4a1k is a 1 chain structure with sequence from Bacillus subtilis. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
YKUD_BACSU Probable enzyme that may play an important role in cell wall biology.[1]
References
↑Bielnicki J, Devedjiev Y, Derewenda U, Dauter Z, Joachimiak A, Derewenda ZS. B. subtilis ykuD protein at 2.0 A resolution: insights into the structure and function of a novel, ubiquitous family of bacterial enzymes. Proteins. 2006 Jan 1;62(1):144-51. PMID:16287140 doi:10.1002/prot.20702