2c5b

X-ray crystal structure of 5'-fluorodeoxyadenosine synthase from Streptomyces cattleya complexed with 2'deoxy-5'deoxy-fluoroadenosine.

Method: X-RAY DIFFRACTION

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

;5'-FLUORO-5'-DEOXYADENOSINE SYNTHASE ;

STREPTOMYCES CATTLEYA

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	METHIONINE × 6 5'-FLUORO-2',5'-DIDEOXYADENOSINE × 6 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	Q70GK9_STRCT
Isoform	—
PDB实体	1
链与序列区间	作者链 A； PDB构建体 1–299； UniProt 1–299 作者链 B； PDB构建体 1–299； UniProt 1–299 作者链 C； PDB构建体 1–299； UniProt 1–299

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	2c5b
沉积日期 deposition_date	2005-10-26
结构标题 title	X-ray crystal structure of 5'-fluorodeoxyadenosine synthase from Streptomyces cattleya complexed with 2'deoxy-5'deoxy-fluoroadenosine.
关键词 keywords	;TRANSFERASE, FLUORINASE, 5'-FLUORODEOXYADENOSINE SYNTHASE, FLA, INHIBITOR, AZA, STREPTOMYCES CATTLEYA, SAM ANALOGUE ;; TRANSFERASE
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。

2c5b__assembly_1__model_1

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

下载该曲线 .dat

2c5b__assembly_1__model_1 | I(q)

100 个绘图点；横轴和纵轴均采用对数尺度。

2c5b__assembly_1__model_1 | P(r) · Pending

P(r) 将按相同 assembly/model 分别计算和展示。

Rg（Guinier）	37.86 Å
Rg（电子密度）	37.04 Å
总 Rg	37.56 Å
原子数	13482
残基数	1746
排除体积	238740 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	`2c5b__assembly_1__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 (4)

实体 1 Entity 1 polymer

描述 description	;5'-FLUORO-5'-DEOXYADENOSINE SYNTHASE ;
分子量 formula_weight	32401.5 kDa
EC 编号 ec_number	2.5.1.63
来源方法 src_method	man
拷贝数 entity_count	3

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	A,B,C
原子数 atom_count	6937

MAANSTRRPIIAFMSDLGTTDDSVAQCKGLMYSICPDVTVVDVCHSMTPWDVEEGARYIVDLPRFFPEGTVFATTTYPATGTTTRSVAVRIKQAAKGGARGQWAGSGAGFERAEGSYIYIAPNNGLLTTVLEEHGYLEAYEVTSPKVIPEQPEPTFYSREMVAIPSAHLAAGFPLSEVGRPLEDHEIVRFNRPAVEQDGEALVGVVSAIDHPFGNVWTNIHRTDLEKAGIGYGARLRLTLDGVLPFEAPLTPTFADAGEIGNIAIYLNSRGYLSIARNAASLAYPYHLKEGMSARVEAR

来源 Source

来源生物 organism	STREPTOMYCES CATTLEYA
NCBI 分类编号 ncbi_taxonomy_id	29303
宿主生物 host_organism	ESCHERICHIA COLI

实体 2 Entity 2 non-polymer

描述 description	METHIONINE
分子量 formula_weight	149.2 kDa
来源方法 src_method	syn
拷贝数 entity_count	3

实体 3 Entity 3 non-polymer

描述 description	5'-FLUORO-2',5'-DIDEOXYADENOSINE
分子量 formula_weight	253.2 kDa
来源方法 src_method	syn
拷贝数 entity_count	3

实体 4 Entity 4 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	196

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6. 折叠分类 (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

结构域编号 domain_id	d2c5ba1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.141 — Bacterial fluorinating enzyme, C-terminal domain
超家族 Superfamily superfamily	b.141.1 — Bacterial fluorinating enzyme, C-terminal domain
家族 Family family	b.141.1.1 — Bacterial fluorinating enzyme, C-terminal domain

结构域编号 domain_id	d2c5ba2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.132 — Bacterial fluorinating enzyme, N-terminal domain
超家族 Superfamily superfamily	c.132.1 — Bacterial fluorinating enzyme, N-terminal domain
家族 Family family	c.132.1.1 — Bacterial fluorinating enzyme, N-terminal domain

结构域编号 domain_id	d2c5bb1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.141 — Bacterial fluorinating enzyme, C-terminal domain
超家族 Superfamily superfamily	b.141.1 — Bacterial fluorinating enzyme, C-terminal domain
家族 Family family	b.141.1.1 — Bacterial fluorinating enzyme, C-terminal domain

结构域编号 domain_id	d2c5bb2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.132 — Bacterial fluorinating enzyme, N-terminal domain
超家族 Superfamily superfamily	c.132.1 — Bacterial fluorinating enzyme, N-terminal domain
家族 Family family	c.132.1.1 — Bacterial fluorinating enzyme, N-terminal domain

结构域编号 domain_id	d2c5bc1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.141 — Bacterial fluorinating enzyme, C-terminal domain
超家族 Superfamily superfamily	b.141.1 — Bacterial fluorinating enzyme, C-terminal domain
家族 Family family	b.141.1.1 — Bacterial fluorinating enzyme, C-terminal domain

结构域编号 domain_id	d2c5bc2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.132 — Bacterial fluorinating enzyme, N-terminal domain
超家族 Superfamily superfamily	c.132.1 — Bacterial fluorinating enzyme, N-terminal domain
家族 Family family	c.132.1.1 — Bacterial fluorinating enzyme, N-terminal domain

CATH v4.4 (6 domains)

结构域编号 domain_id	2c5bA01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	10790 — S-adenosyl-l-methionine hydroxide adenosyltransferase, N-terminal

结构域编号 domain_id	2c5bA02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	30 — Elongation Factor Tu (Ef-tu); domain 3
同源超家族 H-superfamily homologous superfamily	90 — Bacterial fluorinating enzyme like

结构域编号 domain_id	2c5bB01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	10790 — S-adenosyl-l-methionine hydroxide adenosyltransferase, N-terminal

结构域编号 domain_id	2c5bB02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	30 — Elongation Factor Tu (Ef-tu); domain 3
同源超家族 H-superfamily homologous superfamily	90 — Bacterial fluorinating enzyme like

结构域编号 domain_id	2c5bC01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	10790 — S-adenosyl-l-methionine hydroxide adenosyltransferase, N-terminal

结构域编号 domain_id	2c5bC02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	30 — Elongation Factor Tu (Ef-tu); domain 3
同源超家族 H-superfamily homologous superfamily	90 — Bacterial fluorinating enzyme like

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晶胞边长 a length_a	76.153 Å
晶胞边长 b length_b	129.669 Å
晶胞边长 c length_c	183.165 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	C 2 2 21
空间群编号 int_tables_number	20
晶系 crystal_system	—

分辨率 resolution	2.500 Å
最低分辨率 resolution_low	37.000 Å
R 因子 r_factor	0.1930
R_work r_work	0.1890
R_free r_free	0.2670

X-ray crystal structure of 5'-fluorodeoxyadenosine synthase from Streptomyces cattleya complexed with 2'deoxy-5'deoxy-fluoroadenosine.

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

;5'-FLUORO-5'-DEOXYADENOSINE SYNTHASE ;

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

2c5b__assembly_1__model_1

2c5b__assembly_1__model_1 | I(q)

2c5b__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 (4)

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 water

6. 折叠分类 (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

CATH v4.4 (6 domains)

7. 引用文献 (1)

X-ray crystal structure of 5'-fluorodeoxyadenosine synthase from Streptomyces cattleya complexed with 2'deoxy-5'deoxy-fluoroadenosine.

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

;5'-FLUORO-5'-DEOXYADENOSINE SYNTHASE ;

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

2c5b__assembly_1__model_1

2c5b__assembly_1__model_1 | I(q)

2c5b__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 (4)

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 water

6. 折叠分类 (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

CATH v4.4 (6 domains)

7. 引用文献 (1)