6s7t

Cryo-EM structure of human oligosaccharyltransferase complex OST-B

Method: ELECTRON MICROSCOPY

▼

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

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3B

物种未注明

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 10 其他聚合物 4	Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 4 × 1 （P0C6T2） Transmembrane protein 258 × 1 （P61165） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit DAD1 × 1 （P61803） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 × 1 （P04843） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 2 × 1 （P04844） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase 48 kDa subunit × 1 （A0A024RAD5） Magnesium transporter protein 1 × 1 （Q9H0U3） Malectin × 1 （Q14165） PEPTIDE × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)-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 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]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 (4R,7R)-4-hydroxy-N,N,N-trimethyl-4,9-dioxo-7-[(undecanoyloxy)methyl]-3,5,8-trioxa-4lambda~5~-phosphadocosan-1-aminium × 10 ;(2~{S},3~{R},4~{R},5~{S},6~{S})-2-(hydroxymethyl)-6-[(1~{S},2~{R},3~{R},4~{R},5'~{S},6~{S},7~{R},8~{S},9~{R},12~{R},13~{R},15~{S},16~{S},18~{R})-5',7,9,13-tetramethyl-3,15-bis(oxidanyl)spiro[5-oxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icosane-6,2'-oxane]-16-yl]oxy-oxane-3,4,5-triol ; × 13 MAGNESIUM ION × 2 (2Z,6Z,10Z,14Z,18Z,22Z,26Z)-3,7,11,15,19,23,27,31-octamethyldotriaconta-2,6,10,14,18,22,26,30-octaen-1-yl dihydrogen phosphate × 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	STT3B_HUMAN
Isoform	—
PDB实体	1
链与序列区间	作者链 A； PDB构建体 1–826； UniProt 1–826

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 4

物种未注明

UniProt P0C6T2

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 10 其他聚合物 4	Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3B × 1 （Q8TCJ2） Transmembrane protein 258 × 1 （P61165） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit DAD1 × 1 （P61803） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 × 1 （P04843） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 2 × 1 （P04844） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase 48 kDa subunit × 1 （A0A024RAD5） Magnesium transporter protein 1 × 1 （Q9H0U3） Malectin × 1 （Q14165） PEPTIDE × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)-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 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]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 (4R,7R)-4-hydroxy-N,N,N-trimethyl-4,9-dioxo-7-[(undecanoyloxy)methyl]-3,5,8-trioxa-4lambda~5~-phosphadocosan-1-aminium × 10 ;(2~{S},3~{R},4~{R},5~{S},6~{S})-2-(hydroxymethyl)-6-[(1~{S},2~{R},3~{R},4~{R},5'~{S},6~{S},7~{R},8~{S},9~{R},12~{R},13~{R},15~{S},16~{S},18~{R})-5',7,9,13-tetramethyl-3,15-bis(oxidanyl)spiro[5-oxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icosane-6,2'-oxane]-16-yl]oxy-oxane-3,4,5-triol ; × 13 MAGNESIUM ION × 2 (2Z,6Z,10Z,14Z,18Z,22Z,26Z)-3,7,11,15,19,23,27,31-octamethyldotriaconta-2,6,10,14,18,22,26,30-octaen-1-yl dihydrogen phosphate × 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	OST4_HUMAN
Isoform	—
PDB实体	2
链与序列区间	作者链 B； PDB构建体 1–37； UniProt 1–37

Transmembrane protein 258

物种未注明

UniProt P61165

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 10 其他聚合物 4	Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3B × 1 （Q8TCJ2） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 4 × 1 （P0C6T2） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit DAD1 × 1 （P61803） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 × 1 （P04843） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 2 × 1 （P04844） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase 48 kDa subunit × 1 （A0A024RAD5） Magnesium transporter protein 1 × 1 （Q9H0U3） Malectin × 1 （Q14165） PEPTIDE × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)-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 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]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 (4R,7R)-4-hydroxy-N,N,N-trimethyl-4,9-dioxo-7-[(undecanoyloxy)methyl]-3,5,8-trioxa-4lambda~5~-phosphadocosan-1-aminium × 10 ;(2~{S},3~{R},4~{R},5~{S},6~{S})-2-(hydroxymethyl)-6-[(1~{S},2~{R},3~{R},4~{R},5'~{S},6~{S},7~{R},8~{S},9~{R},12~{R},13~{R},15~{S},16~{S},18~{R})-5',7,9,13-tetramethyl-3,15-bis(oxidanyl)spiro[5-oxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icosane-6,2'-oxane]-16-yl]oxy-oxane-3,4,5-triol ; × 13 MAGNESIUM ION × 2 (2Z,6Z,10Z,14Z,18Z,22Z,26Z)-3,7,11,15,19,23,27,31-octamethyldotriaconta-2,6,10,14,18,22,26,30-octaen-1-yl dihydrogen phosphate × 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	TM258_HUMAN
Isoform	—
PDB实体	3
链与序列区间	作者链 C； PDB构建体 1–79； UniProt 1–79

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit DAD1

物种未注明

UniProt P61803

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 10 其他聚合物 4	Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3B × 1 （Q8TCJ2） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 4 × 1 （P0C6T2） Transmembrane protein 258 × 1 （P61165） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 × 1 （P04843） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 2 × 1 （P04844） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase 48 kDa subunit × 1 （A0A024RAD5） Magnesium transporter protein 1 × 1 （Q9H0U3） Malectin × 1 （Q14165） PEPTIDE × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)-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 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]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 (4R,7R)-4-hydroxy-N,N,N-trimethyl-4,9-dioxo-7-[(undecanoyloxy)methyl]-3,5,8-trioxa-4lambda~5~-phosphadocosan-1-aminium × 10 ;(2~{S},3~{R},4~{R},5~{S},6~{S})-2-(hydroxymethyl)-6-[(1~{S},2~{R},3~{R},4~{R},5'~{S},6~{S},7~{R},8~{S},9~{R},12~{R},13~{R},15~{S},16~{S},18~{R})-5',7,9,13-tetramethyl-3,15-bis(oxidanyl)spiro[5-oxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icosane-6,2'-oxane]-16-yl]oxy-oxane-3,4,5-triol ; × 13 MAGNESIUM ION × 2 (2Z,6Z,10Z,14Z,18Z,22Z,26Z)-3,7,11,15,19,23,27,31-octamethyldotriaconta-2,6,10,14,18,22,26,30-octaen-1-yl dihydrogen phosphate × 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	DAD1_HUMAN
Isoform	—
PDB实体	4
链与序列区间	作者链 D； PDB构建体 1–113； UniProt 1–113

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1

物种未注明

UniProt P04843

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 10 其他聚合物 4	Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3B × 1 （Q8TCJ2） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 4 × 1 （P0C6T2） Transmembrane protein 258 × 1 （P61165） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit DAD1 × 1 （P61803） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 2 × 1 （P04844） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase 48 kDa subunit × 1 （A0A024RAD5） Magnesium transporter protein 1 × 1 （Q9H0U3） Malectin × 1 （Q14165） PEPTIDE × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)-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 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]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 (4R,7R)-4-hydroxy-N,N,N-trimethyl-4,9-dioxo-7-[(undecanoyloxy)methyl]-3,5,8-trioxa-4lambda~5~-phosphadocosan-1-aminium × 10 ;(2~{S},3~{R},4~{R},5~{S},6~{S})-2-(hydroxymethyl)-6-[(1~{S},2~{R},3~{R},4~{R},5'~{S},6~{S},7~{R},8~{S},9~{R},12~{R},13~{R},15~{S},16~{S},18~{R})-5',7,9,13-tetramethyl-3,15-bis(oxidanyl)spiro[5-oxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icosane-6,2'-oxane]-16-yl]oxy-oxane-3,4,5-triol ; × 13 MAGNESIUM ION × 2 (2Z,6Z,10Z,14Z,18Z,22Z,26Z)-3,7,11,15,19,23,27,31-octamethyldotriaconta-2,6,10,14,18,22,26,30-octaen-1-yl dihydrogen phosphate × 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	RPN1_HUMAN
Isoform	—
PDB实体	5
链与序列区间	作者链 E； PDB构建体 1–607； UniProt 1–607

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 2

物种未注明

UniProt P04844

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 10 其他聚合物 4	Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3B × 1 （Q8TCJ2） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 4 × 1 （P0C6T2） Transmembrane protein 258 × 1 （P61165） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit DAD1 × 1 （P61803） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 × 1 （P04843） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase 48 kDa subunit × 1 （A0A024RAD5） Magnesium transporter protein 1 × 1 （Q9H0U3） Malectin × 1 （Q14165） PEPTIDE × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)-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 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]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 (4R,7R)-4-hydroxy-N,N,N-trimethyl-4,9-dioxo-7-[(undecanoyloxy)methyl]-3,5,8-trioxa-4lambda~5~-phosphadocosan-1-aminium × 10 ;(2~{S},3~{R},4~{R},5~{S},6~{S})-2-(hydroxymethyl)-6-[(1~{S},2~{R},3~{R},4~{R},5'~{S},6~{S},7~{R},8~{S},9~{R},12~{R},13~{R},15~{S},16~{S},18~{R})-5',7,9,13-tetramethyl-3,15-bis(oxidanyl)spiro[5-oxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icosane-6,2'-oxane]-16-yl]oxy-oxane-3,4,5-triol ; × 13 MAGNESIUM ION × 2 (2Z,6Z,10Z,14Z,18Z,22Z,26Z)-3,7,11,15,19,23,27,31-octamethyldotriaconta-2,6,10,14,18,22,26,30-octaen-1-yl dihydrogen phosphate × 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	RPN2_HUMAN
Isoform	—
PDB实体	6
链与序列区间	作者链 F； PDB构建体 1–631； UniProt 1–631

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase 48 kDa subunit

物种未注明

UniProt A0A024RAD5

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 10 其他聚合物 4	Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3B × 1 （Q8TCJ2） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 4 × 1 （P0C6T2） Transmembrane protein 258 × 1 （P61165） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit DAD1 × 1 （P61803） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 × 1 （P04843） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 2 × 1 （P04844） Magnesium transporter protein 1 × 1 （Q9H0U3） Malectin × 1 （Q14165） PEPTIDE × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)-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 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]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 (4R,7R)-4-hydroxy-N,N,N-trimethyl-4,9-dioxo-7-[(undecanoyloxy)methyl]-3,5,8-trioxa-4lambda~5~-phosphadocosan-1-aminium × 10 ;(2~{S},3~{R},4~{R},5~{S},6~{S})-2-(hydroxymethyl)-6-[(1~{S},2~{R},3~{R},4~{R},5'~{S},6~{S},7~{R},8~{S},9~{R},12~{R},13~{R},15~{S},16~{S},18~{R})-5',7,9,13-tetramethyl-3,15-bis(oxidanyl)spiro[5-oxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icosane-6,2'-oxane]-16-yl]oxy-oxane-3,4,5-triol ; × 13 MAGNESIUM ION × 2 (2Z,6Z,10Z,14Z,18Z,22Z,26Z)-3,7,11,15,19,23,27,31-octamethyldotriaconta-2,6,10,14,18,22,26,30-octaen-1-yl dihydrogen phosphate × 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	A0A024RAD5_HUMAN
Isoform	—
PDB实体	7
链与序列区间	作者链 G； PDB构建体 1–456； UniProt 1–456

Magnesium transporter protein 1

Homo sapiens

UniProt Q9H0U3

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 10 其他聚合物 4	Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3B × 1 （Q8TCJ2） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 4 × 1 （P0C6T2） Transmembrane protein 258 × 1 （P61165） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit DAD1 × 1 （P61803） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 × 1 （P04843） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 2 × 1 （P04844） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase 48 kDa subunit × 1 （A0A024RAD5） Malectin × 1 （Q14165） PEPTIDE × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)-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 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]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 (4R,7R)-4-hydroxy-N,N,N-trimethyl-4,9-dioxo-7-[(undecanoyloxy)methyl]-3,5,8-trioxa-4lambda~5~-phosphadocosan-1-aminium × 10 ;(2~{S},3~{R},4~{R},5~{S},6~{S})-2-(hydroxymethyl)-6-[(1~{S},2~{R},3~{R},4~{R},5'~{S},6~{S},7~{R},8~{S},9~{R},12~{R},13~{R},15~{S},16~{S},18~{R})-5',7,9,13-tetramethyl-3,15-bis(oxidanyl)spiro[5-oxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icosane-6,2'-oxane]-16-yl]oxy-oxane-3,4,5-triol ; × 13 MAGNESIUM ION × 2 (2Z,6Z,10Z,14Z,18Z,22Z,26Z)-3,7,11,15,19,23,27,31-octamethyldotriaconta-2,6,10,14,18,22,26,30-octaen-1-yl dihydrogen phosphate × 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	MAGT1_HUMAN
Isoform	—
PDB实体	8
链与序列区间	作者链 H； PDB构建体 1–335； UniProt 1–335

Malectin

物种未注明

UniProt Q14165

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 10 其他聚合物 4	Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3B × 1 （Q8TCJ2） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 4 × 1 （P0C6T2） Transmembrane protein 258 × 1 （P61165） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit DAD1 × 1 （P61803） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 × 1 （P04843） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 2 × 1 （P04844） Dolichyl-diphosphooligosaccharide--protein glycosyltransferase 48 kDa subunit × 1 （A0A024RAD5） Magnesium transporter protein 1 × 1 （Q9H0U3） PEPTIDE × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)-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 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]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 (4R,7R)-4-hydroxy-N,N,N-trimethyl-4,9-dioxo-7-[(undecanoyloxy)methyl]-3,5,8-trioxa-4lambda~5~-phosphadocosan-1-aminium × 10 ;(2~{S},3~{R},4~{R},5~{S},6~{S})-2-(hydroxymethyl)-6-[(1~{S},2~{R},3~{R},4~{R},5'~{S},6~{S},7~{R},8~{S},9~{R},12~{R},13~{R},15~{S},16~{S},18~{R})-5',7,9,13-tetramethyl-3,15-bis(oxidanyl)spiro[5-oxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icosane-6,2'-oxane]-16-yl]oxy-oxane-3,4,5-triol ; × 13 MAGNESIUM ION × 2 (2Z,6Z,10Z,14Z,18Z,22Z,26Z)-3,7,11,15,19,23,27,31-octamethyldotriaconta-2,6,10,14,18,22,26,30-octaen-1-yl dihydrogen phosphate × 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	MLEC_HUMAN
Isoform	—
PDB实体	9
链与序列区间	作者链 I； PDB构建体 1–292； UniProt 1–292

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	6s7t
沉积日期 deposition_date	2019-07-05
结构标题 title	Cryo-EM structure of human oligosaccharyltransferase complex OST-B
关键词 keywords	N-glycosylation, Oligosaccharyltransferase, OSTB, TRANSFERASE; TRANSFERASE
实验方法 method	ELECTRON MICROSCOPY

▼

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。

6s7t__assembly_1__model_1

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

下载该曲线 .dat

6s7t__assembly_1__model_1 | I(q)

100 个绘图点；横轴和纵轴均采用对数尺度。

6s7t__assembly_1__model_1 | P(r) · Pending

P(r) 将按相同 assembly/model 分别计算和展示。

Rg（Guinier）	47.50 Å
Rg（电子密度）	47.38 Å
总 Rg	47.61 Å
原子数	18445
残基数	2164
排除体积	335900 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	`6s7t__assembly_1__model_1`	decameric （10）	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 (17)

实体 1 Entity 1 polymer

描述 description	Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3B
分子量 formula_weight	93781.0 kDa
EC 编号 ec_number	2.4.99.18
来源方法 src_method	nat
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	18445

MAEPSAPESKHKSSLNSSPWSGLMALGNSRHGHHGPGAQCAHKAAGGAAPPKPAPAGLSGGLSQPAGWQSLLSFTILFLAWLAGFSSRLFAVIRFESIIHEFDPWFNYRSTHHLASHGFYEFLNWFDERAWYPLGRIVGGTVYPGLMITAGLIHWILNTLNITVHIRDVCVFLAPTFSGLTSISTFLLTRELWNQGAGLLAACFIAIVPGYISRSVAGSFDNEGIAIFALQFTYYLWVKSVKTGSVFWTMCCCLSYFYMVSAWGGYVFIINLIPLHVFVLLLMQRYSKRVYIAYSTFYIVGLILSMQIPFVGFQPIRTSEHMAAAGVFALLQAYAFLQYLRDRLTKQEFQTLFFLGVSLAAGAVFLSVIYLTYTGYIAPWSGRFYSLWDTGYAKIHIPIIASVSEHQPTTWVSFFFDLHILVCTFPAGLWFCIKNINDERVFVALYAISAVYFAGVMVRLMLTLTPVVCMLSAIAFSNVFEHYLGDDMKRENPPVEDSSDEDDKRNQGNLYDKAGKVRKHATEQEKTEEGLGPNIKSIVTMLMLMLLMMFAVHCTWVTSNAYSSPSVVLASYNHDGTRNILDDFREAYFWLRQNTDEHARVMSWWDYGYQIAGMANRTTLVDNNTWNNSHIALVGKAMSSNETAAYKIMRTLDVDYVLVIFGGVIGYSGDDINKFLWMVRIAEGEHPKDIRESDYFTPQGEFRVDKAGSPTLLNCLMYKMSYYRFGEMQLDFRTPPGFDRTRNAEIGNKDIKFKHLEEAFTSEHWLVRIYKVKAPDNRETLDHKPRVTNIFPKQKYLSKKTTKRKRGYIKNKLVFKKGKKISKKTV

实体 2 Entity 2 polymer

描述 description	Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 4
分子量 formula_weight	4196.0 kDa
来源方法 src_method	nat
拷贝数 entity_count	1

聚合物 Polymer

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

MITDVQLAIFANMLGVSLFLLVVLYHYVAVNNPKKQE

实体 3 Entity 3 polymer

描述 description	Transmembrane protein 258
分子量 formula_weight	9083.8 kDa
来源方法 src_method	nat
拷贝数 entity_count	1

聚合物 Polymer

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

MELEAMSRYTSPVNPAVFPHLTVVLLAIGMFFTAWFFVYEVTSTKYTRDIYKELLISLVASLFMGFGVLFLLLWVGIYV

实体 4 Entity 4 polymer

描述 description	Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit DAD1
分子量 formula_weight	12503.6 kDa
来源方法 src_method	nat
拷贝数 entity_count	1

聚合物 Polymer

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

MSASVVSVISRFLEEYLSSTPQRLKLLDAYLLYILLTGALQFGYCLLVGTFPFNSFLSGFISCVGSFILAVCLRIQINPQNKADFQGISPERAFADFLFASTILHLVVMNFVG

实体 5 Entity 5 polymer

描述 description	Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1
分子量 formula_weight	68656.2 kDa
来源方法 src_method	nat
拷贝数 entity_count	1

聚合物 Polymer

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

MEAPAAGLFLLLLLGTWAPAPGSASSEAPPLINEDVKRTVDLSSHLAKVTAEVVLAHLGGGSTSRATSFLLALEPELEARLAHLGVQVKGEDEEENNLEVRETKIKGKSGRFFTVKLPVALDPGAKISVIVETVYTHVLHPYPTQITQSEKQFVVFEGNHYFYSPYPTKTQTMRVKLASRNVESYTKLGNPTRSEDLLDYGPFRDVPAYSQDTFKVHYENNSPFLTITSMTRVIEVSHWGNIAVEENVDLKHTGAVLKGPFSRYDYQRQPDSGISSIRSFKTILPAAAQDVYYRDEIGNVSTSHLLILDDSVEMEIRPRFPLFGGWKTHYIVGYNLPSYEYLYNLGDQYALKMRFVDHVFDEQVIDSLTVKIILPEGAKNIEIDSPYEISRAPDELHYTYLDTFGRPVIVAYKKNLVEQHIQDIVVHYTFNKVLMLQEPLLVVAAFYILFFTVIIYVRLDFSITKDPAAEARMKVACITEQVLTLVNKRIGLYRHFDETVNRYKQSRDISTLNSGKKSLETEHKALTSEIALLQSRLKTEGSDLCDRVSEMQKLDAQVKELVLKSAVEAERLVAGKLKKDTYIENEKLISGKRQELVTKIDHILDAL

实体 6 Entity 6 polymer

描述 description	Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 2
分子量 formula_weight	69347.5 kDa
来源方法 src_method	nat
拷贝数 entity_count	1

聚合物 Polymer

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

MAPPGSSTVFLLALTIIASTWALTPTHYLTKHDVERLKASLDRPFTNLESAFYSIVGLSSLGAQVPDAKKACTYIRSNLDPSNVDSLFYAAQASQALSGCEISISNETKDLLLAAVSEDSSVTQIYHAVAALSGFGLPLASQEALSALTARLSKEETVLATVQALQTASHLSQQADLRSIVEEIEDLVARLDELGGVYLQFEEGLETTALFVAATYKLMDHVGTEPSIKEDQVIQLMNAIFSKKNFESLSEAFSVASAAAVLSHNRYHVPVVVVPEGSASDTHEQAILRLQVTNVLSQPLTQATVKLEHAKSVASRATVLQKTSFTPVGDVFELNFMNVKFSSGYYDFLVEVEGDNRYIANTVELRVKISTEVGITNVDLSTVDKDQSIAPKTTRVTYPAKAKGTFIADSHQNFALFFQLVDVNTGAELTPHQTFVRLHNQKTGQEVVFVAEPDNKNVYKFELDTSERKIEFDSASGTYTLYLIIGDATLKNPILWNVADVVIKFPEEEAPSTVLSQNLFTPKQEIQHLFREPEKRPPTVVSNTFTALILSPLLLLFALWIRIGANVSNFTFAPSTIIFHLGHAAMLGLMYVYWTQLNMFQTLKYLAILGSVTFLAGNRMLAQQAVKRTAH

实体 7 Entity 7 polymer

描述 description	Dolichyl-diphosphooligosaccharide--protein glycosyltransferase 48 kDa subunit
分子量 formula_weight	50754.4 kDa
来源方法 src_method	nat
拷贝数 entity_count	1

聚合物 Polymer

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

MGYFRCAGAGSFGRRRKMEPSTAARAWALFWLLLPLLGAVCASGPRTLVLLDNLNVRETHSLFFRSLKDRGFELTFKTADDPSLSLIKYGEFLYDNLIIFSPSVEDFGGNINVETISAFIDGGGSVLVAASSDIGDPLRELGSECGIEFDEEKTAVIDHHNYDISDLGQHTLIVADTENLLKAPTIVGKSSLNPILFRGVGMVADPDNPLVLDILTGSSTSYSFFPDKPITQYPHAVGKNTLLIAGLQARNNARVIFSGSLDFFSDSFFNSAVQKAAPGSQRYSQTGNYELAVALSRWVFKEEGVLRVGPVSHHRVGETAPPNAYTVTDLVEYSIVIQQLSNGKWVPFDGDDIQLEFVRIDPFVRTFLKKKGGKYSVQFKLPDVYGVFQFKVDYNRLGYTHLYSSTQVSVRPLQHTQYERFIPSAYPYYASAFSMMLGLFIFSIVFLHMKEKEKSD

实体 8 Entity 8 polymer

描述 description	Magnesium transporter protein 1
分子量 formula_weight	38081.6 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	H

MAARWRFWCVSVTMVVALLIVCDVPSASAQRKKEMVLSEKVSQLMEWTNKRPVIRMNGDKFRRLVKAPPRNYSVIVMFTALQLHRQCVVCKQADEEFQILANSWRYSSAFTNRIFFAMVDFDEGSDVFQMLNMNSAPTFINFPAKGKPKRGDTYELQVRGFSAEQIARWIADRTDVNIRVIRPPNYAGPLMLGLLLAVIGGLVYLRRSNMEFLFNKTGWAFAALCFVLAMTSGQMWNHIRGPPYAHKNPHTGHVNYIHGSSQAQFVAETHIVLLFNGGVTLGMVLLCEAATSDMDIGKRKIMCVAGIGLVVLFFSWMLSIFRSKYHGYPYSFLMS

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
宿主生物 host_organism	Homo sapiens

实体 9 Entity 9 polymer

描述 description	Malectin
分子量 formula_weight	32270.8 kDa
来源方法 src_method	nat
拷贝数 entity_count	1

聚合物 Polymer

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

MLGAWAVEGTAVALLRLLLLLLPPAIRGPGLGVAGVAGAAGAGLPESVIWAVNAGGEAHVDVHGIHFRKDPLEGRVGRASDYGMKLPILRSNPEDQILYQTERYNEETFGYEVPIKEEGDYVLVLKFAEVYFAQSQQKVFDVRLNGHVVVKDLDIFDRVGHSTAHDEIIPMSIRKGKLSVQGEVSTFTGKLYIEFVKGYYDNPKVCALYIMAGTVDDVPKLQPHPGLEKKEEEEEEEEYDEGSNLKKQTNKNRVQSGPRTPNPYASDNSSLMFPILVAFGVFIPTLFCLCRL

实体 10 Entity 10 polymer

描述 description	PEPTIDE
分子量 formula_weight	588.6 kDa
来源方法 src_method	nat
拷贝数 entity_count	1

聚合物 Polymer

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

AANATAA

实体 11 Entity 11 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	2

实体 12 Entity 12 branched

描述 description	;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)-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	1397.2 kDa
来源方法 src_method	man
拷贝数 entity_count	1

实体 13 Entity 13 branched

描述 description	;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]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	1397.2 kDa
来源方法 src_method	man
拷贝数 entity_count	1

实体 14 Entity 14 non-polymer

描述 description	(4R,7R)-4-hydroxy-N,N,N-trimethyl-4,9-dioxo-7-[(undecanoyloxy)methyl]-3,5,8-trioxa-4lambda~5~-phosphadocosan-1-aminium
分子量 formula_weight	636.9 kDa
来源方法 src_method	man
拷贝数 entity_count	10

实体 15 Entity 15 non-polymer

描述 description	;(2~{S},3~{R},4~{R},5~{S},6~{S})-2-(hydroxymethyl)-6-[(1~{S},2~{R},3~{R},4~{R},5'~{S},6~{S},7~{R},8~{S},9~{R},12~{R},13~{R},15~{S},16~{S},18~{R})-5',7,9,13-tetramethyl-3,15-bis(oxidanyl)spiro[5-oxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icosane-6,2'-oxane]-16-yl]oxy-oxane-3,4,5-triol ;
分子量 formula_weight	610.8 kDa
来源方法 src_method	man
拷贝数 entity_count	13

实体 16 Entity 16 non-polymer

描述 description	MAGNESIUM ION
分子量 formula_weight	24.3 kDa
来源方法 src_method	man
拷贝数 entity_count	2

实体 17 Entity 17 non-polymer

描述 description	(2Z,6Z,10Z,14Z,18Z,22Z,26Z)-3,7,11,15,19,23,27,31-octamethyldotriaconta-2,6,10,14,18,22,26,30-octaen-1-yl dihydrogen phosphate
分子量 formula_weight	642.9 kDa
来源方法 src_method	man
拷贝数 entity_count	1

▶

晶胞边长 a length_a	1.000 Å
晶胞边长 b length_b	1.000 Å
晶胞边长 c length_c	1.000 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	—

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

分辨率 resolution	3.50 Å
分辨率测定方法 resolution_method	—
颗粒数 num_particles	249725

Cryo-EM structure of human oligosaccharyltransferase complex OST-B

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

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3B

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

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 4

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

Transmembrane protein 258

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

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit DAD1

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

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 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

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 2

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

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase 48 kDa subunit

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

Magnesium transporter 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

Malectin

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

6s7t__assembly_1__model_1

6s7t__assembly_1__model_1 | I(q)

6s7t__assembly_1__model_1 | P(r) · Pending

4. 晶体学与实验 4. Crystallography & Experiment