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5LYO

Crystal structure of the zymogen matriptase catalytic domain

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C
(A, B, C)
Suppressor of tumorigenicity 14 proteinpolymer26529132.73UniProt (Q9Y5Y6)
Pfam (PF00089)
Homo sapiens (Human)Matriptase,Membrane-type serine protease 1,MT-SP1,Prostamin,Serine protease 14,Serine protease TADG-15,Tumor-associated differentially-expressed gene 15 protein
2D, E, F, G, H...
(A, B, C)
SULFATE IONnon-polymer96.121Chemie (SO4)
3AA, Y, Z
(C, A, B)
waterwater18.0167Chemie (HOH)
Sequence modifications
A, B, C: 604 - 855 (UniProt: Q9Y5Y6)
PDBExternal DatabaseDetails
Ser 591-expression tag
Met 592-expression tag
Asn 593-expression tag
Ser 594-expression tag
His 595-expression tag
His 596-expression tag
His 597-expression tag
His 598-expression tag
His 599-expression tag
His 600-expression tag
Gly 601-expression tag
Thr 602-expression tag
Ala 603-expression tag
Ala 614Arg 614engineered mutation
Gln 772Asn 772engineered mutation
Ala 805Ser 805engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight87398.2
Non-Polymers*Number of molecules21
Total formula weight2017.3
All*Total formula weight89415.5
*Water molecules are not included.

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PDB entries from 2025-07-02

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