8p6i

Crystal structure of the 139H2 Fab fragment bound to Muc1 peptide epitope

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

Mucin-1

OrganismNot specified

UniProt P15941

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 139H2 HC × 1 139H2 LC × 1 water × 3 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 3 139H2 HC × 1 139H2 LC × 1 water × 3 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name MUC1_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–9; UniProt 141–149 Author chain a; PDBConstruct 1–9; UniProt 141–149

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_id8p6i
Deposition date deposition_date2023-05-26
Structure title titleCrystal structure of the 139H2 Fab fragment bound to Muc1 peptide epitope
Keywords keywordsFab fragment, peptide complex, IMMUNE SYSTEM; IMMUNE SYSTEM
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.

8p6i__assembly_1__model_1

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

Download this curve (.dat)

8p6i__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.

8p6i__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)26.00 Å
Rg (electron density)25.05 Å
Total Rg25.88 Å
Atom count3366
Residues438
Excluded volume59553 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 8p6i__assembly_1__model_1 trimeric (3) Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 8p6i__assembly_2__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 (4)

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7. Citations (1)