2j8d

X-ray high resolution structure of the photosynthetic reaction center from Rb. sphaeroides at pH 8 in the charge-separated state

Method: X-RAY DIFFRACTION Dmax: 94.9 Å Quality: EXCELLENT

SAXS 散射曲线 SAXS Profile

SAXS profile for 2j8d

P(r) 距离分布 P(r) Distribution

P(r) distribution for 2j8d
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1. 结构基本信息 1. Structure Basics

条目编号 entry_id2j8d
沉积日期 deposition_date2006-10-24
结构标题 titleX-ray high resolution structure of the photosynthetic reaction center from Rb. sphaeroides at pH 8 in the charge-separated state
关键词 keywords;BACTERIOCHLOROPHYLL, PHOSPHATIDYLCHOLINE, CHLOROPHYLL, CARDIOLIPIN, METAL-BINDING, TRANSMEMBRANE, GLUCOSYLGALACTOSYL DIACYLGLYCEROL, PROTON TRANSLOCATION PATHWAYS, PHOTOSYNTHESIS, REACTION CENTER, ELECTRON TRANSPORT, IRON, MEMBRANE, TRANSPORT, MAGNESIUM, CHROMOPHORE, BINDING POSITIONS OF THE SECONDARY QUINONE QB ;; ELECTRON TRANSPORT
实验方法 methodX-RAY DIFFRACTION

2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)

回转半径 Rg (Guinier) rg_guinier30.14
回转半径 Rg (电子) rg_electron28.59
零角强度 I(0) i0130665000.00
分子量 molecular_weight105030.0 kDa
排除体积 excluded_volume137210 ų
包络体积 envelope_volume156120 ų
水化壳体积 shell_volume43330 ų
包络直径 envelope_diameter103.9
壳层 Rg shell_rg37.56
包络 Rg envelope_rg29.01
形状 Rg shape_rg28.58
总 Rg total_rg29.53
总原子数 total_atoms7449
残基数 n_residues848
球谐函数阶数 n_harmonics20
q 范围 q_range— – 0.5000 −1
数据点数 n_points101
壳层类型 shell_typedirectional
溶剂电子密度 solvent_density0.3340 e/ų
壳层衬度 contrast_shell0.0300 e/ų
CRYSOL 版本 crysol_version4.1.3

3. P(r) 距离分布 (GNOM 反演) 3. P(r) Analysis (GNOM)

最大尺寸 Dmax dmax94.9
Rg (实空间) rg_real30.00
Rg 误差 (实空间) rg_real_error0.55
I(0) (实空间) i0_real1.3070e+08
I(0) 误差 (实空间) i0_real_error1.9280e+06
Rg (倒空间) rg_reciprocal30.06
I(0) (倒空间) i0_reciprocal130700000.0000
解质量估计 total_estimate0.9083
解质量评级 solution_quality EXCELLENT a EXCELLENT solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary37.6
偏度 Skewness skewness0.154
峰度 Kurtosis kurtosis-0.546
角度范围 angular_range— – 0.2650 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha15290000.0000
实空间数据点数 n_real_points54
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.939; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.991

4. 晶体学与实验 4. Crystallography & Experiment

5. 实体与聚合体信息 (14)

6. 折叠分类 (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

结构域编号 domain_idd2j8dh1
类 Class classf — Membrane and cell surface proteins and peptides
折叠类型 Fold foldf.23 — Single transmembrane helix
超家族 Superfamily superfamilyf.23.10 — Photosystem II reaction centre subunit H, transmembrane region
家族 Family familyf.23.10.1 — Photosystem II reaction centre subunit H, transmembrane region
结构域编号 domain_idd2j8dh2
类 Class classb — All beta proteins
折叠类型 Fold foldb.41 — PRC-barrel domain
超家族 Superfamily superfamilyb.41.1 — PRC-barrel domain
家族 Family familyb.41.1.1 — Photosynthetic reaction centre, H-chain, cytoplasmic domain
结构域编号 domain_idd2j8dl_
类 Class classf — Membrane and cell surface proteins and peptides
折叠类型 Fold foldf.26 — Bacterial photosystem II reaction centre, L and M subunits
超家族 Superfamily superfamilyf.26.1 — Bacterial photosystem II reaction centre, L and M subunits
家族 Family familyf.26.1.1 — Bacterial photosystem II reaction centre, L and M subunits
结构域编号 domain_idd2j8dm_
类 Class classf — Membrane and cell surface proteins and peptides
折叠类型 Fold foldf.26 — Bacterial photosystem II reaction centre, L and M subunits
超家族 Superfamily superfamilyf.26.1 — Bacterial photosystem II reaction centre, L and M subunits
家族 Family familyf.26.1.1 — Bacterial photosystem II reaction centre, L and M subunits

CATH v4.4 (6 domains)

结构域编号 domain_id2j8dH01
类 Class class4 — Few Secondary Structures
架构 Architecture architecture10 — Irregular
拓扑 Topology topology540 — Photosynthetic Reaction Center; Chain H, domain 1
同源超家族 H-superfamily homologous superfamily10 — Photosynthetic reaction centre, H subunit, N-terminal domain
结构域编号 domain_id2j8dH02
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology50 — Photosynthetic Reaction Center; Chain H, domain 2
同源超家族 H-superfamily homologous superfamily10 — Photosynthetic Reaction Center, subunit H, domain 2
结构域编号 domain_id2j8dL01
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology85 — Photosynthetic Reaction Center, subunit M; domain 1
同源超家族 H-superfamily homologous superfamily10 — Photosystem II protein D1-like
结构域编号 domain_id2j8dL02
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology85 — Photosynthetic Reaction Center, subunit M; domain 1
同源超家族 H-superfamily homologous superfamily10 — Photosystem II protein D1-like
结构域编号 domain_id2j8dM01
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology85 — Photosynthetic Reaction Center, subunit M; domain 1
同源超家族 H-superfamily homologous superfamily10 — Photosystem II protein D1-like
结构域编号 domain_id2j8dM02
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology85 — Photosynthetic Reaction Center, subunit M; domain 1
同源超家族 H-superfamily homologous superfamily10 — Photosystem II protein D1-like

7. 引用文献 (1)

8. 文件与曲线 (10)