>tr|O54449|O54449_AZOVI PII-protein OS=Azotobacter vinelandii GN=glnB MKLVTAIIKPFKLDDVRESLSEIGVQGITVTEVKGFGRQKGHTELYRGAEYVVDFLPKVK IDVAIEDSQLDHVIEAITKAANTGKIGDGKIFVVNLEQAIRIRTGETGTDAI