1wxx

Crystal structure of Tt1595, a putative SAM-dependent methyltransferase from Thermus thermophillus HB8

Method: X-RAY DIFFRACTION

▼

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

hypothetical protein TTHA1280

Thermus thermophilus

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 2	POTASSIUM ION × 2 PHOSPHATE ION × 7 water × 2	与蛋白数一致
2	蛋白同源多聚体	同源多聚体	蛋白 2	POTASSIUM ION × 2 PHOSPHATE ION × 1 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	Q5SIT4_THET8
Isoform	—
PDB实体	1
链与序列区间	作者链 A； PDB构建体 1–382； UniProt 1–382 作者链 B； PDB构建体 1–382； UniProt 1–382 作者链 C； PDB构建体 1–382； UniProt 1–382 作者链 D； PDB构建体 1–382； UniProt 1–382

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	1wxx
沉积日期 deposition_date	2005-02-02
结构标题 title	Crystal structure of Tt1595, a putative SAM-dependent methyltransferase from Thermus thermophillus HB8
关键词 keywords	;Thermus thermophillus, methyltransferase, Adomet, structural genomics, RIKEN Structural Genomics/Proteomics Initiative, RSGI, NPPSFA, National Project on Protein Structural and Functional Analyses, TRANSFERASE ;; TRANSFERASE
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。

1wxx__assembly_1__model_1

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

下载该曲线 .dat

1wxx__assembly_1__model_1 | I(q)

100 个绘图点；横轴和纵轴均采用对数尺度。

1wxx__assembly_1__model_1 | P(r) · Pending

P(r) 将按相同 assembly/model 分别计算和展示。

Rg（Guinier）	29.48 Å
Rg（电子密度）	28.28 Å
总 Rg	29.17 Å
原子数	6123
残基数	756
排除体积	108690 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	`1wxx__assembly_1__model_1`	dimeric （2）	成功	4.1.3-1-20251215 (887e7ef)	查看下载
2	1	`1wxx__assembly_2__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 (4)

实体 1 Entity 1 polymer

描述 description	hypothetical protein TTHA1280
分子量 formula_weight	43252.9 kDa
来源方法 src_method	man
拷贝数 entity_count	4

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	A,B,C,D
原子数 atom_count	13321

MRIQVNAKGAARLLSRHLWVFRRDVVSGPETPGLYPVYWGRRFLALALYNPHTDLAVRAYRFAPAEDPVAALLENLAQALARREAVLRQDPEGGYRLVHAEGDLLPGLVVDYYAGHAVVQATAHAWEGLLPQVAEALRPHVQSVLAKNDARTRELEGLPLYVRPLLGEVPERVQVQEGRVRYLVDLRAGQKTGAYLDQRENRLYMERFRGERALDVFSYAGGFALHLALGFREVVAVDSSAEALRRAEENARLNGLGNVRVLEANAFDLLRRLEKEGERFDLVVLDPPAFAKGKKDVERAYRAYKEVNLRAIKLLKEGGILATASCSHHMTEPLFYAMVAEAAQDAHRLLRVVEKRGQPFDHPVLLNHPETHYLKFAVFQVL

来源 Source

来源生物 organism	Thermus thermophilus
NCBI 分类编号 ncbi_taxonomy_id	300852
宿主生物 host_organism	Escherichia coli

实体 2 Entity 2 non-polymer

描述 description	POTASSIUM ION
分子量 formula_weight	39.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

实体 3 Entity 3 non-polymer

描述 description	PHOSPHATE ION
分子量 formula_weight	95.0 kDa
来源方法 src_method	syn
拷贝数 entity_count	8

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	1105

▼

6. 折叠分类 (SCOP + CATH) 20 domains

SCOP 2.08 (8 domains)

结构域编号 domain_id	d1wxxa1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.122 — PUA domain-like
超家族 Superfamily superfamily	b.122.1 — PUA domain-like
家族 Family family	b.122.1.9 — Hypothetical RNA methyltransferase domain (HRMD)

结构域编号 domain_id	d1wxxa2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.66 — S-adenosyl-L-methionine-dependent methyltransferases
超家族 Superfamily superfamily	c.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
家族 Family family	c.66.1.51 — hypothetical RNA methyltransferase

结构域编号 domain_id	d1wxxb1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.122 — PUA domain-like
超家族 Superfamily superfamily	b.122.1 — PUA domain-like
家族 Family family	b.122.1.9 — Hypothetical RNA methyltransferase domain (HRMD)

结构域编号 domain_id	d1wxxb2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.66 — S-adenosyl-L-methionine-dependent methyltransferases
超家族 Superfamily superfamily	c.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
家族 Family family	c.66.1.51 — hypothetical RNA methyltransferase

结构域编号 domain_id	d1wxxc1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.122 — PUA domain-like
超家族 Superfamily superfamily	b.122.1 — PUA domain-like
家族 Family family	b.122.1.9 — Hypothetical RNA methyltransferase domain (HRMD)

结构域编号 domain_id	d1wxxc2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.66 — S-adenosyl-L-methionine-dependent methyltransferases
超家族 Superfamily superfamily	c.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
家族 Family family	c.66.1.51 — hypothetical RNA methyltransferase

结构域编号 domain_id	d1wxxd1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.122 — PUA domain-like
超家族 Superfamily superfamily	b.122.1 — PUA domain-like
家族 Family family	b.122.1.9 — Hypothetical RNA methyltransferase domain (HRMD)

结构域编号 domain_id	d1wxxd2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.66 — S-adenosyl-L-methionine-dependent methyltransferases
超家族 Superfamily superfamily	c.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
家族 Family family	c.66.1.51 — hypothetical RNA methyltransferase

CATH v4.4 (12 domains)

结构域编号 domain_id	1wxxA01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	30 — Roll
拓扑 Topology topology	130 — Archaeosine Trna-guanine Transglycosylase; Chain: A, domain 4
同源超家族 H-superfamily homologous superfamily	10 — PUA domain

结构域编号 domain_id	1wxxA02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	750 — Transcription Regulator spoIIAA
同源超家族 H-superfamily homologous superfamily	80 — RNA methyltransferase domain (HRMD) like

结构域编号 domain_id	1wxxA03
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	150 — Vaccinia Virus protein VP39

结构域编号 domain_id	1wxxB01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	30 — Roll
拓扑 Topology topology	130 — Archaeosine Trna-guanine Transglycosylase; Chain: A, domain 4
同源超家族 H-superfamily homologous superfamily	10 — PUA domain

结构域编号 domain_id	1wxxB02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	750 — Transcription Regulator spoIIAA
同源超家族 H-superfamily homologous superfamily	80 — RNA methyltransferase domain (HRMD) like

结构域编号 domain_id	1wxxB03
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	150 — Vaccinia Virus protein VP39

结构域编号 domain_id	1wxxC01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	30 — Roll
拓扑 Topology topology	130 — Archaeosine Trna-guanine Transglycosylase; Chain: A, domain 4
同源超家族 H-superfamily homologous superfamily	10 — PUA domain

结构域编号 domain_id	1wxxC02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	750 — Transcription Regulator spoIIAA
同源超家族 H-superfamily homologous superfamily	80 — RNA methyltransferase domain (HRMD) like

结构域编号 domain_id	1wxxC03
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	150 — Vaccinia Virus protein VP39

结构域编号 domain_id	1wxxD01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	30 — Roll
拓扑 Topology topology	130 — Archaeosine Trna-guanine Transglycosylase; Chain: A, domain 4
同源超家族 H-superfamily homologous superfamily	10 — PUA domain

结构域编号 domain_id	1wxxD02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	750 — Transcription Regulator spoIIAA
同源超家族 H-superfamily homologous superfamily	80 — RNA methyltransferase domain (HRMD) like

结构域编号 domain_id	1wxxD03
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	150 — Vaccinia Virus protein VP39

▶

晶胞边长 a length_a	77.551 Å
晶胞边长 b length_b	82.318 Å
晶胞边长 c length_c	79.616 Å
晶胞夹角 α angle_alpha	96.34 °
晶胞夹角 β angle_beta	90.14 °
晶胞夹角 γ angle_gamma	103.06 °
晶胞分子数 Z z_pdb	4

空间群 space_group	P 1
空间群编号 int_tables_number	1
晶系 crystal_system	—

分辨率 resolution	1.800 Å
最低分辨率 resolution_low	39.550 Å
R 因子 r_factor	0.2030
R_work r_work	0.2030
R_free r_free	0.2290

Crystal structure of Tt1595, a putative SAM-dependent methyltransferase from Thermus thermophillus HB8

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

hypothetical protein TTHA1280

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

1wxx__assembly_1__model_1

1wxx__assembly_1__model_1 | I(q)

1wxx__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) 20 domains

SCOP 2.08 (8 domains)

CATH v4.4 (12 domains)

7. 引用文献 (1)

Crystal structure of Tt1595, a putative SAM-dependent methyltransferase from Thermus thermophillus HB8

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

hypothetical protein TTHA1280

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

1wxx__assembly_1__model_1

1wxx__assembly_1__model_1 | I(q)

1wxx__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) 20 domains

SCOP 2.08 (8 domains)

CATH v4.4 (12 domains)

7. 引用文献 (1)