2cj3
From Proteopedia
CRYSTAL STRUCTURE OF PLASTOCYANIN FROM A CYANOBACTERIUM, ANABAENA VARIABILIS
Function
[PLAS_ANASP] Participates in electron transfer between P700 and the cytochrome b6-f complex in photosystem I.
About this Structure
2cj3 is a 2 chain structure with sequence from Anabaena sp.. Full crystallographic information is available from OCA.