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4PL5

Crystal structure of murine IRE1 in complex with OICR573 inhibitor

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(B, A, C, D)
Serine/threonine-protein kinase/endoribonuclease IRE1polymer43550331.44UniProt (Q9EQY0)
Pfam (PF00069)
Pfam (PF06479)
Mus musculus (Mouse)Endoplasmic reticulum-to-nucleus signaling 1,Inositol-requiring protein 1,Ire1-alpha,IRE1a
2E, H, K, M
(B, A, C, D)
ADENOSINE-5'-DIPHOSPHATEnon-polymer427.24Chemie (ADP)
3F, I, L, N
(B, A, C, D)
MAGNESIUM IONnon-polymer24.34Chemie (MG)
4G
(A)
3-methoxy-5-methyl-4'-(morpholin-4-yl)biphenyl-4-olnon-polymer299.41Chemie (31L)
5J
(A)
2,5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56,59,62,65,68,71,74,77,80-HEPTACOSAOXADOOCTACONTAN-82-OLnon-polymer1221.51Chemie (PEU)
Sequence modifications
B, A, C, D: 550 - 977 (UniProt: Q9EQY0)
PDBExternal DatabaseDetails
Gly 543-expression tag
Ala 544-expression tag
Met 545-expression tag
Asp 546-expression tag
Pro 547-expression tag
Glu 548-expression tag
Phe 549-expression tag
Tyr 772Asn 772engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight201325.5
Non-Polymers*Number of molecules10
Total formula weight3326.8
All*Total formula weight204652.4
*Water molecules are not included.

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PDB entries from 2025-06-25

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