7oci

Cryo-EM structure of yeast Ost6p containing oligosaccharyltransferase complex

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1

OrganismNot specified

UniProt P41543

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Heteromer Protein 9 其他Polymer 2 Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST2 × 1 (P46964) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST6 × 1 (Q03723) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST4 × 1 (Q99380) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST5 × 1 (Q92316) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3 × 1 (P39007) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit WBP1 × 1 (P33767) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit SWP1 × 1 (Q02795) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST6 - TM1 × 1 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-(1-2)-alpha-D-mannopyranose-(1-3)-[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 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine × 6 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 Digitonin × 2 MAGNESIUM ION × 1 Dolichylphosphate × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name OST1_YEAST
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–476; UniProt 1–476

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST2

OrganismNot specified

UniProt P46964

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Heteromer Protein 9 其他Polymer 2 Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 × 1 (P41543) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST6 × 1 (Q03723) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST4 × 1 (Q99380) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST5 × 1 (Q92316) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3 × 1 (P39007) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit WBP1 × 1 (P33767) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit SWP1 × 1 (Q02795) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST6 - TM1 × 1 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-(1-2)-alpha-D-mannopyranose-(1-3)-[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 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine × 6 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 Digitonin × 2 MAGNESIUM ION × 1 Dolichylphosphate × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name OST2_YEAST
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–130; UniProt 1–130

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST6

OrganismNot specified

UniProt Q03723

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Heteromer Protein 9 其他Polymer 2 Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 × 1 (P41543) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST2 × 1 (P46964) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST4 × 1 (Q99380) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST5 × 1 (Q92316) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3 × 1 (P39007) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit WBP1 × 1 (P33767) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit SWP1 × 1 (Q02795) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST6 - TM1 × 1 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-(1-2)-alpha-D-mannopyranose-(1-3)-[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 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine × 6 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 Digitonin × 2 MAGNESIUM ION × 1 Dolichylphosphate × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name OST6_YEAST
Isoform —
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–332; UniProt 1–332

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST4

OrganismNot specified

UniProt Q99380

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Heteromer Protein 9 其他Polymer 2 Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 × 1 (P41543) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST2 × 1 (P46964) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST6 × 1 (Q03723) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST5 × 1 (Q92316) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3 × 1 (P39007) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit WBP1 × 1 (P33767) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit SWP1 × 1 (Q02795) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST6 - TM1 × 1 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-(1-2)-alpha-D-mannopyranose-(1-3)-[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 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine × 6 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 Digitonin × 2 MAGNESIUM ION × 1 Dolichylphosphate × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name OST4_YEAST
Isoform —
PDB entities 4
Chains and sequence ranges Author chain D; PDBConstruct 1–36; UniProt 1–36

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST5

OrganismNot specified

UniProt Q92316

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Heteromer Protein 9 其他Polymer 2 Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 × 1 (P41543) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST2 × 1 (P46964) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST6 × 1 (Q03723) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST4 × 1 (Q99380) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3 × 1 (P39007) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit WBP1 × 1 (P33767) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit SWP1 × 1 (Q02795) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST6 - TM1 × 1 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-(1-2)-alpha-D-mannopyranose-(1-3)-[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 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine × 6 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 Digitonin × 2 MAGNESIUM ION × 1 Dolichylphosphate × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name OST5_YEAST
Isoform —
PDB entities 5
Chains and sequence ranges Author chain E; PDBConstruct 1–86; UniProt 1–86

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3

OrganismNot specified

UniProt P39007

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Heteromer Protein 9 其他Polymer 2 Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 × 1 (P41543) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST2 × 1 (P46964) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST6 × 1 (Q03723) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST4 × 1 (Q99380) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST5 × 1 (Q92316) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit WBP1 × 1 (P33767) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit SWP1 × 1 (Q02795) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST6 - TM1 × 1 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-(1-2)-alpha-D-mannopyranose-(1-3)-[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 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine × 6 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 Digitonin × 2 MAGNESIUM ION × 1 Dolichylphosphate × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name STT3_YEAST
Isoform —
PDB entities 6
Chains and sequence ranges Author chain F; PDBConstruct 1–718; UniProt 1–718

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit WBP1

OrganismNot specified

UniProt P33767

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Heteromer Protein 9 其他Polymer 2 Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 × 1 (P41543) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST2 × 1 (P46964) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST6 × 1 (Q03723) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST4 × 1 (Q99380) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST5 × 1 (Q92316) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3 × 1 (P39007) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit SWP1 × 1 (Q02795) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST6 - TM1 × 1 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-(1-2)-alpha-D-mannopyranose-(1-3)-[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 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine × 6 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 Digitonin × 2 MAGNESIUM ION × 1 Dolichylphosphate × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name OSTB_YEAST
Isoform —
PDB entities 7
Chains and sequence ranges Author chain G; PDBConstruct 1–430; UniProt 1–430

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit SWP1

OrganismNot specified

UniProt Q02795

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Heteromer Protein 9 其他Polymer 2 Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 × 1 (P41543) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST2 × 1 (P46964) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST6 × 1 (Q03723) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST4 × 1 (Q99380) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST5 × 1 (Q92316) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3 × 1 (P39007) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit WBP1 × 1 (P33767) Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST6 - TM1 × 1 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-(1-2)-alpha-D-mannopyranose-(1-3)-[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 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine × 6 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 Digitonin × 2 MAGNESIUM ION × 1 Dolichylphosphate × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name OSTD_YEAST
Isoform —
PDB entities 8
Chains and sequence ranges Author chain H; PDBConstruct 1–286; UniProt 1–286

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id7oci
Deposition date deposition_date2021-04-27
Structure title titleCryo-EM structure of yeast Ost6p containing oligosaccharyltransferase complex
Keywords keywordsN-glycosylation, Yeast, Complex, Endoplasmic reticulum, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

7oci__assembly_1__model_1

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

Download this curve (.dat)

7oci__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

7oci__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)46.77 Å
Rg (electron density)46.53 Å
Total Rg46.81 Å
Atom count17077
Residues2095
Excluded volume308820 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 7oci__assembly_1__model_1 nonameric (9) Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (16)

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7. Citations (1)