

描述 description	Dipeptidyl peptidase IV
分子量 formula_weight	84252.3 kDa
EC 编号 ec_number	3.4.14.5
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	24449

SRKTYTLTDYLKNTYRLKLYSLRWISDHEYLYKQENNILVFNAEYGNSSVFLENSTFDEFGHSINDYSISPDGQFILLEYNYVKQWRHSYTASYDIYDLNKRQLITEERIPNNTQWVTWSPVGHKLAYVWNNDIYVKIEPNLPSYRITWTGKEDIIYNGITDWVYEEEVFSAYSALWWSPNGTFLAYAQFNDTEVPLIEYSFYSDESLQYPKTVRVPYPKAGAVNPTVKFFVVNTDSLSSVTNATSIQITAPASMLIGDHYLCDVTWATQERISLQWLRRIQNYSVMDICDYDESSGRWNCLVARQHIEMSTTGWVGRFRPSEPHFTLDGNSFYKIISNEEGYRHICYFQIDKKDCTFITKGTWEVIGIEALTSDYLYYISNEYKGMPGGRNLYKIQLSDYTKVTCLSCELNPERCQYYSVSFSKEAKYYQLRCSGPGLPLYTLHSSVNDKGLRVLEDNSALDKMLQNVQMPSKKLDFIILNETKFWYQMILPPHFDKSKKYPLLLDVYAGPCSQKADTVFRLNWATYLASTENIIVASFDGRGSGYQGDKIMHAINRRLGTFEVEDQIEAARQFSKMGFVDNKRIAIWGWSYGGYVTSMVLGSGSGVFKCGIAVAPVSRWEYYDSVYTERYMGLPTPEDNLDHYRNSTVMSRAENFKQVEYLLIHGTADDNVHFQQSAQISKALVDVGVDFQAMWYTDEDHGIASSTAHQHIYTHMSHFIKQCFS

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	Spodoptera frugiperda

Entity 2 non-polymer

描述 description	;(1S,6R)-3-{[3-(TRIFLUOROMETHYL)-5,6-DIHYDRO[1,2,4]TRIAZOLO[4,3-A]PYRAZIN-7(8H)-YL]CARBONYL}-6-(2,4,5-TRIFLUOROPHENYL)CYCLOHEX-3-EN-1-AMINE ;
分子量 formula_weight	445.4 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

Entity 3 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	622

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6. 折叠分类 (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

结构域编号 domain_id	d2i78a1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.70 — 8-bladed beta-propeller
超家族 Superfamily superfamily	b.70.3 — DPP6 N-terminal domain-like
家族 Family family	b.70.3.1 — DPP6 N-terminal domain-like

结构域编号 domain_id	d2i78a2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.69 — alpha/beta-Hydrolases
超家族 Superfamily superfamily	c.69.1 — alpha/beta-Hydrolases
家族 Family family	c.69.1.0 — automated matches

结构域编号 domain_id	d2i78b1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.70 — 8-bladed beta-propeller
超家族 Superfamily superfamily	b.70.3 — DPP6 N-terminal domain-like
家族 Family family	b.70.3.1 — DPP6 N-terminal domain-like

结构域编号 domain_id	d2i78b2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.69 — alpha/beta-Hydrolases
超家族 Superfamily superfamily	c.69.1 — alpha/beta-Hydrolases
家族 Family family	c.69.1.0 — automated matches

结构域编号 domain_id	d2i78c1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.70 — 8-bladed beta-propeller
超家族 Superfamily superfamily	b.70.3 — DPP6 N-terminal domain-like
家族 Family family	b.70.3.1 — DPP6 N-terminal domain-like

结构域编号 domain_id	d2i78c2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.69 — alpha/beta-Hydrolases
超家族 Superfamily superfamily	c.69.1 — alpha/beta-Hydrolases
家族 Family family	c.69.1.0 — automated matches

结构域编号 domain_id	d2i78d1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.70 — 8-bladed beta-propeller
超家族 Superfamily superfamily	b.70.3 — DPP6 N-terminal domain-like
家族 Family family	b.70.3.1 — DPP6 N-terminal domain-like

结构域编号 domain_id	d2i78d2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.69 — alpha/beta-Hydrolases
超家族 Superfamily superfamily	c.69.1 — alpha/beta-Hydrolases
家族 Family family	c.69.1.0 — automated matches

CATH v4.4 (8 domains)

结构域编号 domain_id	2i78A01
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	1820 — Alpha/Beta hydrolase fold, catalytic domain

结构域编号 domain_id	2i78A02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	140 — 8 Propeller
拓扑 Topology topology	10 — Methanol Dehydrogenase; Chain A
同源超家族 H-superfamily homologous superfamily	30 — Dipeptidylpeptidase IV, N-terminal domain

结构域编号 domain_id	2i78B01
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	1820 — Alpha/Beta hydrolase fold, catalytic domain

结构域编号 domain_id	2i78B02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	140 — 8 Propeller
拓扑 Topology topology	10 — Methanol Dehydrogenase; Chain A
同源超家族 H-superfamily homologous superfamily	30 — Dipeptidylpeptidase IV, N-terminal domain

结构域编号 domain_id	2i78C01
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	1820 — Alpha/Beta hydrolase fold, catalytic domain

结构域编号 domain_id	2i78C02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	140 — 8 Propeller
拓扑 Topology topology	10 — Methanol Dehydrogenase; Chain A
同源超家族 H-superfamily homologous superfamily	30 — Dipeptidylpeptidase IV, N-terminal domain

结构域编号 domain_id	2i78D01
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	1820 — Alpha/Beta hydrolase fold, catalytic domain

结构域编号 domain_id	2i78D02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	140 — 8 Propeller
拓扑 Topology topology	10 — Methanol Dehydrogenase; Chain A
同源超家族 H-superfamily homologous superfamily	30 — Dipeptidylpeptidase IV, N-terminal domain

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7. 引用文献 (1)

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晶胞边长 a length_a	119.933 Å
晶胞边长 b length_b	126.419 Å
晶胞边长 c length_c	127.531 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	100.26 °
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	2.500 Å
最低分辨率 resolution_low	129.100 Å
R 因子 r_factor	—
R_work r_work	0.2160
R_free r_free	0.2750

fit	/app/data/saxs_computation/i7/2i78/2i78.fit
pddf	/app/data/pr_computation/i7/2i78/2i78.pr.out
profile	/app/data/saxs_computation/i7/2i78/2i78.dat