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1PK4

CRYSTAL AND MOLECULAR STRUCTURE OF HUMAN PLASMINOGEN KRINGLE 4 REFINED AT 1.9-ANGSTROMS RESOLUTION

Functional Information from PDB Data
site_idAC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SO4 A 100
ChainResidue
AARG32
ALYS35
ALYS58
APHE64
AARG71
AHOH111
AHOH137

Functional Information from PROSITE/UniProt
site_idPS00021
Number of Residues13
DetailsKRINGLE_1 Kringle domain signature. YCRNpdadkgp.WC
ChainResidueDetails
ATYR50-CYS63

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues77
DetailsDomain: {"description":"Kringle 4","evidences":[{"source":"PROSITE-ProRule","id":"PRU00121","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues20
DetailsRegion: {"description":"Disordered","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues
DetailsM-CSA 425
ChainResidueDetails

250059

PDB entries from 2026-03-04

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