>2NSH_1|Chain A|Phosphoribosylaminoimidazole carboxylase catalytic subunit|Escherichia coli (562)
MSSRNNPARVAIVMGSKSDWATMQFAAEIFEILNVPHHVEVVSAQRTPDKLFSFAESAEENGYQVIIAGAGGAAHLPGMIAAKTLVPVLGVPVQSAALSGVDSLYSIVQMPRGIPVGTLAIGKAGAANAALLAAQILATHDKELHQRLNDWRKAQTDEVLENPDPRGAA