4ntz is a 1 chain structure with sequence from Streptococcus pneumoniae D39. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
KAD_STRP2 Catalyzes the reversible transfer of the terminal phosphate group between ATP and AMP. Plays an important role in cellular energy homeostasis and in adenine nucleotide metabolism (By similarity).