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4RI0

Serine Protease HtrA3, mutationally inactivated

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C
(A, B, C)
Serine protease HTRA3polymer33236312.33UniProt (P83110)
Pfam (PF13365)
Pfam (PF13180)
Homo sapiens (human)High-temperature requirement factor A3, Pregnancy-related serine protease
2D, E
(A)
PHOSPHATE IONnon-polymer95.02Chemie (PO4)
3F, G
(A, B)
waterwater18.03Chemie (HOH)
Sequence modifications
A, B, C: 130 - 453 (UniProt: P83110)
PDBExternal DatabaseDetails
Ala 305Ser 305engineered mutation
Gly 454-expression tag
Gly 455-expression tag
His 456-expression tag
His 457-expression tag
His 458-expression tag
His 459-expression tag
His 460-expression tag
His 461-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight108936.9
Non-Polymers*Number of molecules2
Total formula weight189.9
All*Total formula weight109126.8
*Water molecules are not included.

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PDB entries from 2025-06-11

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