7wld

Cryo-EM structure of the human glycosylphosphatidylinositol transamidase complex at 2.53 Angstrom resolution

Method: ELECTRON MICROSCOPY
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1. 蛋白身份与相关结构 Protein Identity & Related Structures

Glycosylphosphatidylinositol anchor attachment 1 protein

Homo sapiens

UniProt O43292

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 5 其他聚合物 1 GPI-anchor transamidase × 1 (Q92643) GPI transamidase component PIG-S × 1 (Q96S52) GPI transamidase component PIG-T × 1 (Q969N2) Phosphatidylinositol glycan anchor biosynthesis class U protein × 1 (Q9H490) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CHOLESTEROL HEMISUCCINATE × 9 Digitonin × 1 (4S,7R)-7-[(hexadecanoyloxy)methyl]-4-hydroxy-N,N,N-trimethyl-4,9-dioxo-3,5,8-trioxa-4lambda~5~-phosphahexacosan-1-aminium × 2 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine × 1 CALCIUM ION × 1 O-[(R)-{[(2R)-2,3-bis(octadecanoyloxy)propyl]oxy}(hydroxy)phosphoryl]-L-serine × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 CHOLESTEROL × 5 2-azanylethyl [(2~{S},3~{S},4~{S},5~{S},6~{R})-6-(hydroxymethyl)-2,4,5-tris(oxidanyl)oxan-3-yl] hydrogen phosphate × 1 2-amino-2-deoxy-alpha-D-glucopyranose × 1 CARDIOLIPIN × 1 [(2R)-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] octadecanoate × 1 ;[(2~{R})-1-hexadecanoyloxy-3-[[(1~{S},2~{R},3~{R},4~{S},5~{S},6~{R})-2-hexadecanoyloxy-3,4,5,6-tetrakis(oxidanyl)cyclohexyl]oxy-oxidanyl-phosphoryl]oxy-propan-2-yl] (9~{Z},11~{Z})-octadeca-9,11-dienoate ; × 1 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 GPAA1_HUMAN
Isoform —
PDB实体 1
链与序列区间 作者链 G; PDB构建体 4–623; UniProt 2–621

GPI-anchor transamidase

Homo sapiens

UniProt Q92643

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 5 其他聚合物 1 Glycosylphosphatidylinositol anchor attachment 1 protein × 1 (O43292) GPI transamidase component PIG-S × 1 (Q96S52) GPI transamidase component PIG-T × 1 (Q969N2) Phosphatidylinositol glycan anchor biosynthesis class U protein × 1 (Q9H490) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CHOLESTEROL HEMISUCCINATE × 9 Digitonin × 1 (4S,7R)-7-[(hexadecanoyloxy)methyl]-4-hydroxy-N,N,N-trimethyl-4,9-dioxo-3,5,8-trioxa-4lambda~5~-phosphahexacosan-1-aminium × 2 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine × 1 CALCIUM ION × 1 O-[(R)-{[(2R)-2,3-bis(octadecanoyloxy)propyl]oxy}(hydroxy)phosphoryl]-L-serine × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 CHOLESTEROL × 5 2-azanylethyl [(2~{S},3~{S},4~{S},5~{S},6~{R})-6-(hydroxymethyl)-2,4,5-tris(oxidanyl)oxan-3-yl] hydrogen phosphate × 1 2-amino-2-deoxy-alpha-D-glucopyranose × 1 CARDIOLIPIN × 1 [(2R)-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] octadecanoate × 1 ;[(2~{R})-1-hexadecanoyloxy-3-[[(1~{S},2~{R},3~{R},4~{S},5~{S},6~{R})-2-hexadecanoyloxy-3,4,5,6-tetrakis(oxidanyl)cyclohexyl]oxy-oxidanyl-phosphoryl]oxy-propan-2-yl] (9~{Z},11~{Z})-octadeca-9,11-dienoate ; × 1 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 GPI8_HUMAN
Isoform —
PDB实体 2
链与序列区间 作者链 K; PDB构建体 4–397; UniProt 2–395

GPI transamidase component PIG-S

Homo sapiens

UniProt Q96S52

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 5 其他聚合物 1 Glycosylphosphatidylinositol anchor attachment 1 protein × 1 (O43292) GPI-anchor transamidase × 1 (Q92643) GPI transamidase component PIG-T × 1 (Q969N2) Phosphatidylinositol glycan anchor biosynthesis class U protein × 1 (Q9H490) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CHOLESTEROL HEMISUCCINATE × 9 Digitonin × 1 (4S,7R)-7-[(hexadecanoyloxy)methyl]-4-hydroxy-N,N,N-trimethyl-4,9-dioxo-3,5,8-trioxa-4lambda~5~-phosphahexacosan-1-aminium × 2 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine × 1 CALCIUM ION × 1 O-[(R)-{[(2R)-2,3-bis(octadecanoyloxy)propyl]oxy}(hydroxy)phosphoryl]-L-serine × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 CHOLESTEROL × 5 2-azanylethyl [(2~{S},3~{S},4~{S},5~{S},6~{R})-6-(hydroxymethyl)-2,4,5-tris(oxidanyl)oxan-3-yl] hydrogen phosphate × 1 2-amino-2-deoxy-alpha-D-glucopyranose × 1 CARDIOLIPIN × 1 [(2R)-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] octadecanoate × 1 ;[(2~{R})-1-hexadecanoyloxy-3-[[(1~{S},2~{R},3~{R},4~{S},5~{S},6~{R})-2-hexadecanoyloxy-3,4,5,6-tetrakis(oxidanyl)cyclohexyl]oxy-oxidanyl-phosphoryl]oxy-propan-2-yl] (9~{Z},11~{Z})-octadeca-9,11-dienoate ; × 1 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 PIGS_HUMAN
Isoform —
PDB实体 3
链与序列区间 作者链 S; PDB构建体 4–557; UniProt 2–555

GPI transamidase component PIG-T

Homo sapiens

UniProt Q969N2

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 5 其他聚合物 1 Glycosylphosphatidylinositol anchor attachment 1 protein × 1 (O43292) GPI-anchor transamidase × 1 (Q92643) GPI transamidase component PIG-S × 1 (Q96S52) Phosphatidylinositol glycan anchor biosynthesis class U protein × 1 (Q9H490) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CHOLESTEROL HEMISUCCINATE × 9 Digitonin × 1 (4S,7R)-7-[(hexadecanoyloxy)methyl]-4-hydroxy-N,N,N-trimethyl-4,9-dioxo-3,5,8-trioxa-4lambda~5~-phosphahexacosan-1-aminium × 2 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine × 1 CALCIUM ION × 1 O-[(R)-{[(2R)-2,3-bis(octadecanoyloxy)propyl]oxy}(hydroxy)phosphoryl]-L-serine × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 CHOLESTEROL × 5 2-azanylethyl [(2~{S},3~{S},4~{S},5~{S},6~{R})-6-(hydroxymethyl)-2,4,5-tris(oxidanyl)oxan-3-yl] hydrogen phosphate × 1 2-amino-2-deoxy-alpha-D-glucopyranose × 1 CARDIOLIPIN × 1 [(2R)-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] octadecanoate × 1 ;[(2~{R})-1-hexadecanoyloxy-3-[[(1~{S},2~{R},3~{R},4~{S},5~{S},6~{R})-2-hexadecanoyloxy-3,4,5,6-tetrakis(oxidanyl)cyclohexyl]oxy-oxidanyl-phosphoryl]oxy-propan-2-yl] (9~{Z},11~{Z})-octadeca-9,11-dienoate ; × 1 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 PIGT_HUMAN
Isoform —
PDB实体 4
链与序列区间 作者链 T; PDB构建体 4–580; UniProt 2–578

Phosphatidylinositol glycan anchor biosynthesis class U protein

Homo sapiens

UniProt Q9H490

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 5 其他聚合物 1 Glycosylphosphatidylinositol anchor attachment 1 protein × 1 (O43292) GPI-anchor transamidase × 1 (Q92643) GPI transamidase component PIG-S × 1 (Q96S52) GPI transamidase component PIG-T × 1 (Q969N2) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CHOLESTEROL HEMISUCCINATE × 9 Digitonin × 1 (4S,7R)-7-[(hexadecanoyloxy)methyl]-4-hydroxy-N,N,N-trimethyl-4,9-dioxo-3,5,8-trioxa-4lambda~5~-phosphahexacosan-1-aminium × 2 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine × 1 CALCIUM ION × 1 O-[(R)-{[(2R)-2,3-bis(octadecanoyloxy)propyl]oxy}(hydroxy)phosphoryl]-L-serine × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 CHOLESTEROL × 5 2-azanylethyl [(2~{S},3~{S},4~{S},5~{S},6~{R})-6-(hydroxymethyl)-2,4,5-tris(oxidanyl)oxan-3-yl] hydrogen phosphate × 1 2-amino-2-deoxy-alpha-D-glucopyranose × 1 CARDIOLIPIN × 1 [(2R)-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] octadecanoate × 1 ;[(2~{R})-1-hexadecanoyloxy-3-[[(1~{S},2~{R},3~{R},4~{S},5~{S},6~{R})-2-hexadecanoyloxy-3,4,5,6-tetrakis(oxidanyl)cyclohexyl]oxy-oxidanyl-phosphoryl]oxy-propan-2-yl] (9~{Z},11~{Z})-octadeca-9,11-dienoate ; × 1 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 PIGU_HUMAN
Isoform —
PDB实体 5
链与序列区间 作者链 U; PDB构建体 4–437; UniProt 2–435

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_id7wld
沉积日期 deposition_date2022-01-13
结构标题 titleCryo-EM structure of the human glycosylphosphatidylinositol transamidase complex at 2.53 Angstrom resolution
关键词 keywordsGPI anchoring, GPI-AP, glycosylphosphatidylinositol transamidase, GPI transamidase, membrane protein complex, TRANSFERASE; TRANSFERASE
实验方法 methodELECTRON MICROSCOPY
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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。

7wld__assembly_1__model_1

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

下载该曲线 .dat

7wld__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 个绘图点;横轴和纵轴均采用对数尺度。

7wld__assembly_1__model_1 | P(r) · Pending

新版 assembly/model P(r) 尚未计算 此处仅保留位置,不展示旧数据 r (Angstrom) P(r)
P(r) 将按相同 assembly/model 分别计算和展示。
Rg(Guinier)45.60 Å
Rg(电子密度)45.56 Å
总 Rg45.95 Å
原子数19732
残基数2393
排除体积360210 ų
最大 q0.500 Å⁻¹
Assembly Model 结构单元 聚集说明 状态 CRYSOL 操作
1 1 7wld__assembly_1__model_1 pentameric (5) 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 (19)

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7. 引用文献 (1)