TY - RPRT TI - GTPase-activating proteins: helping hands to complement an active site. AU - K Scheffzek AU - M R Ahmadian AU - A Wittinghofer PY - 1998 DO - 10.1016/s0968-0004(98)01224-9 UR - https://pubmed.ncbi.nlm.nih.gov/9697416/ ID - 9697416 ER -