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4IS5

Crystal Structure of the ligand-free inactive Matriptase

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Suppressor of tumorigenicity 14 proteinpolymer24126461.81UniProt (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
2B, C, F, H
(A)
SULFATE IONnon-polymer96.14Chemie (SO4)
3D, E, G
(A)
GLYCEROLnon-polymer92.13Chemie (GOL)
PubChem (753)
4I
(A)
GLUTATHIONEnon-polymer307.31Chemie (GSH)
PubChem (124886)
PubChem (54289881)
PubChem (59012062)
PubChem (445616)
PubChem (448041)
PubChem (745)
PubChem (9839547)
PubChem (10924820)
PubChem (15559593)
5J
(A)
waterwater18.0252Chemie (HOH)
Sequence modifications
A: 16 - 244 (UniProt: Q9Y5Y6)
PDBExternal DatabaseDetails
Gln 164Asn 772engineered mutation
Ala 195Ser 805engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight26461.8
Non-Polymers*Number of molecules8
Total formula weight967.9
All*Total formula weight27429.6
*Water molecules are not included.

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PDB entries from 2026-05-13

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