5db4 is a 2 chain structure with sequence from Mycobacteroides abscessus ATCC 19977. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
B1MMZ4_MYCA9 Catalyzes the reversible adenylation of nicotinate mononucleotide (NaMN) to nicotinic acid adenine dinucleotide (NaAD).[HAMAP-Rule:MF_00244]