general stress protein, may act as c-di-GMP receptor, required for extracellular polysaccharide synthesis by [[protein|28D80C5497AE29A24AD6B9A1A713A2B3915F2CED]]-[[protein|961538BEDD27C24FC073AFB7AB3268E3D46783CC]]-[[protein|ADE0122D8FFF2F78B6D21031B7D02A323A13ED63]]