2i03

Crystal structure of human dipeptidyl peptidase 4 (DPP IV) with potent alkynyl cyanopyrrolidine (ABT-279)

Method: X-RAY DIFFRACTION D_max: 196.6 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	2i03
沉积日期 deposition_date	2006-08-09
结构标题 title	Crystal structure of human dipeptidyl peptidase 4 (DPP IV) with potent alkynyl cyanopyrrolidine (ABT-279)
关键词 keywords	enzyme, 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	72.89 Å
回转半径 Rg (电子) rg_electron	72.88 Å
零角强度 I(0) i0	1536280000.00
分子量 molecular_weight	337000.0 kDa
排除体积 excluded_volume	421840 Å³
包络体积 envelope_volume	690180 Å³
水化壳体积 shell_volume	76326 Å³
包络直径 envelope_diameter	215.7 Å
壳层 Rg shell_rg	83.42 Å
包络 Rg envelope_rg	67.53 Å
形状 Rg shape_rg	72.85 Å
总 Rg total_rg	73.11 Å
总原子数 total_atoms	23825
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	196.6 Å
Rg (实空间) rg_real	72.99 Å
Rg 误差 (实空间) rg_real_error	1.25 Å
I(0) (实空间) i0_real	1.5360e+09
I(0) 误差 (实空间) i0_real_error	2.8600e+07
Rg (倒空间) rg_reciprocal	72.03 Å
I(0) (倒空间) i0_reciprocal	1533000000.0000
解质量估计 total_estimate	0.6722
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	37.4 Å
偏度 Skewness skewness	0.033
峰度 Kurtosis kurtosis	-1.266
角度范围 angular_range	— – 0.1050 Å⁻¹
当前正则化参数 α current_alpha	0.0005
最高正则化参数 α highest_alpha	43710000.0000
实空间数据点数 n_real_points	22
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.457; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.363; 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 4
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	26782

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	2-[4-({2-[(2S,5R)-2-(AMINOMETHYL)-5-ETHYNYLPYRROLIDIN-1-YL]-2-OXOETHYL}AMINO)-4-METHYLPIPERIDIN-1-YL]ISONICOTINIC ACID
分子量 formula_weight	399.5 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	2957

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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	d2i03a1
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	d2i03a2
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	d2i03b1
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	d2i03b2
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	d2i03c1
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	d2i03c2
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	d2i03d1
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	d2i03d2
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	2i03A01
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	2i03A02
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	2i03B01
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	2i03B02
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	2i03C01
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	2i03C02
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	2i03D01
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	2i03D02
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	120.252 Å
晶胞边长 b length_b	126.994 Å
晶胞边长 c length_c	127.257 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	96.56 °
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	2.400 Å
最低分辨率 resolution_low	20.000 Å
R 因子 r_factor	—
R_work r_work	0.1790
R_free r_free	0.2450

fit	/app/data/saxs_computation/i0/2i03/2i03.fit
pddf	/app/data/pr_computation/i0/2i03/2i03.pr.out
profile	/app/data/saxs_computation/i0/2i03/2i03.dat