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5k5h

Homo sapiens CCCTC-binding factor (CTCF) ZnF4-7 and DNA complex structure

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

Transcriptional repressor CTCF

Homo sapiens

UniProt P49711

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Monomer Protein 1 DNA 2 ;DNA (5'-D(*CP*AP*GP*CP*AP*GP*GP*GP*GP*GP*CP*GP*C)-3') ; × 1 ;DNA (5'-D(*CP*GP*CP*CP*CP*CP*CP*TP*GP*CP*TP*GP*G)-3') ; × 1 ZINC ION × 4 water × 3 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer
1x6h 2ct1

2 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
5k5h 5k5i 5k5j 5k5l 5kkq 5kkq 5t00 5t00 5t0u 5t0u 5und 5und

33 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name CTCF_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 6–122； UniProt 348–464

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_id5k5h
Deposition date deposition_date2016-05-23
Structure title titleHomo sapiens CCCTC-binding factor (CTCF) ZnF4-7 and DNA complex structure
Keywords keywordsCCCTC-binding factor, CTCF, zinc finger, TRANSCRIPTION-DNA complex; TRANSCRIPTION/DNA
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.

5k5h__assembly_1__model_1

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

Download this curve (.dat)

5k5h__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.

5k5h__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）17.91 Å
Rg (electron density)17.61 Å
Total Rg18.40 Å
Atom count1437
Residues137
Excluded volume23721 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 5k5h__assembly_1__model_1 trimeric （3） 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 (5)

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7. Citations (1)