Fix rate constant for G12A
Fix rate constant for G12A

johnbachman/rasmodel,sorgerlab/rasmodel,jmuhlich/rasmodel,sorgerlab/rasmodel,jmuhlich/rasmodel,sorgerlab/ras_model,johnbachman/ras_model,jmuhlich/ras_model,jmuhlich/ras_model,johnbachman/rasmodel,sorgerlab/ras_model,johnbachman/ras_model