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7rsi

The cryo-EM map of KIF18A bound to KIFBP

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

KIF-binding protein

Homo sapiens

UniProt Q96EK5

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Kinesin-like protein KIF18A × 1 （Q8NI77） MAGNESIUM ION × 1 ADENOSINE-5'-DIPHOSPHATE × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
6zpg 7rsq 7ryq

3 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
6zph 7rsi 7ryp

3 assemblies

View Construct and Data Evidence
UniProt name KBP_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain B； PDBConstruct 1–621； UniProt 1–621

Kinesin-like protein KIF18A

Homo sapiens

UniProt Q8NI77

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 KIF-binding protein × 1 （Q96EK5） MAGNESIUM ION × 1 ADENOSINE-5'-DIPHOSPHATE × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
3lre 3lre

2 assemblies

Homodimer
3lre

1 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
5oam 5ocu 5ogc 7rsi 9di0 9ymg 9ymg

7 assemblies

View Construct and Data Evidence
UniProt name KI18A_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain C； PDBConstruct 1–353； UniProt 1–353

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_id7rsi
Deposition date deposition_date2021-08-11
Structure title titleThe cryo-EM map of KIF18A bound to KIFBP
Keywords keywordskinesin regualtion protein, MOTOR PROTEIN; MOTOR 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.

7rsi__assembly_1__model_1

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

Download this curve (.dat)

7rsi__assembly_1__model_1 | I(q)

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

7rsi__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）31.33 Å
Rg (electron density)30.70 Å
Total Rg31.43 Å
Atom count10901
Residues686
Excluded volume97464 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 7rsi__assembly_1__model_1 dimeric （2） 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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7. Citations (1)