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1FYL

SERENDIPITOUS CRYSTAL STRUCTURE CONTAINING THE HEAT SHOCK TRANSCRIPTION FACTOR'S DNA BINDING DOMAIN AND COGNATE DNA IN A HEAD-TO-HEAD ORIENTATION

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(C, D)
HEAD-TO-HEAD HSEpolymer123727.32
2C, D
(A, B)
HEAT SHOCK FACTOR PROTEINpolymer9211091.02UniProt (P22121)
Pfam (PF00447)
Kluyveromyces lactisHEAT SHOCK TRANSCRIPTION FACTOR
3E, F, G, H
(C, D, A, B)
waterwater18.0134Chemie (HOH)
Sequence modifications
A, B: 193 - 284 (UniProt: P22121)
PDBExternal DatabaseDetails
Mse 204Met 204modified residue
Mse 254Met 254modified residue
Mse 268Met 268modified residue
Arg 282Asn 282engineered mutation
His 283Phe 283engineered mutation
Ala 284Lys 284engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight29636.5
All*Total formula weight29636.5
*Water molecules are not included.

239149

PDB entries from 2025-07-23

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