Sequence Description Alias PCC hrr AAL21996 putative arylsulfatase [Ensembl]. STM3122 0.8880246862461024 1 AAL22258 transcriptional repressor for envCD (acrEF) [Ensembl]. Bacterial regulatory proteins, MAATS-type transcriptional repressor [Interproscan]. STM3389, envR 0.7584112973131117 87