1gyt

E. coli Aminopeptidase A (PepA)

Method: X-RAY DIFFRACTION

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

CYTOSOL AMINOPEPTIDASE

ESCHERICHIA COLI K-12

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	蛋白同源多聚体	同源多聚体	蛋白 6	ZINC ION × 12 CARBONATE ION × 6 CHLORIDE ION × 2 water × 6	与蛋白数一致
2	蛋白同源多聚体	同源多聚体	蛋白 6	ZINC ION × 12 CARBONATE ION × 6 CHLORIDE ION × 2 water × 6	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	AMPA_ECOLI
Isoform	—
PDB实体	1
链与序列区间	作者链 A； PDB构建体 1–503； UniProt 1–503 作者链 B； PDB构建体 1–503； UniProt 1–503 作者链 C； PDB构建体 1–503； UniProt 1–503 作者链 D； PDB构建体 1–503； UniProt 1–503 作者链 E； PDB构建体 1–503； UniProt 1–503 作者链 F； PDB构建体 1–503； UniProt 1–503 作者链 G； PDB构建体 1–503； UniProt 1–503 作者链 H； PDB构建体 1–503； UniProt 1–503 作者链 I； PDB构建体 1–503； UniProt 1–503 作者链 J； PDB构建体 1–503； UniProt 1–503 作者链 K； PDB构建体 1–503； UniProt 1–503 作者链 L； PDB构建体 1–503； UniProt 1–503

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	1gyt
沉积日期 deposition_date	2002-04-29
结构标题 title	E. coli Aminopeptidase A (PepA)
关键词 keywords	HYDROLASE, PEPTIDASE, DNA RECOMBINATION, AMINOPEPTIDASE; HYDROLASE
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。

1gyt__assembly_1__model_1

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

下载该曲线 .dat

1gyt__assembly_1__model_1 | I(q)

100 个绘图点；横轴和纵轴均采用对数尺度。

1gyt__assembly_1__model_1 | P(r) · Pending

P(r) 将按相同 assembly/model 分别计算和展示。

Rg（Guinier）	44.63 Å
Rg（电子密度）	44.32 Å
总 Rg	44.50 Å
原子数	23114
残基数	3018
排除体积	410520 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	`1gyt__assembly_1__model_1`	hexameric （6）	成功	4.1.3-1-20251215 (887e7ef)	查看下载
2	1	`1gyt__assembly_2__model_1`	hexameric （6）	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 (5)

实体 1 Entity 1 polymer

描述 description	CYTOSOL AMINOPEPTIDASE
分子量 formula_weight	54945.7 kDa
EC 编号 ec_number	3.4.11.1
来源方法 src_method	man
拷贝数 entity_count	12

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	A,B,C,D,E,F,G,H,I,J,K,L
原子数 atom_count	49952

MEFSVKSGSPEKQRSACIVVGVFEPRRLSPIAEQLDKISDGYISALLRRGELEGKPGQTLLLHHVPNVLSERILLIGCGKERELDERQYKQVIQKTINTLNDTGSMEAVCFLTELHVKGRNNYWKVRQAVETAKETLYSFDQLKTNKSEPRRPLRKMVFNVPTRRELTSGERAIQHGLAIAAGIKAAKDLGNMPPNICNAAYLASQARQLADSYSKNVITRVIGEQQMKELGMHSYLAVGQGSQNESLMSVIEYKGNASEDARPIVLVGKGLTFDSGGISIKPSEGMDEMKYDMCGAAAVYGVMRMVAELQLPINVIGVLAGCENMPGGRAYRPGDVLTTMSGQTVEVLNTDAEGRLVLCDVLTYVERFEPEAVIDVATLTGACVIALGHHITGLMANHNPLAHELIAASEQSGDRAWRLPLGDEYQEQLESNFADMANIGGRPGGAITAGCFLSRFTRKYNWAHLDIAGTAWRSGKAKGATGRPVALLAQFLLNRAGFNGEE

来源 Source

来源生物 organism	ESCHERICHIA COLI K-12
NCBI 分类编号 ncbi_taxonomy_id	83333
宿主生物 host_organism	ESCHERICHIA COLI K-12

实体 2 Entity 2 non-polymer

描述 description	ZINC ION
分子量 formula_weight	65.4 kDa
来源方法 src_method	syn
拷贝数 entity_count	24

实体 3 Entity 3 non-polymer

描述 description	CARBONATE ION
分子量 formula_weight	60.0 kDa
来源方法 src_method	syn
拷贝数 entity_count	12

实体 4 Entity 4 non-polymer

描述 description	CHLORIDE ION
分子量 formula_weight	35.5 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

实体 5 Entity 5 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	3724

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6. 折叠分类 (SCOP + CATH) 48 domains

SCOP 2.08 (24 domains)

结构域编号 domain_id	d1gyta1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.50 — Macro domain-like
超家族 Superfamily superfamily	c.50.1 — Macro domain-like
家族 Family family	c.50.1.1 — Leucine aminopeptidase (Aminopeptidase A), N-terminal domain

结构域编号 domain_id	d1gyta2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.56 — Phosphorylase/hydrolase-like
超家族 Superfamily superfamily	c.56.5 — Zn-dependent exopeptidases
家族 Family family	c.56.5.3 — Leucine aminopeptidase, C-terminal domain

结构域编号 domain_id	d1gytb1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.50 — Macro domain-like
超家族 Superfamily superfamily	c.50.1 — Macro domain-like
家族 Family family	c.50.1.1 — Leucine aminopeptidase (Aminopeptidase A), N-terminal domain

结构域编号 domain_id	d1gytb2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.56 — Phosphorylase/hydrolase-like
超家族 Superfamily superfamily	c.56.5 — Zn-dependent exopeptidases
家族 Family family	c.56.5.3 — Leucine aminopeptidase, C-terminal domain

结构域编号 domain_id	d1gytc1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.50 — Macro domain-like
超家族 Superfamily superfamily	c.50.1 — Macro domain-like
家族 Family family	c.50.1.1 — Leucine aminopeptidase (Aminopeptidase A), N-terminal domain

结构域编号 domain_id	d1gytc2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.56 — Phosphorylase/hydrolase-like
超家族 Superfamily superfamily	c.56.5 — Zn-dependent exopeptidases
家族 Family family	c.56.5.3 — Leucine aminopeptidase, C-terminal domain

结构域编号 domain_id	d1gytd1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.50 — Macro domain-like
超家族 Superfamily superfamily	c.50.1 — Macro domain-like
家族 Family family	c.50.1.1 — Leucine aminopeptidase (Aminopeptidase A), N-terminal domain

结构域编号 domain_id	d1gytd2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.56 — Phosphorylase/hydrolase-like
超家族 Superfamily superfamily	c.56.5 — Zn-dependent exopeptidases
家族 Family family	c.56.5.3 — Leucine aminopeptidase, C-terminal domain

结构域编号 domain_id	d1gyte1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.50 — Macro domain-like
超家族 Superfamily superfamily	c.50.1 — Macro domain-like
家族 Family family	c.50.1.1 — Leucine aminopeptidase (Aminopeptidase A), N-terminal domain

结构域编号 domain_id	d1gyte2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.56 — Phosphorylase/hydrolase-like
超家族 Superfamily superfamily	c.56.5 — Zn-dependent exopeptidases
家族 Family family	c.56.5.3 — Leucine aminopeptidase, C-terminal domain

结构域编号 domain_id	d1gytf1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.50 — Macro domain-like
超家族 Superfamily superfamily	c.50.1 — Macro domain-like
家族 Family family	c.50.1.1 — Leucine aminopeptidase (Aminopeptidase A), N-terminal domain

结构域编号 domain_id	d1gytf2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.56 — Phosphorylase/hydrolase-like
超家族 Superfamily superfamily	c.56.5 — Zn-dependent exopeptidases
家族 Family family	c.56.5.3 — Leucine aminopeptidase, C-terminal domain

结构域编号 domain_id	d1gytg1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.50 — Macro domain-like
超家族 Superfamily superfamily	c.50.1 — Macro domain-like
家族 Family family	c.50.1.1 — Leucine aminopeptidase (Aminopeptidase A), N-terminal domain

结构域编号 domain_id	d1gytg2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.56 — Phosphorylase/hydrolase-like
超家族 Superfamily superfamily	c.56.5 — Zn-dependent exopeptidases
家族 Family family	c.56.5.3 — Leucine aminopeptidase, C-terminal domain

结构域编号 domain_id	d1gyth1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.50 — Macro domain-like
超家族 Superfamily superfamily	c.50.1 — Macro domain-like
家族 Family family	c.50.1.1 — Leucine aminopeptidase (Aminopeptidase A), N-terminal domain

结构域编号 domain_id	d1gyth2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.56 — Phosphorylase/hydrolase-like
超家族 Superfamily superfamily	c.56.5 — Zn-dependent exopeptidases
家族 Family family	c.56.5.3 — Leucine aminopeptidase, C-terminal domain

结构域编号 domain_id	d1gyti1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.50 — Macro domain-like
超家族 Superfamily superfamily	c.50.1 — Macro domain-like
家族 Family family	c.50.1.1 — Leucine aminopeptidase (Aminopeptidase A), N-terminal domain

结构域编号 domain_id	d1gyti2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.56 — Phosphorylase/hydrolase-like
超家族 Superfamily superfamily	c.56.5 — Zn-dependent exopeptidases
家族 Family family	c.56.5.3 — Leucine aminopeptidase, C-terminal domain

结构域编号 domain_id	d1gytj1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.50 — Macro domain-like
超家族 Superfamily superfamily	c.50.1 — Macro domain-like
家族 Family family	c.50.1.1 — Leucine aminopeptidase (Aminopeptidase A), N-terminal domain

结构域编号 domain_id	d1gytj2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.56 — Phosphorylase/hydrolase-like
超家族 Superfamily superfamily	c.56.5 — Zn-dependent exopeptidases
家族 Family family	c.56.5.3 — Leucine aminopeptidase, C-terminal domain

结构域编号 domain_id	d1gytk1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.50 — Macro domain-like
超家族 Superfamily superfamily	c.50.1 — Macro domain-like
家族 Family family	c.50.1.1 — Leucine aminopeptidase (Aminopeptidase A), N-terminal domain

结构域编号 domain_id	d1gytk2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.56 — Phosphorylase/hydrolase-like
超家族 Superfamily superfamily	c.56.5 — Zn-dependent exopeptidases
家族 Family family	c.56.5.3 — Leucine aminopeptidase, C-terminal domain

结构域编号 domain_id	d1gytl1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.50 — Macro domain-like
超家族 Superfamily superfamily	c.50.1 — Macro domain-like
家族 Family family	c.50.1.1 — Leucine aminopeptidase (Aminopeptidase A), N-terminal domain

结构域编号 domain_id	d1gytl2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.56 — Phosphorylase/hydrolase-like
超家族 Superfamily superfamily	c.56.5 — Zn-dependent exopeptidases
家族 Family family	c.56.5.3 — Leucine aminopeptidase, C-terminal domain

CATH v4.4 (24 domains)

结构域编号 domain_id	1gytA01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	220 — Leucine Aminopeptidase, subunit E; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Leucine Aminopeptidase, subunit E, domain 1

结构域编号 domain_id	1gytA02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	630 — Aminopeptidase
同源超家族 H-superfamily homologous superfamily	10 — Zn peptidases

结构域编号 domain_id	1gytB01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	220 — Leucine Aminopeptidase, subunit E; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Leucine Aminopeptidase, subunit E, domain 1

结构域编号 domain_id	1gytB02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	630 — Aminopeptidase
同源超家族 H-superfamily homologous superfamily	10 — Zn peptidases

结构域编号 domain_id	1gytC01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	220 — Leucine Aminopeptidase, subunit E; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Leucine Aminopeptidase, subunit E, domain 1

结构域编号 domain_id	1gytC02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	630 — Aminopeptidase
同源超家族 H-superfamily homologous superfamily	10 — Zn peptidases

结构域编号 domain_id	1gytD01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	220 — Leucine Aminopeptidase, subunit E; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Leucine Aminopeptidase, subunit E, domain 1

结构域编号 domain_id	1gytD02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	630 — Aminopeptidase
同源超家族 H-superfamily homologous superfamily	10 — Zn peptidases

结构域编号 domain_id	1gytE01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	220 — Leucine Aminopeptidase, subunit E; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Leucine Aminopeptidase, subunit E, domain 1

结构域编号 domain_id	1gytE02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	630 — Aminopeptidase
同源超家族 H-superfamily homologous superfamily	10 — Zn peptidases

结构域编号 domain_id	1gytF01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	220 — Leucine Aminopeptidase, subunit E; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Leucine Aminopeptidase, subunit E, domain 1

结构域编号 domain_id	1gytF02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	630 — Aminopeptidase
同源超家族 H-superfamily homologous superfamily	10 — Zn peptidases

结构域编号 domain_id	1gytG01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	220 — Leucine Aminopeptidase, subunit E; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Leucine Aminopeptidase, subunit E, domain 1

结构域编号 domain_id	1gytG02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	630 — Aminopeptidase
同源超家族 H-superfamily homologous superfamily	10 — Zn peptidases

结构域编号 domain_id	1gytH01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	220 — Leucine Aminopeptidase, subunit E; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Leucine Aminopeptidase, subunit E, domain 1

结构域编号 domain_id	1gytH02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	630 — Aminopeptidase
同源超家族 H-superfamily homologous superfamily	10 — Zn peptidases

结构域编号 domain_id	1gytI01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	220 — Leucine Aminopeptidase, subunit E; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Leucine Aminopeptidase, subunit E, domain 1

结构域编号 domain_id	1gytI02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	630 — Aminopeptidase
同源超家族 H-superfamily homologous superfamily	10 — Zn peptidases

结构域编号 domain_id	1gytJ01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	220 — Leucine Aminopeptidase, subunit E; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Leucine Aminopeptidase, subunit E, domain 1

结构域编号 domain_id	1gytJ02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	630 — Aminopeptidase
同源超家族 H-superfamily homologous superfamily	10 — Zn peptidases

结构域编号 domain_id	1gytK01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	220 — Leucine Aminopeptidase, subunit E; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Leucine Aminopeptidase, subunit E, domain 1

结构域编号 domain_id	1gytK02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	630 — Aminopeptidase
同源超家族 H-superfamily homologous superfamily	10 — Zn peptidases

结构域编号 domain_id	1gytL01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	220 — Leucine Aminopeptidase, subunit E; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Leucine Aminopeptidase, subunit E, domain 1

结构域编号 domain_id	1gytL02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	630 — Aminopeptidase
同源超家族 H-superfamily homologous superfamily	10 — Zn peptidases

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晶胞边长 a length_a	178.000 Å
晶胞边长 b length_b	178.000 Å
晶胞边长 c length_c	244.400 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	120.00 °
晶胞分子数 Z z_pdb	36

空间群 space_group	P 32
空间群编号 int_tables_number	145
晶系 crystal_system	—

分辨率 resolution	2.500 Å
最低分辨率 resolution_low	30.000 Å
R 因子 r_factor	0.1650
R_work r_work	0.1650
R_free r_free	0.2090

E. coli Aminopeptidase A (PepA)

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

CYTOSOL AMINOPEPTIDASE

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

1gyt__assembly_1__model_1

1gyt__assembly_1__model_1 | I(q)

1gyt__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 (5)

实体 1 Entity 1 polymer

聚合物 Polymer

来源 Source

实体 2 Entity 2 non-polymer

实体 3 Entity 3 non-polymer

实体 4 Entity 4 non-polymer

实体 5 Entity 5 water

6. 折叠分类 (SCOP + CATH) 48 domains

SCOP 2.08 (24 domains)

CATH v4.4 (24 domains)

7. 引用文献 (1)

E. coli Aminopeptidase A (PepA)

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

CYTOSOL AMINOPEPTIDASE

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

1gyt__assembly_1__model_1

1gyt__assembly_1__model_1 | I(q)

1gyt__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 (5)

实体 1 Entity 1 polymer

聚合物 Polymer

来源 Source

实体 2 Entity 2 non-polymer

实体 3 Entity 3 non-polymer

实体 4 Entity 4 non-polymer

实体 5 Entity 5 water

6. 折叠分类 (SCOP + CATH) 48 domains

SCOP 2.08 (24 domains)

CATH v4.4 (24 domains)

7. 引用文献 (1)