2fkw

Structure of LH2 from Rps. acidophila crystallized in lipidic mesophases

Method: X-RAY DIFFRACTION

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

Light-harvesting protein B-800/850, alpha chain

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	蛋白异源复合物	异源复合物	蛋白 18	Light-harvesting protein B-800/850, beta chain × 9 （P26790） BACTERIOCHLOROPHYLL A × 27 LAURYL DIMETHYLAMINE-N-OXIDE × 27 Rhodopin b-D-glucoside × 9 water × 18	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	LHA4_RHOAC
Isoform	—
PDB实体	1
链与序列区间	作者链 A； PDB构建体 1–53； UniProt 1–53 作者链 C； PDB构建体 1–53； UniProt 1–53 作者链 E； PDB构建体 1–53； UniProt 1–53 作者链 G； PDB构建体 1–53； UniProt 1–53 作者链 I； PDB构建体 1–53； UniProt 1–53 作者链 K； PDB构建体 1–53； UniProt 1–53 作者链 M； PDB构建体 1–53； UniProt 1–53 作者链 O； PDB构建体 1–53； UniProt 1–53 作者链 R； PDB构建体 1–53； UniProt 1–53

Light-harvesting protein B-800/850, beta chain

物种未注明

UniProt P26790

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	蛋白异源复合物	异源复合物	蛋白 18	Light-harvesting protein B-800/850, alpha chain × 9 （P26789） BACTERIOCHLOROPHYLL A × 27 LAURYL DIMETHYLAMINE-N-OXIDE × 27 Rhodopin b-D-glucoside × 9 water × 18	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	LHB5_RHOAC
Isoform	—
PDB实体	2
链与序列区间	作者链 B； PDB构建体 1–41； UniProt 1–41 作者链 D； PDB构建体 1–41； UniProt 1–41 作者链 F； PDB构建体 1–41； UniProt 1–41 作者链 H； PDB构建体 1–41； UniProt 1–41 作者链 J； PDB构建体 1–41； UniProt 1–41 作者链 L； PDB构建体 1–41； UniProt 1–41 作者链 N； PDB构建体 1–41； UniProt 1–41 作者链 P； PDB构建体 1–41； UniProt 1–41 作者链 S； PDB构建体 1–41； UniProt 1–41

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	2fkw
沉积日期 deposition_date	2006-01-05
结构标题 title	Structure of LH2 from Rps. acidophila crystallized in lipidic mesophases
关键词 keywords	;Light Harvesting Complex B800-B850, Lipidic Mesophase, crystallization, cubic phase, sponge phase, LDAO, rhodopin glucoside carotenoid, MEMBRANE PROTEIN, PHOTOSYNTHESIS ;; MEMBRANE PROTEIN, PHOTOSYNTHESIS
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。

2fkw__assembly_1__model_1

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

下载该曲线 .dat

2fkw__assembly_1__model_1 | I(q)

100 个绘图点；横轴和纵轴均采用对数尺度。

2fkw__assembly_1__model_1 | P(r) · Pending

P(r) 将按相同 assembly/model 分别计算和展示。

Rg（Guinier）	33.31 Å
Rg（电子密度）	30.71 Å
总 Rg	31.90 Å
原子数	9216
残基数	837
排除体积	177170 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	`2fkw__assembly_1__model_1`	octadecameric （18）	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 (6)

实体 1 Entity 1 polymer

描述 description	Light-harvesting protein B-800/850, alpha chain
分子量 formula_weight	5702.7 kDa
来源方法 src_method	nat
拷贝数 entity_count	9

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	A,C,E,G,I,K,M,O,R
原子数 atom_count	9829

MNQGKIWTVVNPAIGIPALLGSVTVIAILVHLAILSHTTWFPAYWQGGVKKAA

实体 2 Entity 2 polymer

描述 description	Light-harvesting protein B-800/850, beta chain
分子量 formula_weight	4559.2 kDa
来源方法 src_method	nat
拷贝数 entity_count	9

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	B,D,F,H,J,L,N,P,S

ATLTAEQSEELHKYVIDGTRVFLGLALVAHFLAFSATPWLH

实体 3 Entity 3 non-polymer

描述 description	BACTERIOCHLOROPHYLL A
分子量 formula_weight	911.5 kDa
来源方法 src_method	syn
拷贝数 entity_count	27

实体 4 Entity 4 non-polymer

描述 description	LAURYL DIMETHYLAMINE-N-OXIDE
分子量 formula_weight	229.4 kDa
来源方法 src_method	syn
拷贝数 entity_count	27

实体 5 Entity 5 non-polymer

描述 description	Rhodopin b-D-glucoside
分子量 formula_weight	715.0 kDa
来源方法 src_method	syn
拷贝数 entity_count	9

实体 6 Entity 6 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	613

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6. 折叠分类 (SCOP + CATH) 36 domains

SCOP 2.08 (18 domains)

结构域编号 domain_id	d2fkwa_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.3 — Light-harvesting complex subunits
超家族 Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
家族 Family family	f.3.1.1 — Light-harvesting complex subunits

结构域编号 domain_id	d2fkwb_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.3 — Light-harvesting complex subunits
超家族 Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
家族 Family family	f.3.1.1 — Light-harvesting complex subunits

结构域编号 domain_id	d2fkwc_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.3 — Light-harvesting complex subunits
超家族 Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
家族 Family family	f.3.1.1 — Light-harvesting complex subunits

结构域编号 domain_id	d2fkwd_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.3 — Light-harvesting complex subunits
超家族 Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
家族 Family family	f.3.1.1 — Light-harvesting complex subunits

结构域编号 domain_id	d2fkwe_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.3 — Light-harvesting complex subunits
超家族 Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
家族 Family family	f.3.1.1 — Light-harvesting complex subunits

结构域编号 domain_id	d2fkwf_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.3 — Light-harvesting complex subunits
超家族 Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
家族 Family family	f.3.1.1 — Light-harvesting complex subunits

结构域编号 domain_id	d2fkwg_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.3 — Light-harvesting complex subunits
超家族 Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
家族 Family family	f.3.1.1 — Light-harvesting complex subunits

结构域编号 domain_id	d2fkwh_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.3 — Light-harvesting complex subunits
超家族 Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
家族 Family family	f.3.1.1 — Light-harvesting complex subunits

结构域编号 domain_id	d2fkwi_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.3 — Light-harvesting complex subunits
超家族 Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
家族 Family family	f.3.1.1 — Light-harvesting complex subunits

结构域编号 domain_id	d2fkwj_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.3 — Light-harvesting complex subunits
超家族 Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
家族 Family family	f.3.1.1 — Light-harvesting complex subunits

结构域编号 domain_id	d2fkwk_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.3 — Light-harvesting complex subunits
超家族 Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
家族 Family family	f.3.1.1 — Light-harvesting complex subunits

结构域编号 domain_id	d2fkwl_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.3 — Light-harvesting complex subunits
超家族 Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
家族 Family family	f.3.1.1 — Light-harvesting complex subunits

结构域编号 domain_id	d2fkwm_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.3 — Light-harvesting complex subunits
超家族 Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
家族 Family family	f.3.1.1 — Light-harvesting complex subunits

结构域编号 domain_id	d2fkwn_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.3 — Light-harvesting complex subunits
超家族 Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
家族 Family family	f.3.1.1 — Light-harvesting complex subunits

结构域编号 domain_id	d2fkwo_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.3 — Light-harvesting complex subunits
超家族 Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
家族 Family family	f.3.1.1 — Light-harvesting complex subunits

结构域编号 domain_id	d2fkwp_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.3 — Light-harvesting complex subunits
超家族 Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
家族 Family family	f.3.1.1 — Light-harvesting complex subunits

结构域编号 domain_id	d2fkwr_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.3 — Light-harvesting complex subunits
超家族 Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
家族 Family family	f.3.1.1 — Light-harvesting complex subunits

结构域编号 domain_id	d2fkws_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.3 — Light-harvesting complex subunits
超家族 Superfamily superfamily	f.3.1 — Light-harvesting complex subunits
家族 Family family	f.3.1.1 — Light-harvesting complex subunits

CATH v4.4 (18 domains)

结构域编号 domain_id	2fkwA00
类 Class class	4 — Few Secondary Structures
架构 Architecture architecture	10 — Irregular
拓扑 Topology topology	220 — Light-harvesting Protein
同源超家族 H-superfamily homologous superfamily	20 — Light-harvesting complex

结构域编号 domain_id	2fkwB00
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	250 —

结构域编号 domain_id	2fkwC00
类 Class class	4 — Few Secondary Structures
架构 Architecture architecture	10 — Irregular
拓扑 Topology topology	220 — Light-harvesting Protein
同源超家族 H-superfamily homologous superfamily	20 — Light-harvesting complex

结构域编号 domain_id	2fkwD00
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	250 —

结构域编号 domain_id	2fkwE00
类 Class class	4 — Few Secondary Structures
架构 Architecture architecture	10 — Irregular
拓扑 Topology topology	220 — Light-harvesting Protein
同源超家族 H-superfamily homologous superfamily	20 — Light-harvesting complex

结构域编号 domain_id	2fkwF00
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	250 —

结构域编号 domain_id	2fkwG00
类 Class class	4 — Few Secondary Structures
架构 Architecture architecture	10 — Irregular
拓扑 Topology topology	220 — Light-harvesting Protein
同源超家族 H-superfamily homologous superfamily	20 — Light-harvesting complex

结构域编号 domain_id	2fkwH00
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	250 —

结构域编号 domain_id	2fkwI00
类 Class class	4 — Few Secondary Structures
架构 Architecture architecture	10 — Irregular
拓扑 Topology topology	220 — Light-harvesting Protein
同源超家族 H-superfamily homologous superfamily	20 — Light-harvesting complex

结构域编号 domain_id	2fkwJ00
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	250 —

结构域编号 domain_id	2fkwK00
类 Class class	4 — Few Secondary Structures
架构 Architecture architecture	10 — Irregular
拓扑 Topology topology	220 — Light-harvesting Protein
同源超家族 H-superfamily homologous superfamily	20 — Light-harvesting complex

结构域编号 domain_id	2fkwL00
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	250 —

结构域编号 domain_id	2fkwM00
类 Class class	4 — Few Secondary Structures
架构 Architecture architecture	10 — Irregular
拓扑 Topology topology	220 — Light-harvesting Protein
同源超家族 H-superfamily homologous superfamily	20 — Light-harvesting complex

结构域编号 domain_id	2fkwN00
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	250 —

结构域编号 domain_id	2fkwO00
类 Class class	4 — Few Secondary Structures
架构 Architecture architecture	10 — Irregular
拓扑 Topology topology	220 — Light-harvesting Protein
同源超家族 H-superfamily homologous superfamily	20 — Light-harvesting complex

结构域编号 domain_id	2fkwP00
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	250 —

结构域编号 domain_id	2fkwR00
类 Class class	4 — Few Secondary Structures
架构 Architecture architecture	10 — Irregular
拓扑 Topology topology	220 — Light-harvesting Protein
同源超家族 H-superfamily homologous superfamily	20 — Light-harvesting complex

结构域编号 domain_id	2fkwS00
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	250 —

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晶胞边长 a length_a	81.443 Å
晶胞边长 b length_b	126.384 Å
晶胞边长 c length_c	129.705 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	90.00 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	36

空间群 space_group	P 21 21 21
空间群编号 int_tables_number	19
晶系 crystal_system	—

分辨率 resolution	2.450 Å
最低分辨率 resolution_low	10.000 Å
R 因子 r_factor	0.1865
R_work r_work	0.1828
R_free r_free	0.2537

Structure of LH2 from Rps. acidophila crystallized in lipidic mesophases

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

Light-harvesting protein B-800/850, alpha chain

当前结构中的状态

数据库中的同蛋白其他状态

Light-harvesting protein B-800/850, beta chain

当前结构中的状态

数据库中的同蛋白其他状态

2. 结构基本信息 2. Structure Basics

3. Official assembly/model 理论 SAXS Official SAXS Profiles

2fkw__assembly_1__model_1

2fkw__assembly_1__model_1 | I(q)

2fkw__assembly_1__model_1 | P(r) · Pending

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

晶胞参数 Unit Cell

对称性 Symmetry

精修参数 Refinement

衍射实验 Diffraction

5. 实体与聚合物信息 Entities & Polymers (6)

实体 1 Entity 1 polymer

聚合物 Polymer

实体 2 Entity 2 polymer

聚合物 Polymer

实体 3 Entity 3 non-polymer

实体 4 Entity 4 non-polymer

实体 5 Entity 5 non-polymer

实体 6 Entity 6 water

6. 折叠分类 (SCOP + CATH) 36 domains

SCOP 2.08 (18 domains)

CATH v4.4 (18 domains)

7. 引用文献 (1)

Structure of LH2 from Rps. acidophila crystallized in lipidic mesophases

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

Light-harvesting protein B-800/850, alpha chain

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

Light-harvesting protein B-800/850, beta chain

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

2. 结构基本信息 2. Structure Basics

3. Official assembly/model 理论 SAXS Official SAXS Profiles

2fkw__assembly_1__model_1

2fkw__assembly_1__model_1 | I(q)

2fkw__assembly_1__model_1 | P(r) · Pending

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

晶胞参数 Unit Cell

对称性 Symmetry

精修参数 Refinement

衍射实验 Diffraction

5. 实体与聚合物信息 Entities & Polymers (6)

实体 1 Entity 1 polymer

聚合物 Polymer

实体 2 Entity 2 polymer

聚合物 Polymer

实体 3 Entity 3 non-polymer

实体 4 Entity 4 non-polymer

实体 5 Entity 5 non-polymer

实体 6 Entity 6 water

6. 折叠分类 (SCOP + CATH) 36 domains

SCOP 2.08 (18 domains)

CATH v4.4 (18 domains)

7. 引用文献 (1)