<informationTable xmlns="http://www.sec.gov/edgar/document/thirteenf/informationtable">		<infoTable>
			<nameOfIssuer>CERES INC</nameOfIssuer>
			<titleOfClass>COM NEW</titleOfClass>
			<cusip>156773400</cusip>
			<value>1</value>
			<shrsOrPrnAmt>
				<sshPrnamt>3891</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
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			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>3891</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>LEXICON PHARMACEUTICALS INC</nameOfIssuer>
			<titleOfClass>COM NEW</titleOfClass>
			<cusip>528872302</cusip>
			<value>57515</value>
			<shrsOrPrnAmt>
				<sshPrnamt>4321214</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>4321214</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
</informationTable>
