3wo3

Crystal structure of IL-18 in complex with IL-18 receptor alpha

Method: X-RAY DIFFRACTION

▼

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

Interleukin-18

Homo sapiens

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 2 其他聚合物 5	Interleukin-18 receptor 1 × 1 （Q13478） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 SULFATE ION × 7 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 water × 2	与蛋白数一致
2	其他组合	异源复合物	蛋白 2 其他聚合物 5	Interleukin-18 receptor 1 × 1 （Q13478） beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 SULFATE ION × 12 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 water × 2	与蛋白数一致
3	其他组合	异源复合物	蛋白 2 其他聚合物 4	Interleukin-18 receptor 1 × 1 （Q13478） ;alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ;alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 SULFATE ION × 8 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 water × 2	与蛋白数一致
4	其他组合	异源复合物	蛋白 2 其他聚合物 4	Interleukin-18 receptor 1 × 1 （Q13478） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 SULFATE ION × 7 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 water × 2	与蛋白数一致
5	其他组合	异源复合物	蛋白 2 其他聚合物 4	Interleukin-18 receptor 1 × 1 （Q13478） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 SULFATE ION × 2 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 water × 2	与蛋白数一致
6	其他组合	异源复合物	蛋白 2 其他聚合物 4	Interleukin-18 receptor 1 × 1 （Q13478） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ;beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 SULFATE ION × 2 water × 2	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	IL18_HUMAN
Isoform	—
PDB实体	1
链与序列区间	作者链 A； PDB构建体 1–157； UniProt 37–193 作者链 C； PDB构建体 1–157； UniProt 37–193 作者链 E； PDB构建体 1–157； UniProt 37–193 作者链 G； PDB构建体 1–157； UniProt 37–193 作者链 I； PDB构建体 1–157； UniProt 37–193 作者链 K； PDB构建体 1–157； UniProt 37–193

Interleukin-18 receptor 1

Homo sapiens

UniProt Q13478

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 2 其他聚合物 5	Interleukin-18 × 1 （Q14116） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 SULFATE ION × 7 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 water × 2	与蛋白数一致
2	其他组合	异源复合物	蛋白 2 其他聚合物 5	Interleukin-18 × 1 （Q14116） beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 SULFATE ION × 12 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 water × 2	与蛋白数一致
3	其他组合	异源复合物	蛋白 2 其他聚合物 4	Interleukin-18 × 1 （Q14116） ;alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ;alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 SULFATE ION × 8 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 water × 2	与蛋白数一致
4	其他组合	异源复合物	蛋白 2 其他聚合物 4	Interleukin-18 × 1 （Q14116） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 SULFATE ION × 7 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 water × 2	与蛋白数一致
5	其他组合	异源复合物	蛋白 2 其他聚合物 4	Interleukin-18 × 1 （Q14116） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 SULFATE ION × 2 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 water × 2	与蛋白数一致
6	其他组合	异源复合物	蛋白 2 其他聚合物 4	Interleukin-18 × 1 （Q14116） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ;beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 SULFATE ION × 2 water × 2	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	IL18R_HUMAN
Isoform	—
PDB实体	2
链与序列区间	作者链 B； PDB构建体 3–312； UniProt 20–329 作者链 D； PDB构建体 3–312； UniProt 20–329 作者链 F； PDB构建体 3–312； UniProt 20–329 作者链 H； PDB构建体 3–312； UniProt 20–329 作者链 J； PDB构建体 3–312； UniProt 20–329 作者链 L； PDB构建体 3–312； UniProt 20–329

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。

▼

2. 结构基本信息 2. Structure Basics

条目编号 entry_id	3wo3
沉积日期 deposition_date	2013-12-19
结构标题 title	Crystal structure of IL-18 in complex with IL-18 receptor alpha
关键词 keywords	;binary complex, beta trefoil fold (ligand), three immunoglobulin-like domains (receptor), immunity, inflammation, autoimmunity, allergy, interleukin-18 receptor beta, glycosylation, serum, membrane, IMMUNE SYSTEM ;; IMMUNE SYSTEM
实验方法 method	X-RAY DIFFRACTION

▼

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。

3wo3__assembly_3__model_1

Assembly 3 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

下载该曲线 .dat

3wo3__assembly_3__model_1 | I(q)

100 个绘图点；横轴和纵轴均采用对数尺度。

3wo3__assembly_3__model_1 | P(r) · Pending

P(r) 将按相同 assembly/model 分别计算和展示。

Rg（Guinier）	27.67 Å
Rg（电子密度）	27.26 Å
总 Rg	27.90 Å
原子数	3808
残基数	445
排除体积	67241 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	`3wo3__assembly_1__model_1`	dimeric （2）	成功	4.1.3-1-20251215 (887e7ef)	查看下载
2	1	`3wo3__assembly_2__model_1`	dimeric （2）	成功	4.1.3-1-20251215 (887e7ef)	查看下载
3	1	`3wo3__assembly_3__model_1`	dimeric （2）	成功	4.1.3-1-20251215 (887e7ef)	查看下载
4	1	`3wo3__assembly_4__model_1`	dimeric （2）	成功	4.1.3-1-20251215 (887e7ef)	查看下载
5	1	`3wo3__assembly_5__model_1`	dimeric （2）	成功	4.1.3-1-20251215 (887e7ef)	查看下载
6	1	`3wo3__assembly_6__model_1`	dimeric （2）	成功	4.1.3-1-20251215 (887e7ef)	查看下载

▶

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

▶

5. 实体与聚合物信息 Entities & Polymers (14)

实体 1 Entity 1 polymer

描述 description	Interleukin-18
分子量 formula_weight	18239.7 kDa
来源方法 src_method	man
拷贝数 entity_count	6

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	A,C,E,G,I,K
原子数 atom_count	22047

YFGKLESKLSVIRNLNDQVLFIDQGNRPLFEDMTDSDCRDNAPRTIFIISMYKDSQPRGMAVTISVKCEKISTLSCENKIISFKEMNPPDNIKDTKSDIIFFQRSVPGHDNKMQFESSSYEGYFLACEKERDLFKLILKKEDELGDRSIMFTVQNED

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI 分类编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Escherichia coli

实体 2 Entity 2 polymer

描述 description	Interleukin-18 receptor 1
分子量 formula_weight	35899.7 kDa
来源方法 src_method	man
拷贝数 entity_count	6

聚合物 Polymer

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

GPESCTSRPHITVVEGEPFYLKHCSCSLAHEIETTTKSWYKSSGSQEHVELNPRSSSRIALHDCVLEFWPVELNDTGSYFFQMKNYTQKWKLNVIRRNKHSCFTERQVTSKIVEVKKFFQITCENSYYQTLVNSTSLYKNCKKLLLENNKNPTIKKNAEFEDQGYYSCVHFLHHNGKLFNITKTFNITIVEDRSNIVPVLLGPKLNHVAVELGKNVRLNCSALLNEEDVIYWMFGEENGSDPNIHEEKEMRIMTPEGKWHASKVLRIENIGESNLNVLYNCTVASTGGTDTKSFILVRKADMADIPGHVFTR

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI 分类编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Spodoptera frugiperda

实体 3 Entity 3 branched

描述 description	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose
分子量 formula_weight	570.5 kDa
来源方法 src_method	man
拷贝数 entity_count	3

实体 4 Entity 4 branched

描述 description	;alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
分子量 formula_weight	1073.0 kDa
来源方法 src_method	man
拷贝数 entity_count	2

实体 5 Entity 5 branched

描述 description	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
分子量 formula_weight	424.4 kDa
来源方法 src_method	man
拷贝数 entity_count	5

实体 6 Entity 6 branched

描述 description	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
分子量 formula_weight	586.5 kDa
来源方法 src_method	man
拷贝数 entity_count	8

实体 7 Entity 7 branched

描述 description	alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose
分子量 formula_weight	367.3 kDa
来源方法 src_method	man
拷贝数 entity_count	1

实体 8 Entity 8 branched

描述 description	;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
分子量 formula_weight	910.8 kDa
来源方法 src_method	man
拷贝数 entity_count	2

实体 9 Entity 9 branched

描述 description	;beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ;
分子量 formula_weight	732.7 kDa
来源方法 src_method	man
拷贝数 entity_count	3

实体 10 Entity 10 branched

描述 description	;alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
分子量 formula_weight	748.7 kDa
来源方法 src_method	man
拷贝数 entity_count	1

实体 11 Entity 11 branched

描述 description	;alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ;
分子量 formula_weight	894.8 kDa
来源方法 src_method	man
拷贝数 entity_count	1

实体 12 Entity 12 non-polymer

描述 description	SULFATE ION
分子量 formula_weight	96.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	38

实体 13 Entity 13 non-polymer

描述 description	2-acetamido-2-deoxy-beta-D-glucopyranose
分子量 formula_weight	221.2 kDa
来源方法 src_method	man
拷贝数 entity_count	8

实体 14 Entity 14 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	99

▼

6. 折叠分类 (SCOP + CATH) 24 domains

SCOP 2.08 (6 domains)

结构域编号 domain_id	d3wo3a_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.42 — beta-Trefoil
超家族 Superfamily superfamily	b.42.1 — Cytokine
家族 Family family	b.42.1.2 — Interleukin-1 (IL-1)

结构域编号 domain_id	d3wo3c_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.42 — beta-Trefoil
超家族 Superfamily superfamily	b.42.1 — Cytokine
家族 Family family	b.42.1.2 — Interleukin-1 (IL-1)

结构域编号 domain_id	d3wo3e_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.42 — beta-Trefoil
超家族 Superfamily superfamily	b.42.1 — Cytokine
家族 Family family	b.42.1.2 — Interleukin-1 (IL-1)

结构域编号 domain_id	d3wo3g_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.42 — beta-Trefoil
超家族 Superfamily superfamily	b.42.1 — Cytokine
家族 Family family	b.42.1.2 — Interleukin-1 (IL-1)

结构域编号 domain_id	d3wo3i_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.42 — beta-Trefoil
超家族 Superfamily superfamily	b.42.1 — Cytokine
家族 Family family	b.42.1.2 — Interleukin-1 (IL-1)

结构域编号 domain_id	d3wo3k_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.42 — beta-Trefoil
超家族 Superfamily superfamily	b.42.1 — Cytokine
家族 Family family	b.42.1.2 — Interleukin-1 (IL-1)

CATH v4.4 (18 domains)

结构域编号 domain_id	3wo3A00
类 Class class	2 — Mainly Beta
架构 Architecture architecture	80 — Trefoil
拓扑 Topology topology	10 — Trefoil (Acidic Fibroblast Growth Factor, subunit A)
同源超家族 H-superfamily homologous superfamily	50 —

结构域编号 domain_id	3wo3B02
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	3wo3B03
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	3wo3C00
类 Class class	2 — Mainly Beta
架构 Architecture architecture	80 — Trefoil
拓扑 Topology topology	10 — Trefoil (Acidic Fibroblast Growth Factor, subunit A)
同源超家族 H-superfamily homologous superfamily	50 —

结构域编号 domain_id	3wo3D02
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	3wo3D03
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	3wo3E00
类 Class class	2 — Mainly Beta
架构 Architecture architecture	80 — Trefoil
拓扑 Topology topology	10 — Trefoil (Acidic Fibroblast Growth Factor, subunit A)
同源超家族 H-superfamily homologous superfamily	50 —

结构域编号 domain_id	3wo3F02
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	3wo3F03
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	3wo3G00
类 Class class	2 — Mainly Beta
架构 Architecture architecture	80 — Trefoil
拓扑 Topology topology	10 — Trefoil (Acidic Fibroblast Growth Factor, subunit A)
同源超家族 H-superfamily homologous superfamily	50 —

结构域编号 domain_id	3wo3H02
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	3wo3H03
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	3wo3I00
类 Class class	2 — Mainly Beta
架构 Architecture architecture	80 — Trefoil
拓扑 Topology topology	10 — Trefoil (Acidic Fibroblast Growth Factor, subunit A)
同源超家族 H-superfamily homologous superfamily	50 —

结构域编号 domain_id	3wo3J02
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	3wo3J03
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	3wo3K00
类 Class class	2 — Mainly Beta
架构 Architecture architecture	80 — Trefoil
拓扑 Topology topology	10 — Trefoil (Acidic Fibroblast Growth Factor, subunit A)
同源超家族 H-superfamily homologous superfamily	50 —

结构域编号 domain_id	3wo3L02
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	3wo3L03
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

▶

晶胞边长 a length_a	135.490 Å
晶胞边长 b length_b	174.814 Å
晶胞边长 c length_c	183.398 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	24

空间群 space_group	P 21 21 2
空间群编号 int_tables_number	18
晶系 crystal_system	—

分辨率 resolution	3.100 Å
最低分辨率 resolution_low	31.250 Å
R 因子 r_factor	0.1924
R_work r_work	0.1908
R_free r_free	0.2222

Crystal structure of IL-18 in complex with IL-18 receptor alpha

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

Interleukin-18

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

Interleukin-18 receptor 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

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

3wo3__assembly_3__model_1

3wo3__assembly_3__model_1 | I(q)

3wo3__assembly_3__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 (14)

实体 1 Entity 1 polymer

聚合物 Polymer

来源 Source

实体 2 Entity 2 polymer

聚合物 Polymer

来源 Source

实体 3 Entity 3 branched

实体 4 Entity 4 branched

实体 5 Entity 5 branched

实体 6 Entity 6 branched

实体 7 Entity 7 branched

实体 8 Entity 8 branched

实体 9 Entity 9 branched

实体 10 Entity 10 branched

实体 11 Entity 11 branched

实体 12 Entity 12 non-polymer

实体 13 Entity 13 non-polymer

实体 14 Entity 14 water

6. 折叠分类 (SCOP + CATH) 24 domains

SCOP 2.08 (6 domains)

CATH v4.4 (18 domains)

7. 引用文献 (1)