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7E40

Mechanism of Phosphate Sensing and Signaling Revealed by Rice SPX1-PHR2 Complex Structure

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, C
(A, C)
Protein PHOSPHATE STARVATION RESPONSE 2polymer13415554.02UniProt (Q6Z156)
Pfam (PF00249)
Pfam (PF14379)
Oryza sativa subsp. japonica (Rice)OsPHR2
2B, D
(B, D)
SPX domain-containing protein 1,Endolysinpolymer35840828.92UniProt (Q69XJ0)
UniProt (D9IEF7)
Pfam (PF03105)
Pfam (PF00959)
Oryza sativa subsp. japonica (Rice)Protein SPX DOMAIN GENE 1,OsSPX1,Lysis protein,Lysozyme,Muramidase
3E, F, G
(B, D)
INOSITOL HEXAKISPHOSPHATEnon-polymer660.03Chemie (IHP)
4H, I, J
(A, B, D)
waterwater18.017Chemie (HOH)
Sequence modifications
A, C: 248 - 380 (UniProt: Q6Z156)
PDBExternal DatabaseDetails
Ser 247-expression tag
Met 263Val 263engineered mutation
Met 278Leu 278engineered mutation
Met 295Leu 295engineered mutation
Met 340Leu 340engineered mutation
B, D: 1 - 198 (UniProt: Q69XJ0)
PDBExternal DatabaseDetails
Ser 0-expression tag
B, D: 199 - 357 (UniProt: D9IEF7)
PDBExternal DatabaseDetails
Thr 250Cys 54engineered mutation
Ala 293Cys 97engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight112765.9
Non-Polymers*Number of molecules3
Total formula weight1980.1
All*Total formula weight114746.0
*Water molecules are not included.

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PDB entries from 2025-07-09

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