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1q71

The structure of microcin J25 is a threaded sidechain-to-backbone ring structure and not a head-to-tail cyclized backbone

Method: SOLUTION NMR D_max: 25.3 Å Quality: REASONABLE

SAXS 散射曲线 SAXS Profile

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1q71

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	1q71
沉积日期 deposition_date	2003-08-14
结构标题 title	The structure of microcin J25 is a threaded sidechain-to-backbone ring structure and not a head-to-tail cyclized backbone
关键词 keywords	microcin J25, mccj25, sidechain-to-backbone link, antimicrobial peptide, ANTIMICROBIAL PROTEIN, ANTIBIOTIC; ANTIBIOTIC
实验方法 method	SOLUTION NMR

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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	6.93 Å
回转半径 Rg (电子) rg_electron	7.61 Å
零角强度 I(0) i0	21618800.00
分子量 molecular_weight	42167.0 kDa
排除体积 excluded_volume	53766 Å³
包络体积 envelope_volume	3923 Å³
水化壳体积 shell_volume	4473 Å³
包络直径 envelope_diameter	30.0 Å
壳层 Rg shell_rg	12.79 Å
包络 Rg envelope_rg	9.02 Å
形状 Rg shape_rg	7.56 Å
总 Rg total_rg	8.02 Å
总原子数 total_atoms	5800
残基数 n_residues	420
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	25.3 Å
Rg (实空间) rg_real	7.04 Å
Rg 误差 (实空间) rg_real_error	0.35 Å
I(0) (实空间) i0_real	2.1620e+07
I(0) 误差 (实空间) i0_real_error	2.5250e+05
Rg (倒空间) rg_reciprocal	7.04 Å
I(0) (倒空间) i0_reciprocal	21620000.0000
解质量估计 total_estimate	0.6734
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	6.4 Å
偏度 Skewness skewness	0.527
峰度 Kurtosis kurtosis	-0.579
角度范围 angular_range	— – 0.5000 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	783.7000
实空间数据点数 n_real_points	80
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.514; Stabil: 0.990; Sysdev: 1.000; Positv: 1.000; Valcen: 0.238; 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 (1)

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6. 折叠分类 (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

结构域编号 domain_id	d1q71a_
类 Class class	j — Peptides
折叠类型 Fold fold	j.5 — Macrocyclic bacteriocins
超家族 Superfamily superfamily	j.5.1 — Macrocyclic bacteriocins
家族 Family family	j.5.1.1 — Microcin J25

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7. 引用文献 (1)

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8. 文件与曲线 (10)