2xqr

Crystal structure of plant cell wall invertase in complex with a specific protein inhibitor

Method: X-RAY DIFFRACTION

▼

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

BETA-FRUCTOFURANOSIDASE, INSOLUBLE ISOENZYME CWINV1

ARABIDOPSIS THALIANA

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	INVERTASE INHIBITOR × 1 （O49908） ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-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 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-fructofuranose × 1 SULFATE ION × 2 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 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 2	INVERTASE INHIBITOR × 1 （O49908） ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-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 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-fructofuranose × 1 SULFATE ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 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 2	INVERTASE INHIBITOR × 1 （O49908） ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-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 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-fructofuranose × 1 SULFATE ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 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 2	INVERTASE INHIBITOR × 1 （O49908） ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-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 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-fructofuranose × 1 SULFATE ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 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 2	INVERTASE INHIBITOR × 1 （O49908） ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-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 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-fructofuranose × 1 SULFATE ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 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 2	INVERTASE INHIBITOR × 1 （O49908） ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-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 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-fructofuranose × 1 SULFATE ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 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	INV1_ARATH
Isoform	—
PDB实体	1
链与序列区间	作者链 A； PDB构建体 1–537； UniProt 48–584 作者链 C； PDB构建体 1–537； UniProt 48–584 作者链 E； PDB构建体 1–537； UniProt 48–584 作者链 G； PDB构建体 1–537； UniProt 48–584 作者链 I； PDB构建体 1–537； UniProt 48–584 作者链 K； PDB构建体 1–537； UniProt 48–584

INVERTASE INHIBITOR

NICOTIANA TABACUM

UniProt O49908

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	BETA-FRUCTOFURANOSIDASE, INSOLUBLE ISOENZYME CWINV1 × 1 （Q43866） ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-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 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-fructofuranose × 1 SULFATE ION × 2 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 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 2	BETA-FRUCTOFURANOSIDASE, INSOLUBLE ISOENZYME CWINV1 × 1 （Q43866） ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-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 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-fructofuranose × 1 SULFATE ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 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 2	BETA-FRUCTOFURANOSIDASE, INSOLUBLE ISOENZYME CWINV1 × 1 （Q43866） ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-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 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-fructofuranose × 1 SULFATE ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 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 2	BETA-FRUCTOFURANOSIDASE, INSOLUBLE ISOENZYME CWINV1 × 1 （Q43866） ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-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 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-fructofuranose × 1 SULFATE ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 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 2	BETA-FRUCTOFURANOSIDASE, INSOLUBLE ISOENZYME CWINV1 × 1 （Q43866） ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-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 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-fructofuranose × 1 SULFATE ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 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 2	BETA-FRUCTOFURANOSIDASE, INSOLUBLE ISOENZYME CWINV1 × 1 （Q43866） ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-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 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-fructofuranose × 1 SULFATE ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 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	O49908_TOBAC
Isoform	—
PDB实体	2
链与序列区间	作者链 B； PDB构建体 2–149； UniProt 19–166 作者链 D； PDB构建体 2–149； UniProt 19–166 作者链 F； PDB构建体 2–149； UniProt 19–166 作者链 H； PDB构建体 2–149； UniProt 19–166 作者链 J； PDB构建体 2–149； UniProt 19–166 作者链 L； PDB构建体 2–149； UniProt 19–166

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	2xqr
沉积日期 deposition_date	2010-09-07
结构标题 title	Crystal structure of plant cell wall invertase in complex with a specific protein inhibitor
关键词 keywords	HYDROLASE-INHIBITOR COMPLEX, APOPLAST, CELL WALL, HYDROLASE, PROTEIN INHIBITOR, SUGAR METABOLISM, GLYCOSIDASE; HYDROLASE/INHIBITOR
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。

2xqr__assembly_1__model_1

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

下载该曲线 .dat

2xqr__assembly_1__model_1 | I(q)

100 个绘图点；横轴和纵轴均采用对数尺度。

2xqr__assembly_1__model_1 | P(r) · Pending

P(r) 将按相同 assembly/model 分别计算和展示。

Rg（Guinier）	26.56 Å
Rg（电子密度）	25.74 Å
总 Rg	26.77 Å
原子数	5561
残基数	683
排除体积	98949 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	`2xqr__assembly_1__model_1`	dimeric （2）	成功	4.1.3-1-20251215 (887e7ef)	查看下载
2	1	`2xqr__assembly_2__model_1`	dimeric （2）	成功	4.1.3-1-20251215 (887e7ef)	查看下载
3	1	`2xqr__assembly_3__model_1`	dimeric （2）	成功	4.1.3-1-20251215 (887e7ef)	查看下载
4	1	`2xqr__assembly_4__model_1`	dimeric （2）	成功	4.1.3-1-20251215 (887e7ef)	查看下载
5	1	`2xqr__assembly_5__model_1`	dimeric （2）	成功	4.1.3-1-20251215 (887e7ef)	查看下载
6	1	`2xqr__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 (9)

实体 1 Entity 1 polymer

描述 description	BETA-FRUCTOFURANOSIDASE, INSOLUBLE ISOENZYME CWINV1
分子量 formula_weight	61103.0 kDa
EC 编号 ec_number	3.2.1.26
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	34132

NQPYRTGFHFQPPKNWMNDPNGPMIYKGIYHLFYQWNPKGAVWGNIVWAHSTSTDLINWDPHPPAIFPSAPFDINGCWSGSATILPNGKPVILYTGIDPKNQQVQNIAEPKNLSDPYLREWKKSPLNPLMAPDAVNGINASSFRDPTTAWLGQDKKWRVIIGSKIHRRGLAITYTSKDFLKWEKSPEPLHYDDGSGMWECPDFFPVTRFGSNGVETSSFGEPNEILKHVLKISLDDTKHDYYTIGTYDRVKDKFVPDNGFKMDGTAPRYDYGKYYASKTFFDSAKNRRILWGWTNESSSVEDDVEKGWSGIQTIPRKIWLDRSGKQLIQWPVREVERLRTKQVKNLRNKVLKSGSRLEVYGVTAAQADVEVLFKVRDLEKADVIEPSWTDPQLICSKMNVSVKSGLGPFGLMVLASKNLEEYTSVYFRIFKARQNSNKYVVLMCSDQSRSSLKEDNDKTTYGAFVDINPHQPLSLRALIDHSVVESFGGKGRACITSRVYPKLAIGKSSHLFAFNYGYQSVDVLNLNAWSMNSAQIS

来源 Source

来源生物 organism	ARABIDOPSIS THALIANA
通用名 common_name	THALE CRESS
NCBI 分类编号 ncbi_taxonomy_id	3702
宿主生物 host_organism	PICHIA PASTORIS

实体 2 Entity 2 polymer

描述 description	INVERTASE INHIBITOR
分子量 formula_weight	15900.2 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

GANNLVETTCKNTPNYQLCLKTLLSDKRSATGDITTLALIMVDAIKAKANQAAVTISKLRHSNPPAAWKGPLKNCAFSYKVILTASLPEAIEALTKGDPKFAEDGMVGSSGDAQECEEYFKGSKSPFSALNIAVHELSDVGRAIVRNLL

来源 Source

来源生物 organism	NICOTIANA TABACUM
通用名 common_name	COMMON TOBACCO
NCBI 分类编号 ncbi_taxonomy_id	4097
宿主生物 host_organism	Escherichia coli BL21(DE3)

实体 3 Entity 3 branched

描述 description	;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-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	1073.0 kDa
来源方法 src_method	man
拷贝数 entity_count	6

实体 4 Entity 4 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	6

实体 5 Entity 5 non-polymer

描述 description	beta-D-fructofuranose
分子量 formula_weight	180.2 kDa
来源方法 src_method	man
拷贝数 entity_count	6

实体 6 Entity 6 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	7

实体 7 Entity 7 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	6

实体 8 Entity 8 non-polymer

描述 description	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID
分子量 formula_weight	238.3 kDa
来源方法 src_method	syn
拷贝数 entity_count	6

实体 9 Entity 9 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	791

▼

6. 折叠分类 (SCOP + CATH) 24 domains

SCOP 2.08 (6 domains)

结构域编号 domain_id	d2xqrb_
类 Class class	a — All alpha proteins
折叠类型 Fold fold	a.29 — Bromodomain-like
超家族 Superfamily superfamily	a.29.6 — Plant invertase/pectin methylesterase inhibitor
家族 Family family	a.29.6.1 — Plant invertase/pectin methylesterase inhibitor

结构域编号 domain_id	d2xqrd_
类 Class class	a — All alpha proteins
折叠类型 Fold fold	a.29 — Bromodomain-like
超家族 Superfamily superfamily	a.29.6 — Plant invertase/pectin methylesterase inhibitor
家族 Family family	a.29.6.1 — Plant invertase/pectin methylesterase inhibitor

结构域编号 domain_id	d2xqrf_
类 Class class	a — All alpha proteins
折叠类型 Fold fold	a.29 — Bromodomain-like
超家族 Superfamily superfamily	a.29.6 — Plant invertase/pectin methylesterase inhibitor
家族 Family family	a.29.6.1 — Plant invertase/pectin methylesterase inhibitor

结构域编号 domain_id	d2xqrh_
类 Class class	a — All alpha proteins
折叠类型 Fold fold	a.29 — Bromodomain-like
超家族 Superfamily superfamily	a.29.6 — Plant invertase/pectin methylesterase inhibitor
家族 Family family	a.29.6.1 — Plant invertase/pectin methylesterase inhibitor

结构域编号 domain_id	d2xqrj_
类 Class class	a — All alpha proteins
折叠类型 Fold fold	a.29 — Bromodomain-like
超家族 Superfamily superfamily	a.29.6 — Plant invertase/pectin methylesterase inhibitor
家族 Family family	a.29.6.1 — Plant invertase/pectin methylesterase inhibitor

结构域编号 domain_id	d2xqrl_
类 Class class	a — All alpha proteins
折叠类型 Fold fold	a.29 — Bromodomain-like
超家族 Superfamily superfamily	a.29.6 — Plant invertase/pectin methylesterase inhibitor
家族 Family family	a.29.6.1 — Plant invertase/pectin methylesterase inhibitor

CATH v4.4 (18 domains)

结构域编号 domain_id	2xqrA01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	115 — 5 Propeller
拓扑 Topology topology	10 — Tachylectin-2; Chain A
同源超家族 H-superfamily homologous superfamily	20 — Glycosyl hydrolase domain; family 43

结构域编号 domain_id	2xqrA02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	60 — Sandwich
拓扑 Topology topology	120 — Jelly Rolls
同源超家族 H-superfamily homologous superfamily	560 — Exo-inulinase; domain 1

结构域编号 domain_id	2xqrB00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	20 — Up-down Bundle
拓扑 Topology topology	140 — Butyryl-CoA Dehydrogenase, subunit A; domain 3
同源超家族 H-superfamily homologous superfamily	40 — Invertase/pectin methylesterase inhibitor family protein

结构域编号 domain_id	2xqrC01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	115 — 5 Propeller
拓扑 Topology topology	10 — Tachylectin-2; Chain A
同源超家族 H-superfamily homologous superfamily	20 — Glycosyl hydrolase domain; family 43

结构域编号 domain_id	2xqrC02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	60 — Sandwich
拓扑 Topology topology	120 — Jelly Rolls
同源超家族 H-superfamily homologous superfamily	560 — Exo-inulinase; domain 1

结构域编号 domain_id	2xqrD00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	20 — Up-down Bundle
拓扑 Topology topology	140 — Butyryl-CoA Dehydrogenase, subunit A; domain 3
同源超家族 H-superfamily homologous superfamily	40 — Invertase/pectin methylesterase inhibitor family protein

结构域编号 domain_id	2xqrE01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	115 — 5 Propeller
拓扑 Topology topology	10 — Tachylectin-2; Chain A
同源超家族 H-superfamily homologous superfamily	20 — Glycosyl hydrolase domain; family 43

结构域编号 domain_id	2xqrE02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	60 — Sandwich
拓扑 Topology topology	120 — Jelly Rolls
同源超家族 H-superfamily homologous superfamily	560 — Exo-inulinase; domain 1

结构域编号 domain_id	2xqrF00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	20 — Up-down Bundle
拓扑 Topology topology	140 — Butyryl-CoA Dehydrogenase, subunit A; domain 3
同源超家族 H-superfamily homologous superfamily	40 — Invertase/pectin methylesterase inhibitor family protein

结构域编号 domain_id	2xqrG01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	115 — 5 Propeller
拓扑 Topology topology	10 — Tachylectin-2; Chain A
同源超家族 H-superfamily homologous superfamily	20 — Glycosyl hydrolase domain; family 43

结构域编号 domain_id	2xqrG02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	60 — Sandwich
拓扑 Topology topology	120 — Jelly Rolls
同源超家族 H-superfamily homologous superfamily	560 — Exo-inulinase; domain 1

结构域编号 domain_id	2xqrH00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	20 — Up-down Bundle
拓扑 Topology topology	140 — Butyryl-CoA Dehydrogenase, subunit A; domain 3
同源超家族 H-superfamily homologous superfamily	40 — Invertase/pectin methylesterase inhibitor family protein

结构域编号 domain_id	2xqrI01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	115 — 5 Propeller
拓扑 Topology topology	10 — Tachylectin-2; Chain A
同源超家族 H-superfamily homologous superfamily	20 — Glycosyl hydrolase domain; family 43

结构域编号 domain_id	2xqrI02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	60 — Sandwich
拓扑 Topology topology	120 — Jelly Rolls
同源超家族 H-superfamily homologous superfamily	560 — Exo-inulinase; domain 1

结构域编号 domain_id	2xqrJ00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	20 — Up-down Bundle
拓扑 Topology topology	140 — Butyryl-CoA Dehydrogenase, subunit A; domain 3
同源超家族 H-superfamily homologous superfamily	40 — Invertase/pectin methylesterase inhibitor family protein

结构域编号 domain_id	2xqrK01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	115 — 5 Propeller
拓扑 Topology topology	10 — Tachylectin-2; Chain A
同源超家族 H-superfamily homologous superfamily	20 — Glycosyl hydrolase domain; family 43

结构域编号 domain_id	2xqrK02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	60 — Sandwich
拓扑 Topology topology	120 — Jelly Rolls
同源超家族 H-superfamily homologous superfamily	560 — Exo-inulinase; domain 1

结构域编号 domain_id	2xqrL00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	20 — Up-down Bundle
拓扑 Topology topology	140 — Butyryl-CoA Dehydrogenase, subunit A; domain 3
同源超家族 H-superfamily homologous superfamily	40 — Invertase/pectin methylesterase inhibitor family protein

▶

晶胞边长 a length_a	199.980 Å
晶胞边长 b length_b	199.980 Å
晶胞边长 c length_c	111.160 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	18

空间群 space_group	P 3
空间群编号 int_tables_number	143
晶系 crystal_system	—

分辨率 resolution	2.580 Å
最低分辨率 resolution_low	48.570 Å
R 因子 r_factor	0.1841
R_work r_work	0.1828
R_free r_free	0.2100

Crystal structure of plant cell wall invertase in complex with a specific protein inhibitor

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

BETA-FRUCTOFURANOSIDASE, INSOLUBLE ISOENZYME CWINV1

当前结构中的状态

数据库中的同蛋白其他状态

INVERTASE INHIBITOR

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

2xqr__assembly_1__model_1

2xqr__assembly_1__model_1 | I(q)

2xqr__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 (9)

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 non-polymer

实体 7 Entity 7 non-polymer

实体 8 Entity 8 non-polymer

实体 9 Entity 9 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)

Crystal structure of plant cell wall invertase in complex with a specific protein inhibitor

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

BETA-FRUCTOFURANOSIDASE, INSOLUBLE ISOENZYME CWINV1

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

INVERTASE INHIBITOR

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

2xqr__assembly_1__model_1

2xqr__assembly_1__model_1 | I(q)

2xqr__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 (9)

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 non-polymer

实体 7 Entity 7 non-polymer

实体 8 Entity 8 non-polymer

实体 9 Entity 9 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)