2awn

Crystal structure of the ADP-Mg-bound E. Coli MALK (Crystallized with ATP-Mg)

Method: X-RAY DIFFRACTION D_max: 133.9 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	2awn
沉积日期 deposition_date	2005-09-01
结构标题 title	Crystal structure of the ADP-Mg-bound E. Coli MALK (Crystallized with ATP-Mg)
关键词 keywords	ATP-BINDING CASSETTE, TRANSPORT PROTEIN; TRANSPORT PROTEIN
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	40.53 Å
回转半径 Rg (电子) rg_electron	40.26 Å
零角强度 I(0) i0	335421000.00
分子量 molecular_weight	149070.0 kDa
排除体积 excluded_volume	186730 Å³
包络体积 envelope_volume	253390 Å³
水化壳体积 shell_volume	52965 Å³
包络直径 envelope_diameter	138.9 Å
壳层 Rg shell_rg	45.57 Å
包络 Rg envelope_rg	39.37 Å
形状 Rg shape_rg	40.25 Å
总 Rg total_rg	40.56 Å
总原子数 total_atoms	10463
残基数 n_residues	1349
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	133.9 Å
Rg (实空间) rg_real	40.57 Å
Rg 误差 (实空间) rg_real_error	0.95 Å
I(0) (实空间) i0_real	3.3540e+08
I(0) 误差 (实空间) i0_real_error	5.7350e+06
Rg (倒空间) rg_reciprocal	40.53 Å
I(0) (倒空间) i0_reciprocal	335400000.0000
解质量估计 total_estimate	0.8868
解质量评级 solution_quality	GOOD a GOOD solution
P(r) 峰数 n_peaks	1
主峰位置 r_peak_primary	44.6 Å
偏度 Skewness skewness	0.329
峰度 Kurtosis kurtosis	-0.535
角度范围 angular_range	— – 0.1950 Å⁻¹
当前正则化参数 α current_alpha	0.0001
最高正则化参数 α highest_alpha	32910000.0000
实空间数据点数 n_real_points	40
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.900; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.962; Smooth: 0.863

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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 (4)

Entity 1 polymer

描述 description	Maltose/maltodextrin import ATP-binding protein malK
分子量 formula_weight	42184.5 kDa
EC 编号 ec_number	3.6.3.19
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	10669

MASVQLQNVTKAWGEVVVSKDINLDIHEGEFVVFVGPSGCGKSTLLRMIAGLETITSGDLFIGEKRMNDTPPAERGVGMVFQSYALYPHLSVAENMSFGLKLAGAKKEVINQRVNQVAEVLQLAHLLDRKPKALSGGQRQRVAIGRTLVAEPSVFLLDEPLSNLDAALRVQMRIEISRLHKRLGRTMIYVTHDQVEAMTLADKIVVLDAGRVAQVGKPLELYHYPADRFVAGFIGSPKMNFLPVKVTATAIDQVQVELPMPNRQQVWLPVESRDVQVGANMSLGIRPEHLLPSDIADVILEGEVQVVEQLGNETQIHIQIPSIRQNLVYRQNDVVLVEEGATFAIGLPPERCHLFREDGTACRRLHKEPGVASASHHHHHH

来源 Source

来源生物 organism	Escherichia coli
NCBI 分类编号 ncbi_taxonomy_id	83333
宿主生物 host_organism	Escherichia coli

Entity 2 non-polymer

描述 description	MAGNESIUM ION
分子量 formula_weight	24.3 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

Entity 3 non-polymer

描述 description	ADENOSINE-5'-DIPHOSPHATE
分子量 formula_weight	427.2 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

Entity 4 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	206

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6. 折叠分类 (SCOP + CATH) 24 domains

SCOP 2.08 (12 domains)

结构域编号 domain_id	d2awna1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.40 — OB-fold
超家族 Superfamily superfamily	b.40.6 — MOP-like
家族 Family family	b.40.6.3 — ABC-transporter additional domain

结构域编号 domain_id	d2awna2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
超家族 Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
家族 Family family	c.37.1.12 — ABC transporter ATPase domain-like

结构域编号 domain_id	d2awna3
类 Class class	l — Artifacts
折叠类型 Fold fold	l.1 — Tags
超家族 Superfamily superfamily	l.1.1 — Tags
家族 Family family	l.1.1.1 — Tags

结构域编号 domain_id	d2awnb1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.40 — OB-fold
超家族 Superfamily superfamily	b.40.6 — MOP-like
家族 Family family	b.40.6.3 — ABC-transporter additional domain

结构域编号 domain_id	d2awnb2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
超家族 Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
家族 Family family	c.37.1.12 — ABC transporter ATPase domain-like

结构域编号 domain_id	d2awnb3
类 Class class	l — Artifacts
折叠类型 Fold fold	l.1 — Tags
超家族 Superfamily superfamily	l.1.1 — Tags
家族 Family family	l.1.1.1 — Tags

结构域编号 domain_id	d2awnc1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.40 — OB-fold
超家族 Superfamily superfamily	b.40.6 — MOP-like
家族 Family family	b.40.6.3 — ABC-transporter additional domain

结构域编号 domain_id	d2awnc2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
超家族 Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
家族 Family family	c.37.1.12 — ABC transporter ATPase domain-like

结构域编号 domain_id	d2awnc3
类 Class class	l — Artifacts
折叠类型 Fold fold	l.1 — Tags
超家族 Superfamily superfamily	l.1.1 — Tags
家族 Family family	l.1.1.1 — Tags

结构域编号 domain_id	d2awnd1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.40 — OB-fold
超家族 Superfamily superfamily	b.40.6 — MOP-like
家族 Family family	b.40.6.3 — ABC-transporter additional domain

结构域编号 domain_id	d2awnd2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
超家族 Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
家族 Family family	c.37.1.12 — ABC transporter ATPase domain-like

结构域编号 domain_id	d2awnd3
类 Class class	l — Artifacts
折叠类型 Fold fold	l.1 — Tags
超家族 Superfamily superfamily	l.1.1 — Tags
家族 Family family	l.1.1.1 — Tags

CATH v4.4 (12 domains)

结构域编号 domain_id	2awnA01
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	300 — P-loop containing nucleotide triphosphate hydrolases

结构域编号 domain_id	2awnA02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily	100 — RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain

结构域编号 domain_id	2awnA03
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily	140 — Nucleic acid-binding proteins

结构域编号 domain_id	2awnB01
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	300 — P-loop containing nucleotide triphosphate hydrolases

结构域编号 domain_id	2awnB02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily	100 — RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain

结构域编号 domain_id	2awnB03
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily	140 — Nucleic acid-binding proteins

结构域编号 domain_id	2awnC01
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	300 — P-loop containing nucleotide triphosphate hydrolases

结构域编号 domain_id	2awnC02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily	100 — RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain

结构域编号 domain_id	2awnC03
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily	140 — Nucleic acid-binding proteins

结构域编号 domain_id	2awnD01
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	300 — P-loop containing nucleotide triphosphate hydrolases

结构域编号 domain_id	2awnD02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily	100 — RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain

结构域编号 domain_id	2awnD03
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily	140 — Nucleic acid-binding proteins

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7. 引用文献 (1)

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晶胞边长 a length_a	70.307 Å
晶胞边长 b length_b	102.667 Å
晶胞边长 c length_c	130.776 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	90.81 °
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	2.300 Å
最低分辨率 resolution_low	37.280 Å
R 因子 r_factor	0.2300
R_work r_work	0.2300
R_free r_free	0.2710

fit	/app/data/saxs_computation/aw/2awn/2awn.fit
pddf	/app/data/pr_computation/aw/2awn/2awn.pr.out
profile	/app/data/saxs_computation/aw/2awn/2awn.dat