4k3b is a 1 chain structure with sequence from Neisseria gonorrhoeae FA 1090. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Q5F5W8_NEIG1 Part of the outer membrane protein assembly complex, which is involved in assembly and insertion of beta-barrel proteins into the outer membrane (By similarity).[HAMAP-Rule:MF_01430]