SAXSdb — 3v8x

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

Transferrin-binding protein 1

Neisseria meningitidis serogroup B

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 2	Serotransferrin × 1 （P02787） ;N-acetyl-alpha-neuraminic acid-(2-6)-beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-alpha-D-mannopyranose-(1-3)-[beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-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 ;N-acetyl-alpha-neuraminic acid-(2-6)-beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-alpha-D-mannopyranose-(1-6)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-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 (HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTANE × 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	TBP1_NEIMB
Isoform	—
PDB实体	1
链与序列区间	作者链 A； PDB构建体 14–904； UniProt 25–915

Serotransferrin

Homo sapiens

UniProt P02787

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 2	Transferrin-binding protein 1 × 1 （Q9K0U9） ;N-acetyl-alpha-neuraminic acid-(2-6)-beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-alpha-D-mannopyranose-(1-3)-[beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-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 ;N-acetyl-alpha-neuraminic acid-(2-6)-beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-alpha-D-mannopyranose-(1-6)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-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 (HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTANE × 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	TRFE_HUMAN
Isoform	—
PDB实体	2
链与序列区间	作者链 B； PDB构建体 1–698； UniProt 1–698

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	3v8x
沉积日期 deposition_date	2011-12-23
结构标题 title	The crystal structure of transferrin binding protein A (TbpA) from Neisserial meningitidis serogroup B in complex with full length human transferrin
关键词 keywords	iron binding protein, transferrin binding protein A, iron binding/scavenging, MEMBRANE PROTEIN-METAL TRANSPORT complex; MEMBRANE PROTEIN/METAL TRANSPORT
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。

3v8x__assembly_1__model_1

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

下载该曲线 .dat

3v8x__assembly_1__model_1 | I(q)

100 个绘图点；横轴和纵轴均采用对数尺度。

3v8x__assembly_1__model_1 | P(r) · Pending

P(r) 将按相同 assembly/model 分别计算和展示。

Rg（Guinier）	40.79 Å
Rg（电子密度）	40.88 Å
总 Rg	40.92 Å
原子数	12007
残基数	1529
排除体积	210540 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	`3v8x__assembly_1__model_1`	dimeric （2）	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	Transferrin-binding protein 1
分子量 formula_weight	101213.3 kDa
突变 mutation	M913Y
来源方法 src_method	man
拷贝数 entity_count	1

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	A
原子数 atom_count	12233

MDIHHHHHHHHHHENVQAGQAQEKQLDTIQVKAKKQKTRRDNEVTGLGKLVKSSDTLSKEQVLNIRDLTRYDPGIAVVEQGRGASSGYSIRGMDKNRVSLTVDGVSQIQSYTAQAALGGTRTAGSSGAINEIEYENVKAVEISKGSNSVEQGSGALAGSVAFQTKTADDVIGEGRQWGIQSKTAYSGKNRGLTQSIALAGRIGGAEALLIHTGRRAGEIRAHEDAGRGVQSFNRLVPVEDSSNYAYFIVKEECKNGSYETCKANPKKDVVGKDERQTVSTRDYTGPNRFLADPLSYESRSWLFRPGFRFENKRHYIGGILEHTQQTFDTRDMTVPAFLTKAVFDANKKQAGSLPGNGKYAGNHKYGGLFTNGENGALVGAEYGTGVFYDETHTKSRYGLEYVYTNADKDTWADYARLSYDRQGVGLDNHFQQTHCSADGSDKYCRPSADKPFSYYKSDRVIYGESHRLLQAAFKKSFDTAKIRHNLSVNLGFDRFGSNLRHQDYYYQHANRAYSSNTPPQNNGKKISPNGSETSPYWVTIGRGNVVTGQICRLGNNTYTDCTPRSINGKSYYAAVRDNVRLGRWADVGAGLRYDYRSTHSDDGSVSTGTHRTLSWNAGIVLKPTDWLDLTYRTSTGFRLPSFAEMYGWRAGVQSKAVKIDPEKSFNKEAGIVFKGDFGNLEASWFNNAYRDLIVRGYEAQIKDGKEEAKGDPAYLNAQSARITGINILGKIDWNGVWDKLPEGWYSTFAYNRVRVRDIKKRADRTDIQSHLFDAIQPSRYVVGLGYDQPEGKWGVNGMLTYSKAKEITELLGSRALLNGNSRNTKATARRTRPWYIVDVSGYYTVKKHFTLRAGVYNLLNYRYVTWENVRQTAGGAVNQHKNVGVYNRYAAPGRNYTFSLEYKF

来源 Source

来源生物 organism	Neisseria meningitidis serogroup B
NCBI 分类编号 ncbi_taxonomy_id	491
宿主生物 host_organism	Escherichia coli

实体 2 Entity 2 polymer

描述 description	Serotransferrin
分子量 formula_weight	77153.9 kDa
来源方法 src_method	man
拷贝数 entity_count	1

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	B

MRLAVGALLVCAVLGLCLAVPDKTVRWCAVSEHEATKCQSFRDHMKSVIPSDGPSVACVKKASYLDCIRAIAANEADAVTLDAGLVYDAYLAPNNLKPVVAEFYGSKEDPQTFYYAVAVVKKDSGFQMNQLRGKKSCHTGLGRSAGWNIPIGLLYCDLPEPRKPLEKAVANFFSGSCAPCADGTDFPQLCQLCPGCGCSTLNQYFGYSGAFKCLKDGAGDVAFVKHSTIFENLANKADRDQYELLCLDNTRKPVDEYKDCHLAQVPSHTVVARSMGGKEDLIWELLNQAQEHFGKDKSKEFQLFSSPHGKDLLFKDSAHGFLKVPPRMDAKMYLGYEYVTAIRNLREGTCPEAPTDECKPVKWCALSHHERLKCDEWSVNSVGKIECVSAETTEDCIAKIMNGEADAMSLDGGFVYIAGKCGLVPVLAENYNKSDNCEDTPEAGYFAVAVVKKSASDLTWDNLKGKKSCHTAVGRTAGWNIPMGLLYNKINHCRFDEFFSEGCAPGSKKDSSLCKLCMGSGLNLCEPNNKEGYYGYTGAFRCLVEKGDVAFVKHQTVPQNTGGKNPDPWAKNLNEKDYELLCLDGTRKPVEEYANCHLARAPNHAVVTRKDKEACVHKILRQQQHLFGSNVTDCSGNFCLFRSETKDLLFRDDTVCLAKLHDRNTYEKYLGEEYVKAVGNLRKCSTSSLLEACTFRRP

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

实体 3 Entity 3 branched

描述 description	;N-acetyl-alpha-neuraminic acid-(2-6)-beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-alpha-D-mannopyranose-(1-3)-[beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-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	1932.7 kDa
来源方法 src_method	man
拷贝数 entity_count	1

实体 4 Entity 4 branched

描述 description	;N-acetyl-alpha-neuraminic acid-(2-6)-beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-alpha-D-mannopyranose-(1-6)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-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	1770.6 kDa
来源方法 src_method	man
拷贝数 entity_count	1

实体 5 Entity 5 non-polymer

描述 description	(HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTANE
分子量 formula_weight	306.4 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

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	204

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6. 折叠分类 (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

结构域编号 domain_id	3v8xA01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	170 — Beta Complex
拓扑 Topology topology	130 — Ferric Hydroxamate Uptake Protein; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — TonB-dependent receptor, plug domain

结构域编号 domain_id	3v8xA02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	170 — Maltoporin; Chain A
同源超家族 H-superfamily homologous superfamily	20 — TonB-dependent receptor, beta-barrel domain

结构域编号 domain_id	3v8xB01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	190 — D-Maltodextrin-Binding Protein; domain 2
同源超家族 H-superfamily homologous superfamily	10 — Periplasmic binding protein-like II

结构域编号 domain_id	3v8xB02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	190 — D-Maltodextrin-Binding Protein; domain 2
同源超家族 H-superfamily homologous superfamily	10 — Periplasmic binding protein-like II

结构域编号 domain_id	3v8xB03
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	190 — D-Maltodextrin-Binding Protein; domain 2
同源超家族 H-superfamily homologous superfamily	10 — Periplasmic binding protein-like II

结构域编号 domain_id	3v8xB04
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	190 — D-Maltodextrin-Binding Protein; domain 2
同源超家族 H-superfamily homologous superfamily	10 — Periplasmic binding protein-like II

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晶胞边长 a length_a	91.014 Å
晶胞边长 b length_b	129.362 Å
晶胞边长 c length_c	198.589 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	4

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	2.600 Å
最低分辨率 resolution_low	29.924 Å
R 因子 r_factor	0.2111
R_work r_work	0.2081
R_free r_free	0.2667

The crystal structure of transferrin binding protein A (TbpA) from Neisserial meningitidis serogroup B in complex with full length human transferrin

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

Transferrin-binding protein 1

当前结构中的状态

数据库中的同蛋白其他状态

Serotransferrin

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

3v8x__assembly_1__model_1

3v8x__assembly_1__model_1 | I(q)

3v8x__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

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 non-polymer

实体 6 Entity 6 water

6. 折叠分类 (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

7. 引用文献 (1)

The crystal structure of transferrin binding protein A (TbpA) from Neisserial meningitidis serogroup B in complex with full length human transferrin

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

Transferrin-binding protein 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

Serotransferrin

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

3v8x__assembly_1__model_1

3v8x__assembly_1__model_1 | I(q)

3v8x__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

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 non-polymer

实体 6 Entity 6 water

6. 折叠分类 (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

7. 引用文献 (1)