1q90

Structure of the cytochrome b6f (plastohydroquinone : plastocyanin oxidoreductase) from Chlamydomonas reinhardtii

Method: X-RAY DIFFRACTION Dmax: 124.2 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

SAXS profile for 1q90

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1q90
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1. 结构基本信息 1. Structure Basics

条目编号 entry_id1q90
沉积日期 deposition_date2003-08-22
结构标题 titleStructure of the cytochrome b6f (plastohydroquinone : plastocyanin oxidoreductase) from Chlamydomonas reinhardtii
关键词 keywords;MEMBRANE PROTEIN COMPLEX, PHOTOSYNTHESIS, ELECTRON TRANSFER, OXYDOREDUCTASE, CHLOROPHYLL, BETA-CAROTENE, STIGMATELLIN, SULFOQUINOVOSYLDIACYLGLYCEROL, MONOGALACTOSYLDIACYLGLYCEROL ;; PHOTOSYNTHESIS
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_guinier34.03
回转半径 Rg (电子) rg_electron33.02
零角强度 I(0) i0153267000.00
分子量 molecular_weight110360.0 kDa
排除体积 excluded_volume142700 ų
包络体积 envelope_volume176790 ų
水化壳体积 shell_volume45004 ų
包络直径 envelope_diameter131.0
壳层 Rg shell_rg39.32
包络 Rg envelope_rg33.86
形状 Rg shape_rg33.04
总 Rg total_rg33.46
总原子数 total_atoms7776
残基数 n_residues952
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 dmax124.2
Rg (实空间) rg_real34.19
Rg 误差 (实空间) rg_real_error1.08
I(0) (实空间) i0_real1.5330e+08
I(0) 误差 (实空间) i0_real_error2.3880e+06
Rg (倒空间) rg_reciprocal34.09
I(0) (倒空间) i0_reciprocal153300000.0000
解质量估计 total_estimate0.8221
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary37.0
偏度 Skewness skewness0.556
峰度 Kurtosis kurtosis0.018
角度范围 angular_range— – 0.2350 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha20300000.0000
实空间数据点数 n_real_points48
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.642; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.832; Smooth: 0.925

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

5. 实体与聚合体信息 (18)

6. 折叠分类 (SCOP + CATH) 18 domains

SCOP 2.08 (12 domains)

结构域编号 domain_idd1q90a1
类 Class classb — All beta proteins
折叠类型 Fold foldb.2 — Common fold of diphtheria toxin/transcription factors/cytochrome f
超家族 Superfamily superfamilyb.2.6 — Cytochrome f, large domain
家族 Family familyb.2.6.1 — Cytochrome f, large domain
结构域编号 domain_idd1q90a2
类 Class classb — All beta proteins
折叠类型 Fold foldb.84 — Barrel-sandwich hybrid
超家族 Superfamily superfamilyb.84.2 — Rudiment single hybrid motif
家族 Family familyb.84.2.2 — Cytochrome f, small domain
结构域编号 domain_idd1q90a3
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.23.23 — Cytochrome f subunit of the cytochrome b6f complex, transmembrane anchor
家族 Family familyf.23.23.1 — Cytochrome f subunit of the cytochrome b6f complex, transmembrane anchor
结构域编号 domain_idd1q90a4
类 Class classl — Artifacts
折叠类型 Fold foldl.1 — Tags
超家族 Superfamily superfamilyl.1.1 — Tags
家族 Family familyl.1.1.1 — Tags
结构域编号 domain_idd1q90b_
类 Class classf — Membrane and cell surface proteins and peptides
折叠类型 Fold foldf.21 — Heme-binding four-helical bundle
超家族 Superfamily superfamilyf.21.1 — Transmembrane di-heme cytochromes
家族 Family familyf.21.1.2 — Cytochrome b of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
结构域编号 domain_idd1q90c_
类 Class classb — All beta proteins
折叠类型 Fold foldb.33 — ISP domain
超家族 Superfamily superfamilyb.33.1 — ISP domain
家族 Family familyb.33.1.1 — Rieske iron-sulfur protein (ISP)
结构域编号 domain_idd1q90d_
类 Class classf — Membrane and cell surface proteins and peptides
折叠类型 Fold foldf.32 — a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
超家族 Superfamily superfamilyf.32.1 — a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
家族 Family familyf.32.1.1 — a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
结构域编号 domain_idd1q90g_
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.23.26 — PetG subunit of the cytochrome b6f complex
家族 Family familyf.23.26.1 — PetG subunit of the cytochrome b6f complex
结构域编号 domain_idd1q90l_
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.23.24 — PetL subunit of the cytochrome b6f complex
家族 Family familyf.23.24.1 — PetL subunit of the cytochrome b6f complex
结构域编号 domain_idd1q90m_
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.23.25 — PetM subunit of the cytochrome b6f complex
家族 Family familyf.23.25.1 — PetM subunit of the cytochrome b6f complex
结构域编号 domain_idd1q90n_
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.23.27 — PetN subunit of the cytochrome b6f complex
家族 Family familyf.23.27.1 — PetN subunit of the cytochrome b6f complex
结构域编号 domain_idd1q90r_
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.23.12 — ISP transmembrane anchor
家族 Family familyf.23.12.1 — ISP transmembrane anchor

CATH v4.4 (6 domains)

结构域编号 domain_id1q90A01
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily830 — Cytochrome f large domain
结构域编号 domain_id1q90A02
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily100 — RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain
结构域编号 domain_id1q90B00
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology810 — Cytochrome Bc1 Complex; Chain C
同源超家族 H-superfamily homologous superfamily10 — Cytochrome Bc1 Complex; Chain C
结构域编号 domain_id1q90C00
类 Class class2 — Mainly Beta
架构 Architecture architecture102 — 3-layer Sandwich
拓扑 Topology topology10 — Rieske Iron-sulfur Protein
同源超家族 H-superfamily homologous superfamily10 — Rieske [2Fe-2S] iron-sulphur domain
结构域编号 domain_id1q90D01
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
同源超家族 H-superfamily homologous superfamily510 — Single helix bin
结构域编号 domain_id1q90D02
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology287 — Helix Hairpins
同源超家族 H-superfamily homologous superfamily980 — plastocyanin oxidoreductase

7. 引用文献 (2)

8. 文件与曲线 (10)