>3ztb_A mol:protein length:123 ANTI-SIGMA-FACTOR ANTAGONIST (STAS) DOMAIN PROTEINMSSRVPILKVDDYWVVAIEETLHDQSVIQFKEELLHNITGVAGKGLVIDISALEVVDSFVTRVLIEISRLAELLGLPFVLTGIKPAVAITLTEMGLDLRGMATALNLQKGLDKLKNLARMEQR