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1EAQ

The RUNX1 Runt domain at 1.25A resolution: A structural switch and specifically bound chloride ions modulate DNA binding

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
RUNT-RELATED TRANSCRIPTION FACTOR 1polymer14015664.22UniProt (Q03347)
Pfam (PF00853)
MUS MUSCULUS (MOUSE)ACUTE MYELOID LEUKEMIA 1 PROTEIN, ONCOGENE AML-1, CORE-BINDING FACTOR, ALPHA B SUBUNIT, CBF-ALPHA B, POLYOMAVIRUS ENHANCER BINDING PROTEIN 2 ALPHA B SUBUNIT, PEBP2-ALPHA B, PEA2-ALPHA B, SL3-3 ENHANCER FACTOR 1 ALPHA B SUBUNIT, SL3/AKV CORE-BINDING FACTOR ALPHA B SUBUNIT
2C, D, E, F
(A, B)
CHLORIDE IONnon-polymer35.54Chemie (CL)
3G, H
(A, B)
waterwater18.0359Chemie (HOH)
Sequence modifications
A, B: 46 - 185 (UniProt: Q03347)
PDBExternal DatabaseDetails
Ser 72Cys 72engineered mutation
Ser 81Cys 81engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight31328.5
Non-Polymers*Number of molecules4
Total formula weight141.8
All*Total formula weight31470.3
*Water molecules are not included.

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PDB entries from 2025-07-23

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