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4OS4

Crystal structure of urokinase-type plasminogen activator (uPA) complexed with bicyclic peptide UK603 (bicyclic 1)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Urokinase-type plasminogen activatorpolymer24527586.41UniProt (P00749)
Pfam (PF00089)
Homo sapiens (human)U-plasminogen activator, uPA, Urokinase-type plasminogen activator long chain A, Urokinase-type plasminogen activator short chain A, Urokinase-type plasminogen activator chain B
2B
(B)
bicyclic peptide UK603 (bicyclic 1)polymer151549.91BIRD (PRD_001224)
3C, D
(A)
SULFATE IONnon-polymer96.12Chemie (SO4)
4E
(A)
GLYCEROLnon-polymer92.11Chemie (GOL)
5F
(A)
ACETATE IONnon-polymer59.01Chemie (ACT)
6G
(A)
CHLORIDE IONnon-polymer35.51Chemie (CL)
7H, I
(A, B)
waterwater18.0197Chemie (HOH)
Sequence modifications
A: 16 - 242 (UniProt: P00749)
PDBExternal DatabaseDetails
Ala 122Cys 299engineered mutation
Gln 145Asn 322engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight29136.3
Non-Polymers*Number of molecules5
Total formula weight378.7
All*Total formula weight29515.0
*Water molecules are not included.

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PDB entries from 2025-12-10

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