1kbe

Solution structure of the cysteine-rich C1 domain of Kinase Suppressor of Ras

Method: SOLUTION NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Kinase Suppressor of Ras

Mus musculus

UniProt Q61097

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 ZINC ION × 2 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name KSR1_MOUSE
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–49; UniProt 331–378

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_id1kbe
Deposition date deposition_date2001-11-06
Structure title titleSolution structure of the cysteine-rich C1 domain of Kinase Suppressor of Ras
Keywords keywordsKinase Suppressor of Ras, KSR, Cysteine-rich domain, Zinc-binding protein, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodSOLUTION NMR
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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.

1kbe__assembly_1__model_1

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

Download this curve (.dat)

1kbe__assembly_1__model_1 | I(q)

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

1kbe__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)12.12 Å
Rg (electron density)11.18 Å
Total Rg12.42 Å
Atom count778
Residues49
Excluded volume6923 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1kbe__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 (2)

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1kbea1
Class classg — Small proteins
Fold Fold foldg.49 — Cysteine-rich domain
Superfamily Superfamily superfamilyg.49.1 — Cysteine-rich domain
Family Family familyg.49.1.1 — Protein kinase cysteine-rich domain (cys2, phorbol-binding domain)
Domain ID domain_idd1kbea2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (1 domains)

Domain ID domain_id1kbeA00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology60 — Wheat Germ Agglutinin (Isolectin 2); domain 1
Homologous superfamily homologous superfamily20 —
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7. Citations (1)