3cx5

Structure of complex III with bound cytochrome c in reduced state and definition of a minimal core interface for electron transfer.

Method: X-RAY DIFFRACTION

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1. 蛋白身份与相关结构 Protein Identity & Related Structures

Cytochrome b-c1 complex subunit 1, mitochondrial

物种未注明

当前结构中的状态

Assembly	物理组成	蛋白状态	分子拷贝数	共同组分	数据核对
1	其他组合	异源复合物	蛋白 23 其他聚合物 1	Cytochrome b-c1 complex subunit 2, mitochondrial × 2 （P07257） CYTOCHROME B × 2 （P00163） Cytochrome c1, heme protein, mitochondrial × 2 （P07143） Cytochrome b-c1 complex subunit Rieske, mitochondrial × 2 （P08067） Cytochrome b-c1 complex subunit 6 × 2 （P00127） Cytochrome b-c1 complex subunit 7 × 2 （P00128） Cytochrome b-c1 complex subunit 8 × 2 （P08525） Cytochrome b-c1 complex subunit 9 × 2 （P22289） HEAVY CHAIN (VH) OF FV-FRAGMENT × 2 LIGHT CHAIN (VL) OF FV-FRAGMENT × 2 Cytochrome c iso-1 × 1 （P00044） beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 1 (1R)-2-(phosphonooxy)-1-[(tridecanoyloxy)methyl]ethyl pentadecanoate × 2 UNDECYL-MALTOSIDE × 2 PROTOPORPHYRIN IX CONTAINING FE × 7 STIGMATELLIN A × 2 (2R)-3-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-2-(tetradecanoyloxy)propyl octadecanoate × 2 (1R)-2-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-1-[(heptanoyloxy)methyl]ethyl octadecanoate × 2 (5S,11R)-5,8,11-trihydroxy-5,11-dioxido-17-oxo-4,6,10,12,16-pentaoxa-5,11-diphosphaoctadec-1-yl pentadecanoate × 1 (1R)-2-(dodecanoyloxy)-1-[(phosphonooxy)methyl]ethyl tetradecanoate × 2 ;(2R,5S,11R,14R)-5,8,11-trihydroxy-2-(nonanoyloxy)-5,11-dioxido-16-oxo-14-[(propanoyloxy)methyl]-4,6,10,12,15-pentaoxa-5,11-diphosphanonadec-1-yl undecanoate ; × 2 FE2/S2 (INORGANIC) CLUSTER × 2 water × 23	与蛋白数一致

数据库中的同蛋白其他状态

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UniProt名称	QCR1_YEAST
Isoform	—
PDB实体	1
链与序列区间	作者链 A； PDB构建体 1–431； UniProt 27–457 作者链 L； PDB构建体 1–431； UniProt 27–457

Cytochrome b-c1 complex subunit 2, mitochondrial

物种未注明

UniProt P07257

当前结构中的状态

Assembly	物理组成	蛋白状态	分子拷贝数	共同组分	数据核对
1	其他组合	异源复合物	蛋白 23 其他聚合物 1	Cytochrome b-c1 complex subunit 1, mitochondrial × 2 （P07256） CYTOCHROME B × 2 （P00163） Cytochrome c1, heme protein, mitochondrial × 2 （P07143） Cytochrome b-c1 complex subunit Rieske, mitochondrial × 2 （P08067） Cytochrome b-c1 complex subunit 6 × 2 （P00127） Cytochrome b-c1 complex subunit 7 × 2 （P00128） Cytochrome b-c1 complex subunit 8 × 2 （P08525） Cytochrome b-c1 complex subunit 9 × 2 （P22289） HEAVY CHAIN (VH) OF FV-FRAGMENT × 2 LIGHT CHAIN (VL) OF FV-FRAGMENT × 2 Cytochrome c iso-1 × 1 （P00044） beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 1 (1R)-2-(phosphonooxy)-1-[(tridecanoyloxy)methyl]ethyl pentadecanoate × 2 UNDECYL-MALTOSIDE × 2 PROTOPORPHYRIN IX CONTAINING FE × 7 STIGMATELLIN A × 2 (2R)-3-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-2-(tetradecanoyloxy)propyl octadecanoate × 2 (1R)-2-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-1-[(heptanoyloxy)methyl]ethyl octadecanoate × 2 (5S,11R)-5,8,11-trihydroxy-5,11-dioxido-17-oxo-4,6,10,12,16-pentaoxa-5,11-diphosphaoctadec-1-yl pentadecanoate × 1 (1R)-2-(dodecanoyloxy)-1-[(phosphonooxy)methyl]ethyl tetradecanoate × 2 ;(2R,5S,11R,14R)-5,8,11-trihydroxy-2-(nonanoyloxy)-5,11-dioxido-16-oxo-14-[(propanoyloxy)methyl]-4,6,10,12,15-pentaoxa-5,11-diphosphanonadec-1-yl undecanoate ; × 2 FE2/S2 (INORGANIC) CLUSTER × 2 water × 23	与蛋白数一致

数据库中的同蛋白其他状态

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UniProt名称	QCR2_YEAST
Isoform	—
PDB实体	2
链与序列区间	作者链 B； PDB构建体 1–352； UniProt 17–368 作者链 M； PDB构建体 1–352； UniProt 17–368

CYTOCHROME B

物种未注明

UniProt P00163

当前结构中的状态

Assembly	物理组成	蛋白状态	分子拷贝数	共同组分	数据核对
1	其他组合	异源复合物	蛋白 23 其他聚合物 1	Cytochrome b-c1 complex subunit 1, mitochondrial × 2 （P07256） Cytochrome b-c1 complex subunit 2, mitochondrial × 2 （P07257） Cytochrome c1, heme protein, mitochondrial × 2 （P07143） Cytochrome b-c1 complex subunit Rieske, mitochondrial × 2 （P08067） Cytochrome b-c1 complex subunit 6 × 2 （P00127） Cytochrome b-c1 complex subunit 7 × 2 （P00128） Cytochrome b-c1 complex subunit 8 × 2 （P08525） Cytochrome b-c1 complex subunit 9 × 2 （P22289） HEAVY CHAIN (VH) OF FV-FRAGMENT × 2 LIGHT CHAIN (VL) OF FV-FRAGMENT × 2 Cytochrome c iso-1 × 1 （P00044） beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 1 (1R)-2-(phosphonooxy)-1-[(tridecanoyloxy)methyl]ethyl pentadecanoate × 2 UNDECYL-MALTOSIDE × 2 PROTOPORPHYRIN IX CONTAINING FE × 7 STIGMATELLIN A × 2 (2R)-3-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-2-(tetradecanoyloxy)propyl octadecanoate × 2 (1R)-2-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-1-[(heptanoyloxy)methyl]ethyl octadecanoate × 2 (5S,11R)-5,8,11-trihydroxy-5,11-dioxido-17-oxo-4,6,10,12,16-pentaoxa-5,11-diphosphaoctadec-1-yl pentadecanoate × 1 (1R)-2-(dodecanoyloxy)-1-[(phosphonooxy)methyl]ethyl tetradecanoate × 2 ;(2R,5S,11R,14R)-5,8,11-trihydroxy-2-(nonanoyloxy)-5,11-dioxido-16-oxo-14-[(propanoyloxy)methyl]-4,6,10,12,15-pentaoxa-5,11-diphosphanonadec-1-yl undecanoate ; × 2 FE2/S2 (INORGANIC) CLUSTER × 2 water × 23	与蛋白数一致

数据库中的同蛋白其他状态

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UniProt名称	CYB_YEAST
Isoform	—
PDB实体	3
链与序列区间	作者链 C； PDB构建体 1–385； UniProt 1–385 作者链 N； PDB构建体 1–385； UniProt 1–385

Cytochrome c1, heme protein, mitochondrial

物种未注明

UniProt P07143

当前结构中的状态

Assembly	物理组成	蛋白状态	分子拷贝数	共同组分	数据核对
1	其他组合	异源复合物	蛋白 23 其他聚合物 1	Cytochrome b-c1 complex subunit 1, mitochondrial × 2 （P07256） Cytochrome b-c1 complex subunit 2, mitochondrial × 2 （P07257） CYTOCHROME B × 2 （P00163） Cytochrome b-c1 complex subunit Rieske, mitochondrial × 2 （P08067） Cytochrome b-c1 complex subunit 6 × 2 （P00127） Cytochrome b-c1 complex subunit 7 × 2 （P00128） Cytochrome b-c1 complex subunit 8 × 2 （P08525） Cytochrome b-c1 complex subunit 9 × 2 （P22289） HEAVY CHAIN (VH) OF FV-FRAGMENT × 2 LIGHT CHAIN (VL) OF FV-FRAGMENT × 2 Cytochrome c iso-1 × 1 （P00044） beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 1 (1R)-2-(phosphonooxy)-1-[(tridecanoyloxy)methyl]ethyl pentadecanoate × 2 UNDECYL-MALTOSIDE × 2 PROTOPORPHYRIN IX CONTAINING FE × 7 STIGMATELLIN A × 2 (2R)-3-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-2-(tetradecanoyloxy)propyl octadecanoate × 2 (1R)-2-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-1-[(heptanoyloxy)methyl]ethyl octadecanoate × 2 (5S,11R)-5,8,11-trihydroxy-5,11-dioxido-17-oxo-4,6,10,12,16-pentaoxa-5,11-diphosphaoctadec-1-yl pentadecanoate × 1 (1R)-2-(dodecanoyloxy)-1-[(phosphonooxy)methyl]ethyl tetradecanoate × 2 ;(2R,5S,11R,14R)-5,8,11-trihydroxy-2-(nonanoyloxy)-5,11-dioxido-16-oxo-14-[(propanoyloxy)methyl]-4,6,10,12,15-pentaoxa-5,11-diphosphanonadec-1-yl undecanoate ; × 2 FE2/S2 (INORGANIC) CLUSTER × 2 water × 23	与蛋白数一致

数据库中的同蛋白其他状态

查看构建体与数据证据

UniProt名称	CY1_YEAST
Isoform	—
PDB实体	4
链与序列区间	作者链 D； PDB构建体 1–248； UniProt 62–309 作者链 O； PDB构建体 1–248； UniProt 62–309

Cytochrome b-c1 complex subunit Rieske, mitochondrial

物种未注明

UniProt P08067

当前结构中的状态

Assembly	物理组成	蛋白状态	分子拷贝数	共同组分	数据核对
1	其他组合	异源复合物	蛋白 23 其他聚合物 1	Cytochrome b-c1 complex subunit 1, mitochondrial × 2 （P07256） Cytochrome b-c1 complex subunit 2, mitochondrial × 2 （P07257） CYTOCHROME B × 2 （P00163） Cytochrome c1, heme protein, mitochondrial × 2 （P07143） Cytochrome b-c1 complex subunit 6 × 2 （P00127） Cytochrome b-c1 complex subunit 7 × 2 （P00128） Cytochrome b-c1 complex subunit 8 × 2 （P08525） Cytochrome b-c1 complex subunit 9 × 2 （P22289） HEAVY CHAIN (VH) OF FV-FRAGMENT × 2 LIGHT CHAIN (VL) OF FV-FRAGMENT × 2 Cytochrome c iso-1 × 1 （P00044） beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 1 (1R)-2-(phosphonooxy)-1-[(tridecanoyloxy)methyl]ethyl pentadecanoate × 2 UNDECYL-MALTOSIDE × 2 PROTOPORPHYRIN IX CONTAINING FE × 7 STIGMATELLIN A × 2 (2R)-3-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-2-(tetradecanoyloxy)propyl octadecanoate × 2 (1R)-2-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-1-[(heptanoyloxy)methyl]ethyl octadecanoate × 2 (5S,11R)-5,8,11-trihydroxy-5,11-dioxido-17-oxo-4,6,10,12,16-pentaoxa-5,11-diphosphaoctadec-1-yl pentadecanoate × 1 (1R)-2-(dodecanoyloxy)-1-[(phosphonooxy)methyl]ethyl tetradecanoate × 2 ;(2R,5S,11R,14R)-5,8,11-trihydroxy-2-(nonanoyloxy)-5,11-dioxido-16-oxo-14-[(propanoyloxy)methyl]-4,6,10,12,15-pentaoxa-5,11-diphosphanonadec-1-yl undecanoate ; × 2 FE2/S2 (INORGANIC) CLUSTER × 2 water × 23	与蛋白数一致

数据库中的同蛋白其他状态

查看构建体与数据证据

UniProt名称	UCRI_YEAST
Isoform	—
PDB实体	5
链与序列区间	作者链 E； PDB构建体 1–185； UniProt 31–215 作者链 P； PDB构建体 1–185； UniProt 31–215

Cytochrome b-c1 complex subunit 6

物种未注明

UniProt P00127

当前结构中的状态

Assembly	物理组成	蛋白状态	分子拷贝数	共同组分	数据核对
1	其他组合	异源复合物	蛋白 23 其他聚合物 1	Cytochrome b-c1 complex subunit 1, mitochondrial × 2 （P07256） Cytochrome b-c1 complex subunit 2, mitochondrial × 2 （P07257） CYTOCHROME B × 2 （P00163） Cytochrome c1, heme protein, mitochondrial × 2 （P07143） Cytochrome b-c1 complex subunit Rieske, mitochondrial × 2 （P08067） Cytochrome b-c1 complex subunit 7 × 2 （P00128） Cytochrome b-c1 complex subunit 8 × 2 （P08525） Cytochrome b-c1 complex subunit 9 × 2 （P22289） HEAVY CHAIN (VH) OF FV-FRAGMENT × 2 LIGHT CHAIN (VL) OF FV-FRAGMENT × 2 Cytochrome c iso-1 × 1 （P00044） beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 1 (1R)-2-(phosphonooxy)-1-[(tridecanoyloxy)methyl]ethyl pentadecanoate × 2 UNDECYL-MALTOSIDE × 2 PROTOPORPHYRIN IX CONTAINING FE × 7 STIGMATELLIN A × 2 (2R)-3-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-2-(tetradecanoyloxy)propyl octadecanoate × 2 (1R)-2-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-1-[(heptanoyloxy)methyl]ethyl octadecanoate × 2 (5S,11R)-5,8,11-trihydroxy-5,11-dioxido-17-oxo-4,6,10,12,16-pentaoxa-5,11-diphosphaoctadec-1-yl pentadecanoate × 1 (1R)-2-(dodecanoyloxy)-1-[(phosphonooxy)methyl]ethyl tetradecanoate × 2 ;(2R,5S,11R,14R)-5,8,11-trihydroxy-2-(nonanoyloxy)-5,11-dioxido-16-oxo-14-[(propanoyloxy)methyl]-4,6,10,12,15-pentaoxa-5,11-diphosphanonadec-1-yl undecanoate ; × 2 FE2/S2 (INORGANIC) CLUSTER × 2 water × 23	与蛋白数一致

数据库中的同蛋白其他状态

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UniProt名称	QCR6_YEAST
Isoform	—
PDB实体	6
链与序列区间	作者链 F； PDB构建体 1–146； UniProt 2–147 作者链 Q； PDB构建体 1–146； UniProt 2–147

Cytochrome b-c1 complex subunit 7

物种未注明

UniProt P00128

当前结构中的状态

Assembly	物理组成	蛋白状态	分子拷贝数	共同组分	数据核对
1	其他组合	异源复合物	蛋白 23 其他聚合物 1	Cytochrome b-c1 complex subunit 1, mitochondrial × 2 （P07256） Cytochrome b-c1 complex subunit 2, mitochondrial × 2 （P07257） CYTOCHROME B × 2 （P00163） Cytochrome c1, heme protein, mitochondrial × 2 （P07143） Cytochrome b-c1 complex subunit Rieske, mitochondrial × 2 （P08067） Cytochrome b-c1 complex subunit 6 × 2 （P00127） Cytochrome b-c1 complex subunit 8 × 2 （P08525） Cytochrome b-c1 complex subunit 9 × 2 （P22289） HEAVY CHAIN (VH) OF FV-FRAGMENT × 2 LIGHT CHAIN (VL) OF FV-FRAGMENT × 2 Cytochrome c iso-1 × 1 （P00044） beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 1 (1R)-2-(phosphonooxy)-1-[(tridecanoyloxy)methyl]ethyl pentadecanoate × 2 UNDECYL-MALTOSIDE × 2 PROTOPORPHYRIN IX CONTAINING FE × 7 STIGMATELLIN A × 2 (2R)-3-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-2-(tetradecanoyloxy)propyl octadecanoate × 2 (1R)-2-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-1-[(heptanoyloxy)methyl]ethyl octadecanoate × 2 (5S,11R)-5,8,11-trihydroxy-5,11-dioxido-17-oxo-4,6,10,12,16-pentaoxa-5,11-diphosphaoctadec-1-yl pentadecanoate × 1 (1R)-2-(dodecanoyloxy)-1-[(phosphonooxy)methyl]ethyl tetradecanoate × 2 ;(2R,5S,11R,14R)-5,8,11-trihydroxy-2-(nonanoyloxy)-5,11-dioxido-16-oxo-14-[(propanoyloxy)methyl]-4,6,10,12,15-pentaoxa-5,11-diphosphanonadec-1-yl undecanoate ; × 2 FE2/S2 (INORGANIC) CLUSTER × 2 water × 23	与蛋白数一致

数据库中的同蛋白其他状态

查看构建体与数据证据

UniProt名称	QCR7_YEAST
Isoform	—
PDB实体	7
链与序列区间	作者链 G； PDB构建体 1–126； UniProt 2–127 作者链 R； PDB构建体 1–126； UniProt 2–127

Cytochrome b-c1 complex subunit 8

物种未注明

UniProt P08525

当前结构中的状态

Assembly	物理组成	蛋白状态	分子拷贝数	共同组分	数据核对
1	其他组合	异源复合物	蛋白 23 其他聚合物 1	Cytochrome b-c1 complex subunit 1, mitochondrial × 2 （P07256） Cytochrome b-c1 complex subunit 2, mitochondrial × 2 （P07257） CYTOCHROME B × 2 （P00163） Cytochrome c1, heme protein, mitochondrial × 2 （P07143） Cytochrome b-c1 complex subunit Rieske, mitochondrial × 2 （P08067） Cytochrome b-c1 complex subunit 6 × 2 （P00127） Cytochrome b-c1 complex subunit 7 × 2 （P00128） Cytochrome b-c1 complex subunit 9 × 2 （P22289） HEAVY CHAIN (VH) OF FV-FRAGMENT × 2 LIGHT CHAIN (VL) OF FV-FRAGMENT × 2 Cytochrome c iso-1 × 1 （P00044） beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 1 (1R)-2-(phosphonooxy)-1-[(tridecanoyloxy)methyl]ethyl pentadecanoate × 2 UNDECYL-MALTOSIDE × 2 PROTOPORPHYRIN IX CONTAINING FE × 7 STIGMATELLIN A × 2 (2R)-3-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-2-(tetradecanoyloxy)propyl octadecanoate × 2 (1R)-2-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-1-[(heptanoyloxy)methyl]ethyl octadecanoate × 2 (5S,11R)-5,8,11-trihydroxy-5,11-dioxido-17-oxo-4,6,10,12,16-pentaoxa-5,11-diphosphaoctadec-1-yl pentadecanoate × 1 (1R)-2-(dodecanoyloxy)-1-[(phosphonooxy)methyl]ethyl tetradecanoate × 2 ;(2R,5S,11R,14R)-5,8,11-trihydroxy-2-(nonanoyloxy)-5,11-dioxido-16-oxo-14-[(propanoyloxy)methyl]-4,6,10,12,15-pentaoxa-5,11-diphosphanonadec-1-yl undecanoate ; × 2 FE2/S2 (INORGANIC) CLUSTER × 2 water × 23	与蛋白数一致

数据库中的同蛋白其他状态

查看构建体与数据证据

UniProt名称	QCR8_YEAST
Isoform	—
PDB实体	8
链与序列区间	作者链 H； PDB构建体 1–93； UniProt 2–94 作者链 S； PDB构建体 1–93； UniProt 2–94

Cytochrome b-c1 complex subunit 9

物种未注明

UniProt P22289

当前结构中的状态

Assembly	物理组成	蛋白状态	分子拷贝数	共同组分	数据核对
1	其他组合	异源复合物	蛋白 23 其他聚合物 1	Cytochrome b-c1 complex subunit 1, mitochondrial × 2 （P07256） Cytochrome b-c1 complex subunit 2, mitochondrial × 2 （P07257） CYTOCHROME B × 2 （P00163） Cytochrome c1, heme protein, mitochondrial × 2 （P07143） Cytochrome b-c1 complex subunit Rieske, mitochondrial × 2 （P08067） Cytochrome b-c1 complex subunit 6 × 2 （P00127） Cytochrome b-c1 complex subunit 7 × 2 （P00128） Cytochrome b-c1 complex subunit 8 × 2 （P08525） HEAVY CHAIN (VH) OF FV-FRAGMENT × 2 LIGHT CHAIN (VL) OF FV-FRAGMENT × 2 Cytochrome c iso-1 × 1 （P00044） beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 1 (1R)-2-(phosphonooxy)-1-[(tridecanoyloxy)methyl]ethyl pentadecanoate × 2 UNDECYL-MALTOSIDE × 2 PROTOPORPHYRIN IX CONTAINING FE × 7 STIGMATELLIN A × 2 (2R)-3-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-2-(tetradecanoyloxy)propyl octadecanoate × 2 (1R)-2-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-1-[(heptanoyloxy)methyl]ethyl octadecanoate × 2 (5S,11R)-5,8,11-trihydroxy-5,11-dioxido-17-oxo-4,6,10,12,16-pentaoxa-5,11-diphosphaoctadec-1-yl pentadecanoate × 1 (1R)-2-(dodecanoyloxy)-1-[(phosphonooxy)methyl]ethyl tetradecanoate × 2 ;(2R,5S,11R,14R)-5,8,11-trihydroxy-2-(nonanoyloxy)-5,11-dioxido-16-oxo-14-[(propanoyloxy)methyl]-4,6,10,12,15-pentaoxa-5,11-diphosphanonadec-1-yl undecanoate ; × 2 FE2/S2 (INORGANIC) CLUSTER × 2 water × 23	与蛋白数一致

数据库中的同蛋白其他状态

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UniProt名称	QCR9_YEAST
Isoform	—
PDB实体	9
链与序列区间	作者链 I； PDB构建体 1–65； UniProt 2–66 作者链 T； PDB构建体 1–65； UniProt 2–66

Cytochrome c iso-1

物种未注明

UniProt P00044

当前结构中的状态

Assembly	物理组成	蛋白状态	分子拷贝数	共同组分	数据核对
1	其他组合	异源复合物	蛋白 23 其他聚合物 1	Cytochrome b-c1 complex subunit 1, mitochondrial × 2 （P07256） Cytochrome b-c1 complex subunit 2, mitochondrial × 2 （P07257） CYTOCHROME B × 2 （P00163） Cytochrome c1, heme protein, mitochondrial × 2 （P07143） Cytochrome b-c1 complex subunit Rieske, mitochondrial × 2 （P08067） Cytochrome b-c1 complex subunit 6 × 2 （P00127） Cytochrome b-c1 complex subunit 7 × 2 （P00128） Cytochrome b-c1 complex subunit 8 × 2 （P08525） Cytochrome b-c1 complex subunit 9 × 2 （P22289） HEAVY CHAIN (VH) OF FV-FRAGMENT × 2 LIGHT CHAIN (VL) OF FV-FRAGMENT × 2 beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 1 (1R)-2-(phosphonooxy)-1-[(tridecanoyloxy)methyl]ethyl pentadecanoate × 2 UNDECYL-MALTOSIDE × 2 PROTOPORPHYRIN IX CONTAINING FE × 7 STIGMATELLIN A × 2 (2R)-3-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-2-(tetradecanoyloxy)propyl octadecanoate × 2 (1R)-2-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-1-[(heptanoyloxy)methyl]ethyl octadecanoate × 2 (5S,11R)-5,8,11-trihydroxy-5,11-dioxido-17-oxo-4,6,10,12,16-pentaoxa-5,11-diphosphaoctadec-1-yl pentadecanoate × 1 (1R)-2-(dodecanoyloxy)-1-[(phosphonooxy)methyl]ethyl tetradecanoate × 2 ;(2R,5S,11R,14R)-5,8,11-trihydroxy-2-(nonanoyloxy)-5,11-dioxido-16-oxo-14-[(propanoyloxy)methyl]-4,6,10,12,15-pentaoxa-5,11-diphosphanonadec-1-yl undecanoate ; × 2 FE2/S2 (INORGANIC) CLUSTER × 2 water × 23	与蛋白数一致

数据库中的同蛋白其他状态

查看构建体与数据证据

UniProt名称	CYC1_YEAST
Isoform	—
PDB实体	12
链与序列区间	作者链 W； PDB构建体 1–108； UniProt 2–109

页面优先展示蛋白身份、当前 assembly、共同组分、聚集状态和跨 PDB 结构链接。链映射与序列区间收在“数据证据”中；数据库内部编号、导入时间和 assembly 操作表达式仅用于维护，因此不在读者页面展示。

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2. 结构基本信息 2. Structure Basics

条目编号 entry_id	3cx5
沉积日期 deposition_date	2008-04-23
结构标题 title	Structure of complex III with bound cytochrome c in reduced state and definition of a minimal core interface for electron transfer.
关键词 keywords	;COMPLEX III, CYTOCHROME C, ELECTRON TRANSFER COMPLEX, CYTOCHROME BC1 COMPLEX, MITOCHONDRIALTRANSMEMBRANE COMPLEX, RESPIRATORY CHAIN, TRANSIENT PROTEIN-PROTEIN INTERACTION, Electron transport, Inner membrane, Mitochondrion, Transit peptide, Transport, Phosphoprotein, Heme, Iron, Metal-binding, Iron-sulfur, Oxidoreductase, Methylation ;; OXIDOREDUCTASE
实验方法 method	X-RAY DIFFRACTION

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3. Official assembly/model 理论 SAXS Official SAXS Profiles

页面只读取最新 assembly 计算结果。每一条曲线都对应明确的 PDB、official biological assembly 和 coordinate model。

3cx5__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

下载该曲线 .dat

3cx5__assembly_1__model_1 | I(q)

100 个绘图点；横轴和纵轴均采用对数尺度。

3cx5__assembly_1__model_1 | P(r) · Pending

P(r) 将按相同 assembly/model 分别计算和展示。

Rg（Guinier）	59.59 Å
Rg（电子密度）	58.67 Å
总 Rg	58.68 Å
原子数	36363
残基数	4477
排除体积	652690 Å³
最大 q	0.500 Å⁻¹

Assembly	Model	结构单元	聚集说明	状态	CRYSOL	操作
1	1	`3cx5__assembly_1__model_1`	23-meric （23）	成功	4.1.3-1-20251215 (887e7ef)	查看下载

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

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5. 实体与聚合物信息 Entities & Polymers (24)

实体 1 Entity 1 polymer

描述 description	Cytochrome b-c1 complex subunit 1, mitochondrial
分子量 formula_weight	47445.2 kDa
EC 编号 ec_number	1.10.2.2
来源方法 src_method	nat
拷贝数 entity_count	2

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	A,L
原子数 atom_count	38020

AEVTQLSNGIVVATEHNPSAHTASVGVVFGSGAANENPYNNGVSNLWKNIFLSKENSAVAAKEGLALSSNISRDFQSYIVSSLPGSTDKSLDFLNQSFIQQKANLLSSSNFEATKKSVLKQVQDFEDNDHPNRVLEHLHSTAFQNTPLSLPTRGTLESLENLVVADLESFANNHFLNSNAVVVGTGNIKHEDLVNSIESKNLSLQTGTKPVLKKKAAFLGSEVRLRDDTLPKAWISLAVEGEPVNSPNYFVAKLAAQIFGSYNAFEPASRLQGIKLLDNIQEYQLCDNFNHFSLSYKDSGLWGFSTATRNVTMIDDLIHFTLKQWNRLTISVTDTEVERAKSLLKLQLGQLYESGNPVNDANLLGAEVLIKGSKLSLGEAFKKIDAITVKDVKAWAGKRLWDQDIAIAGTGQIEGLLDYMRIRSDMSMMRW

实体 2 Entity 2 polymer

描述 description	Cytochrome b-c1 complex subunit 2, mitochondrial
分子量 formula_weight	38751.9 kDa
EC 编号 ec_number	1.10.2.2
来源方法 src_method	nat
拷贝数 entity_count	2

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	B,M

LTVSARDAPTKISTLAVKVHGGSRYATKDGVAHLLNRFNFQNTNTRSALKLVRESELLGGTFKSTLDREYITLKATFLKDDLPYYVNALADVLYKTAFKPHELTESVLPAARYDYAVAEQCPVKSAEDQLYAITFRKGLGNPLLYDGVERVSLQDIKDFADKVYTKENLEVSGENVVEADLKRFVDESLLSTLPAGKSLVSKSEPKFFLGEENRVRFIGDSVAAIGIPVNKASLAQYEVLANYLTSALSELSGLISSAKLDKFTDGGLFTLFVRDQDSAVVSSNIKKIVADLKKGKDLSPAINYTKLKNAVQNESVSSPIELNFDAVKDFKLGKFNYVAVGDVSNLPYLDEL

实体 3 Entity 3 polymer

描述 description	CYTOCHROME B
分子量 formula_weight	43686.6 kDa
EC 编号 ec_number	1.10.2.2
来源方法 src_method	nat
拷贝数 entity_count	2

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	C,N

MAFRKSNVYLSLVNSYIIDSPQPSSINYWWNMGSLLGLCLVIQIVTGIFMAMHYSSNIELAFSSVEHIMRDVHNGYILRYLHANGASFFFMVMFMHMAKGLYYGSYRSPRVTLWNVGVIIFILTIATAFLGYCCVYGQMSHWGATVITNLFSAIPFVGNDIVSWLWGGFSVSNPTIQRFFALHYLVPFIIAAMVIMHLMALHIHGSSNPLGITGNLDRIPMHSYFIFKDLVTVFLFMLILALFVFYSPNTLGHPDNYIPGNPLVTPASIVPEWYLLPFYAILRSIPDKLLGVITMFAAILVLLVLPFTDRSVVRGNTFKVLSKFFFFIFVFNFVLLGQIGACHVEVPYVLMGQIATFIYFAYFLIIVPVISTIENVLFYIGRVNK

实体 4 Entity 4 polymer

描述 description	Cytochrome c1, heme protein, mitochondrial
分子量 formula_weight	27807.4 kDa
EC 编号 ec_number	1.10.2.2
来源方法 src_method	nat
拷贝数 entity_count	2

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	D,O

MTAAEHGLHAPAYAWSHNGPFETFDHASIRRGYQVYREVCAACHSLDRVAWRTLVGVSHTNEEVRNMAEEFEYDDEPDEQGNPKKRPGKLSDYIPGPYPNEQAARAANQGALPPDLSLIVKARHGGCDYIFSLLTGYPDEPPAGVALPPGSNYNPYFPGGSIAMARVLFDDMVEYEDGTPATTSQMAKDVTTFLNWCAEPEHDERKRLGLKTVIILSSLYLLSIWVKKFKWAGIKTRKFVFNPPKPRK

实体 5 Entity 5 polymer

描述 description	Cytochrome b-c1 complex subunit Rieske, mitochondrial
分子量 formula_weight	20123.0 kDa
EC 编号 ec_number	1.10.2.2
来源方法 src_method	nat
拷贝数 entity_count	2

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	E,P

KSTYRTPNFDDVLKENNDADKGRSYAYFMVGAMGLLSSAGAKSTVETFISSMTATADVLAMAKVEVNLAAIPLGKNVVVKWQGKPVFIRHRTPHEIQEANSVDMSALKDPQTDADRVKDPQWLIMLGICTHLGCVPIGEAGDFGGWFCPCHGSHYDISGRIRKGPAPLNLEIPAYEFDGDKVIVG

实体 6 Entity 6 polymer

描述 description	Cytochrome b-c1 complex subunit 6
分子量 formula_weight	17144.9 kDa
EC 编号 ec_number	1.10.2.2
来源方法 src_method	nat
拷贝数 entity_count	2

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	F,Q

GMLELVGEYWEQLKITVVPVVAAAEDDDNEQHEEKAAEGEEKEEENGDEDEDEDEDEDDDDDDDEDEEEEEEVTDQLEDLREHFKNTEEGKALVHHYEECAERVKIQQQQPGYADLEHKEDCVEEFFHLQHYLDTATAPRLFDKLK

实体 7 Entity 7 polymer

描述 description	Cytochrome b-c1 complex subunit 7
分子量 formula_weight	14452.6 kDa
EC 编号 ec_number	1.10.2.2
来源方法 src_method	nat
拷贝数 entity_count	2

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	G,R

PQSFTSIARIGDYILKSPVLSKLCVPVANQFINLAGYKKLGLKFDDLIAEENPIMQTALRRLPEDESYARAYRIIRAHQTELTHHLLPRNEWIKAQEDVPYLLPYILEAEAAAKEKDELDNIEVSK

实体 8 Entity 8 polymer

描述 description	Cytochrome b-c1 complex subunit 8
分子量 formula_weight	10856.3 kDa
EC 编号 ec_number	1.10.2.2
来源方法 src_method	nat
拷贝数 entity_count	2

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	H,S

GPPSGKTYMGWWGHMGGPKQKGITSYAVSPYAQKPLQGIFHNAVFNSFRRFKSQFLYVLIPAGIYWYWWKNGNEYNEFLYSKAGREELERVNV

实体 9 Entity 9 polymer

描述 description	Cytochrome b-c1 complex subunit 9
分子量 formula_weight	7354.1 kDa
EC 编号 ec_number	1.10.2.2
来源方法 src_method	nat
拷贝数 entity_count	2

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	I,T

SFSSLYKTFFKRNAVFVGTIFAGAFVFQTVFDTAITSWYENHNKGKLWKDVKARIAAGDGDDDDE

实体 10 Entity 10 polymer

描述 description	HEAVY CHAIN (VH) OF FV-FRAGMENT
分子量 formula_weight	14365.8 kDa
来源方法 src_method	man
拷贝数 entity_count	2

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	J,U

EVKLQESGAGLVQPSQSLSLTCSVTGYSITSGYYWNWIRLFPGNKLEWVGYISNVGDNNYNPSLKDRLSITRDTSKNQFFLKLNSVTTEDTATYYCARSEYYSVTGYAMDYWGQGTTVTVSSAWRHP

来源 Source

来源生物 organism	Mus musculus
通用名 common_name	house mouse
NCBI 分类编号 ncbi_taxonomy_id	10090
宿主生物 host_organism	Escherichia coli

实体 11 Entity 11 polymer

描述 description	LIGHT CHAIN (VL) OF FV-FRAGMENT
分子量 formula_weight	11926.4 kDa
来源方法 src_method	man
拷贝数 entity_count	2

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	K,V

DIELTQTPVSLAASLGDRVTISCRASQDINNFLNWYQQKPDGTIKLLIYYTSRLHAGVPSRFSGSGSGTDYSLTISNLEPEDIATYFCQHHIKFPWTFGAGTKLEIK

来源 Source

来源生物 organism	Mus musculus
通用名 common_name	house mouse
NCBI 分类编号 ncbi_taxonomy_id	10090
宿主生物 host_organism	Escherichia coli

实体 12 Entity 12 polymer

描述 description	Cytochrome c iso-1
分子量 formula_weight	12115.9 kDa
来源方法 src_method	nat
拷贝数 entity_count	1

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	W

TEFKAGSAKKGATLFKTRCLQCHTVEKGGPHKVGPNLHGIFGRHSGQAEGYSYTDANIKKNVLWDENNMSEYLTNPKKYIPGTKMAFGGLKKEKDRNDLITYLKKACE

实体 13 Entity 13 branched

描述 description	beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose
分子量 formula_weight	342.3 kDa
来源方法 src_method	man
拷贝数 entity_count	1

实体 14 Entity 14 non-polymer

描述 description	(1R)-2-(phosphonooxy)-1-[(tridecanoyloxy)methyl]ethyl pentadecanoate
分子量 formula_weight	592.8 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

实体 15 Entity 15 non-polymer

描述 description	UNDECYL-MALTOSIDE
分子量 formula_weight	496.6 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

实体 16 Entity 16 non-polymer

描述 description	PROTOPORPHYRIN IX CONTAINING FE
分子量 formula_weight	616.5 kDa
来源方法 src_method	syn
拷贝数 entity_count	7

实体 17 Entity 17 non-polymer

描述 description	STIGMATELLIN A
分子量 formula_weight	514.6 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

实体 18 Entity 18 non-polymer

描述 description	(2R)-3-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-2-(tetradecanoyloxy)propyl octadecanoate
分子量 formula_weight	692.0 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

实体 19 Entity 19 non-polymer

描述 description	(1R)-2-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-1-[(heptanoyloxy)methyl]ethyl octadecanoate
分子量 formula_weight	593.8 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

实体 20 Entity 20 non-polymer

描述 description	(5S,11R)-5,8,11-trihydroxy-5,11-dioxido-17-oxo-4,6,10,12,16-pentaoxa-5,11-diphosphaoctadec-1-yl pentadecanoate
分子量 formula_weight	634.6 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

实体 21 Entity 21 non-polymer

描述 description	(1R)-2-(dodecanoyloxy)-1-[(phosphonooxy)methyl]ethyl tetradecanoate
分子量 formula_weight	564.7 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

实体 22 Entity 22 non-polymer

描述 description	;(2R,5S,11R,14R)-5,8,11-trihydroxy-2-(nonanoyloxy)-5,11-dioxido-16-oxo-14-[(propanoyloxy)methyl]-4,6,10,12,15-pentaoxa-5,11-diphosphanonadec-1-yl undecanoate ;
分子量 formula_weight	834.9 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

实体 23 Entity 23 non-polymer

描述 description	FE2/S2 (INORGANIC) CLUSTER
分子量 formula_weight	175.8 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

实体 24 Entity 24 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	1648

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6. 折叠分类 (SCOP + CATH) 64 domains

SCOP 2.08 (33 domains)

结构域编号 domain_id	d3cx5a1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.185 — LuxS/MPP-like metallohydrolase
超家族 Superfamily superfamily	d.185.1 — LuxS/MPP-like metallohydrolase
家族 Family family	d.185.1.1 — MPP-like

结构域编号 domain_id	d3cx5a2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.185 — LuxS/MPP-like metallohydrolase
超家族 Superfamily superfamily	d.185.1 — LuxS/MPP-like metallohydrolase
家族 Family family	d.185.1.1 — MPP-like

结构域编号 domain_id	d3cx5b1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.185 — LuxS/MPP-like metallohydrolase
超家族 Superfamily superfamily	d.185.1 — LuxS/MPP-like metallohydrolase
家族 Family family	d.185.1.1 — MPP-like

结构域编号 domain_id	d3cx5b2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.185 — LuxS/MPP-like metallohydrolase
超家族 Superfamily superfamily	d.185.1 — LuxS/MPP-like metallohydrolase
家族 Family family	d.185.1.1 — MPP-like

结构域编号 domain_id	d3cx5c1
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.32 — a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
超家族 Superfamily superfamily	f.32.1 — a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
家族 Family family	f.32.1.0 — automated matches

结构域编号 domain_id	d3cx5c2
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.21 — Heme-binding four-helical bundle
超家族 Superfamily superfamily	f.21.1 — Transmembrane di-heme cytochromes
家族 Family family	f.21.1.2 — Cytochrome b of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)

结构域编号 domain_id	d3cx5d1
类 Class class	a — All alpha proteins
折叠类型 Fold fold	a.3 — Cytochrome c
超家族 Superfamily superfamily	a.3.1 — Cytochrome c
家族 Family family	a.3.1.3 — Cytochrome bc1 domain

结构域编号 domain_id	d3cx5d2
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.23 — Single transmembrane helix
超家族 Superfamily superfamily	f.23.11 — Cytochrome c1 subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane anchor
家族 Family family	f.23.11.1 — Cytochrome c1 subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane anchor

结构域编号 domain_id	d3cx5e1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.33 — ISP domain
超家族 Superfamily superfamily	b.33.1 — ISP domain
家族 Family family	b.33.1.1 — Rieske iron-sulfur protein (ISP)

结构域编号 domain_id	d3cx5e2
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.23 — Single transmembrane helix
超家族 Superfamily superfamily	f.23.12 — ISP transmembrane anchor
家族 Family family	f.23.12.1 — ISP transmembrane anchor

结构域编号 domain_id	d3cx5f_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.28 — Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
超家族 Superfamily superfamily	f.28.1 — Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
家族 Family family	f.28.1.1 — Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)

结构域编号 domain_id	d3cx5g_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.27 — 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
超家族 Superfamily superfamily	f.27.1 — 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
家族 Family family	f.27.1.1 — 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)

结构域编号 domain_id	d3cx5h_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.23 — Single transmembrane helix
超家族 Superfamily superfamily	f.23.13 — Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
家族 Family family	f.23.13.1 — Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)

结构域编号 domain_id	d3cx5i_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.23 — Single transmembrane helix
超家族 Superfamily superfamily	f.23.14 — Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
家族 Family family	f.23.14.1 — Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)

结构域编号 domain_id	d3cx5j_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamily	b.1.1 — Immunoglobulin
家族 Family family	b.1.1.1 — V set domains (antibody variable domain-like)

结构域编号 domain_id	d3cx5k_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamily	b.1.1 — Immunoglobulin
家族 Family family	b.1.1.1 — V set domains (antibody variable domain-like)

结构域编号 domain_id	d3cx5l1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.185 — LuxS/MPP-like metallohydrolase
超家族 Superfamily superfamily	d.185.1 — LuxS/MPP-like metallohydrolase
家族 Family family	d.185.1.1 — MPP-like

结构域编号 domain_id	d3cx5l2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.185 — LuxS/MPP-like metallohydrolase
超家族 Superfamily superfamily	d.185.1 — LuxS/MPP-like metallohydrolase
家族 Family family	d.185.1.1 — MPP-like

结构域编号 domain_id	d3cx5m1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.185 — LuxS/MPP-like metallohydrolase
超家族 Superfamily superfamily	d.185.1 — LuxS/MPP-like metallohydrolase
家族 Family family	d.185.1.1 — MPP-like

结构域编号 domain_id	d3cx5m2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.185 — LuxS/MPP-like metallohydrolase
超家族 Superfamily superfamily	d.185.1 — LuxS/MPP-like metallohydrolase
家族 Family family	d.185.1.1 — MPP-like

结构域编号 domain_id	d3cx5n1
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.32 — a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
超家族 Superfamily superfamily	f.32.1 — a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
家族 Family family	f.32.1.0 — automated matches

结构域编号 domain_id	d3cx5n2
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.21 — Heme-binding four-helical bundle
超家族 Superfamily superfamily	f.21.1 — Transmembrane di-heme cytochromes
家族 Family family	f.21.1.2 — Cytochrome b of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)

结构域编号 domain_id	d3cx5o1
类 Class class	a — All alpha proteins
折叠类型 Fold fold	a.3 — Cytochrome c
超家族 Superfamily superfamily	a.3.1 — Cytochrome c
家族 Family family	a.3.1.3 — Cytochrome bc1 domain

结构域编号 domain_id	d3cx5o2
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.23 — Single transmembrane helix
超家族 Superfamily superfamily	f.23.11 — Cytochrome c1 subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane anchor
家族 Family family	f.23.11.1 — Cytochrome c1 subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane anchor

结构域编号 domain_id	d3cx5p1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.33 — ISP domain
超家族 Superfamily superfamily	b.33.1 — ISP domain
家族 Family family	b.33.1.1 — Rieske iron-sulfur protein (ISP)

结构域编号 domain_id	d3cx5p2
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.23 — Single transmembrane helix
超家族 Superfamily superfamily	f.23.12 — ISP transmembrane anchor
家族 Family family	f.23.12.1 — ISP transmembrane anchor

结构域编号 domain_id	d3cx5q_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.28 — Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
超家族 Superfamily superfamily	f.28.1 — Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
家族 Family family	f.28.1.1 — Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)

结构域编号 domain_id	d3cx5r_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.27 — 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
超家族 Superfamily superfamily	f.27.1 — 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
家族 Family family	f.27.1.1 — 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)

结构域编号 domain_id	d3cx5s_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.23 — Single transmembrane helix
超家族 Superfamily superfamily	f.23.13 — Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
家族 Family family	f.23.13.1 — Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)

结构域编号 domain_id	d3cx5t_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.23 — Single transmembrane helix
超家族 Superfamily superfamily	f.23.14 — Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
家族 Family family	f.23.14.1 — Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)

结构域编号 domain_id	d3cx5u_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamily	b.1.1 — Immunoglobulin
家族 Family family	b.1.1.1 — V set domains (antibody variable domain-like)

结构域编号 domain_id	d3cx5v_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamily	b.1.1 — Immunoglobulin
家族 Family family	b.1.1.1 — V set domains (antibody variable domain-like)

结构域编号 domain_id	d3cx5w_
类 Class class	a — All alpha proteins
折叠类型 Fold fold	a.3 — Cytochrome c
超家族 Superfamily superfamily	a.3.1 — Cytochrome c
家族 Family family	a.3.1.1 — monodomain cytochrome c

CATH v4.4 (31 domains)

结构域编号 domain_id	3cx5A01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	830 — Cytochrome Bc1 Complex; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — Metalloenzyme, LuxS/M16 peptidase-like

结构域编号 domain_id	3cx5A02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	830 — Cytochrome Bc1 Complex; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — Metalloenzyme, LuxS/M16 peptidase-like

结构域编号 domain_id	3cx5B01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	830 — Cytochrome Bc1 Complex; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — Metalloenzyme, LuxS/M16 peptidase-like

结构域编号 domain_id	3cx5B02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	830 — Cytochrome Bc1 Complex; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — Metalloenzyme, LuxS/M16 peptidase-like

结构域编号 domain_id	3cx5C00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	20 — Up-down Bundle
拓扑 Topology topology	810 — Cytochrome Bc1 Complex; Chain C
同源超家族 H-superfamily homologous superfamily	10 — Cytochrome Bc1 Complex; Chain C

结构域编号 domain_id	3cx5D01
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	760 — Cytochrome Bc1 Complex; Chain D, domain 2
同源超家族 H-superfamily homologous superfamily	10 — Cytochrome c-like domain

结构域编号 domain_id	3cx5D02
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	20 — Up-down Bundle
拓扑 Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
同源超家族 H-superfamily homologous superfamily	100 — Cytochrome c1, transmembrane anchor, C-terminal

结构域编号 domain_id	3cx5E01
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	20 — Up-down Bundle
拓扑 Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
同源超家族 H-superfamily homologous superfamily	270 — Ubiquinol cytochrome reductase, transmembrane domain

结构域编号 domain_id	3cx5E02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	102 — 3-layer Sandwich
拓扑 Topology topology	10 — Rieske Iron-sulfur Protein
同源超家族 H-superfamily homologous superfamily	10 — Rieske [2Fe-2S] iron-sulphur domain

结构域编号 domain_id	3cx5F00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	287 — Helix Hairpins
同源超家族 H-superfamily homologous superfamily	20 — Ubiquinol-cytochrome C reductase hinge domain

结构域编号 domain_id	3cx5G00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	1090 — Cytochrome Bc1 Complex; Chain F
同源超家族 H-superfamily homologous superfamily	10 — Cytochrome b-c1 complex subunit 7

结构域编号 domain_id	3cx5H00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	20 — Up-down Bundle
拓扑 Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
同源超家族 H-superfamily homologous superfamily	210 — Cytochrome b-c1 complex subunit 8

结构域编号 domain_id	3cx5I00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	20 — Up-down Bundle
拓扑 Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
同源超家族 H-superfamily homologous superfamily	260 — Cytochrome b-c1 complex subunit 9

结构域编号 domain_id	3cx5J00
类 Class class	2 — Mainly Beta
架构 Architecture architecture	60 — Sandwich
拓扑 Topology topology	40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily	10 — Immunoglobulins

结构域编号 domain_id	3cx5K00
类 Class class	2 — Mainly Beta
架构 Architecture architecture	60 — Sandwich
拓扑 Topology topology	40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily	10 — Immunoglobulins

结构域编号 domain_id	3cx5L01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	830 — Cytochrome Bc1 Complex; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — Metalloenzyme, LuxS/M16 peptidase-like

结构域编号 domain_id	3cx5L02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	830 — Cytochrome Bc1 Complex; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — Metalloenzyme, LuxS/M16 peptidase-like

结构域编号 domain_id	3cx5M01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	830 — Cytochrome Bc1 Complex; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — Metalloenzyme, LuxS/M16 peptidase-like

结构域编号 domain_id	3cx5M02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	830 — Cytochrome Bc1 Complex; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — Metalloenzyme, LuxS/M16 peptidase-like

结构域编号 domain_id	3cx5N00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	20 — Up-down Bundle
拓扑 Topology topology	810 — Cytochrome Bc1 Complex; Chain C
同源超家族 H-superfamily homologous superfamily	10 — Cytochrome Bc1 Complex; Chain C

结构域编号 domain_id	3cx5O01
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	760 — Cytochrome Bc1 Complex; Chain D, domain 2
同源超家族 H-superfamily homologous superfamily	10 — Cytochrome c-like domain

结构域编号 domain_id	3cx5O02
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	20 — Up-down Bundle
拓扑 Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
同源超家族 H-superfamily homologous superfamily	100 — Cytochrome c1, transmembrane anchor, C-terminal

结构域编号 domain_id	3cx5P01
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	20 — Up-down Bundle
拓扑 Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
同源超家族 H-superfamily homologous superfamily	270 — Ubiquinol cytochrome reductase, transmembrane domain

结构域编号 domain_id	3cx5P02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	102 — 3-layer Sandwich
拓扑 Topology topology	10 — Rieske Iron-sulfur Protein
同源超家族 H-superfamily homologous superfamily	10 — Rieske [2Fe-2S] iron-sulphur domain

结构域编号 domain_id	3cx5Q00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	287 — Helix Hairpins
同源超家族 H-superfamily homologous superfamily	20 — Ubiquinol-cytochrome C reductase hinge domain

结构域编号 domain_id	3cx5R00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	1090 — Cytochrome Bc1 Complex; Chain F
同源超家族 H-superfamily homologous superfamily	10 — Cytochrome b-c1 complex subunit 7

结构域编号 domain_id	3cx5S00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	20 — Up-down Bundle
拓扑 Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
同源超家族 H-superfamily homologous superfamily	210 — Cytochrome b-c1 complex subunit 8

结构域编号 domain_id	3cx5T00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	20 — Up-down Bundle
拓扑 Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
同源超家族 H-superfamily homologous superfamily	260 — Cytochrome b-c1 complex subunit 9

结构域编号 domain_id	3cx5U00
类 Class class	2 — Mainly Beta
架构 Architecture architecture	60 — Sandwich
拓扑 Topology topology	40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily	10 — Immunoglobulins

结构域编号 domain_id	3cx5V00
类 Class class	2 — Mainly Beta
架构 Architecture architecture	60 — Sandwich
拓扑 Topology topology	40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily	10 — Immunoglobulins

结构域编号 domain_id	3cx5W00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	760 — Cytochrome Bc1 Complex; Chain D, domain 2
同源超家族 H-superfamily homologous superfamily	10 — Cytochrome c-like domain

▶

晶胞边长 a length_a	145.120 Å
晶胞边长 b length_b	165.090 Å
晶胞边长 c length_c	194.370 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	104.09 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	4

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	1.900 Å
最低分辨率 resolution_low	18.990 Å
R 因子 r_factor	0.2450
R_work r_work	0.2450
R_free r_free	0.2630

Structure of complex III with bound cytochrome c in reduced state and definition of a minimal core interface for electron transfer.

1. 蛋白身份与相关结构 Protein Identity & Related Structures

Cytochrome b-c1 complex subunit 1, mitochondrial

当前结构中的状态

数据库中的同蛋白其他状态

单体

同源二聚体

同源四聚体

其他同源多聚体

异源或核酸复合物

Cytochrome b-c1 complex subunit 2, mitochondrial

当前结构中的状态

数据库中的同蛋白其他状态

单体

同源二聚体

同源四聚体

其他同源多聚体

异源或核酸复合物

CYTOCHROME B

当前结构中的状态

数据库中的同蛋白其他状态

单体

同源二聚体

同源四聚体

其他同源多聚体

异源或核酸复合物

Cytochrome c1, heme protein, mitochondrial

当前结构中的状态

数据库中的同蛋白其他状态

单体

同源二聚体

同源四聚体

其他同源多聚体

异源或核酸复合物

Cytochrome b-c1 complex subunit Rieske, mitochondrial

当前结构中的状态

数据库中的同蛋白其他状态

单体

同源二聚体

同源四聚体

其他同源多聚体

异源或核酸复合物

Cytochrome b-c1 complex subunit 6

当前结构中的状态

数据库中的同蛋白其他状态

单体

同源二聚体

同源四聚体

其他同源多聚体

异源或核酸复合物

Cytochrome b-c1 complex subunit 7

当前结构中的状态

数据库中的同蛋白其他状态

单体

同源二聚体

同源四聚体

其他同源多聚体

异源或核酸复合物

Cytochrome b-c1 complex subunit 8

当前结构中的状态

数据库中的同蛋白其他状态

单体

同源二聚体

同源四聚体

其他同源多聚体

异源或核酸复合物

Cytochrome b-c1 complex subunit 9

当前结构中的状态

数据库中的同蛋白其他状态

单体

同源二聚体

同源四聚体

其他同源多聚体

异源或核酸复合物

Cytochrome c iso-1

当前结构中的状态

数据库中的同蛋白其他状态

单体

同源二聚体

同源四聚体