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6d28

Crystal Structure of the N-domain of the ER Hsp90 chaperone GRP94 in complex with the specific ligand NECA

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Endoplasmin

Canis lupus familiaris

UniProt P41148

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 ;N-ETHYL-5'-CARBOXAMIDO ADENOSINE ; × 1 1-METHOXY-2-(2-METHOXYETHOXY)ETHANE × 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1qy8 1qye 1u0z 1u0z 1u2o 1u2o 1ysz 1yt0 1yt1 1yt1 1yt2 2esa

53 assemblies; showing the first 12

Homodimer
1tbw 1tc0 1tc6 2exl 2fyp 2gfd 2o1t 2o1t 2o1t 2o1t 2o1t 2o1u

18 assemblies; showing the first 12

Homotetramer
1tc0 1tc6 5wmt

3 assemblies

Other homooligomers
1tc0 1tc6 1tc6

3 assemblies

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name ENPL_CANLF
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 5–273； UniProt 69–337

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_id6d28
Deposition date deposition_date2018-04-13
Structure title titleCrystal Structure of the N-domain of the ER Hsp90 chaperone GRP94 in complex with the specific ligand NECA
Keywords keywordsHsp90, Grp94, NECA, inhibitor, CHAPERONE; CHAPERONE
Experimental Method methodX-RAY DIFFRACTION
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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.

6d28__assembly_1__model_1

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

Download this curve (.dat)

6d28__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

6d28__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）18.66 Å
Rg (electron density)17.34 Å
Total Rg18.40 Å
Atom count1753
Residues225
Excluded volume31174 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 6d28__assembly_1__model_1 monomeric （1） 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 (4)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd6d28a_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.122 — ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase
Superfamily Superfamily superfamilyd.122.1 — ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase
Family Family familyd.122.1.1 — Heat shock protein 90, HSP90, N-terminal domain

CATH v4.4 (1 domains)

Domain ID domain_id6d28A00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology565 — Heat Shock Protein 90
Homologous superfamily homologous superfamily10 — Histidine kinase-like ATPase, C-terminal domain
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7. Citations (1)