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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001209191-05-046911.txt : 20050912
<SEC-HEADER>0001209191-05-046911.hdr.sgml : 20050912
<ACCEPTANCE-DATETIME>20050912195058
ACCESSION NUMBER:		0001209191-05-046911
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050907
FILED AS OF DATE:		20050912
DATE AS OF CHANGE:		20050912

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MPM BIOVENTURES III PARALLEL FUND
		CENTRAL INDEX KEY:			0001249063
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50461
		FILM NUMBER:		051080929

	MAIL ADDRESS:	
		STREET 1:		111 HUNTINGTON AVE
		STREET 2:		31ST FL
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

	FORMER NAME:	
		FORMER CONFORMED NAME:	MPM BIO VENTURES III PARALLEL FUND
		DATE OF NAME CHANGE:	20030627

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MPM BIOVENTURES III GMBH & CO
		CENTRAL INDEX KEY:			0001249133
		STATE OF INCORPORATION:			2M
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50461
		FILM NUMBER:		051080928

	MAIL ADDRESS:	
		STREET 1:		111 HUNTINGTON AVE
		STREET 2:		31ST FL
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

	FORMER NAME:	
		FORMER CONFORMED NAME:	MPM BIO VENTURES III GMBH & CO
		DATE OF NAME CHANGE:	20030627

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MPM BIOVENTURES III GP LP
		CENTRAL INDEX KEY:			0001249143
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50461
		FILM NUMBER:		051080925

	MAIL ADDRESS:	
		STREET 1:		111 HUNTINGTON AVE 31ST FL
		STREET 2:		MPM CAPITAL
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

	FORMER NAME:	
		FORMER CONFORMED NAME:	MPM BIO VENTURES III GP LP
		DATE OF NAME CHANGE:	20030627

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MPM BIOVENTURES III LLC
		CENTRAL INDEX KEY:			0001249147
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50461
		FILM NUMBER:		051080931

	MAIL ADDRESS:	
		STREET 1:		111 HUNTINGTON AVE 31ST FL
		STREET 2:		MPM CAPITAL
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

	FORMER NAME:	
		FORMER CONFORMED NAME:	MPM BIO VENTURES III LLC
		DATE OF NAME CHANGE:	20030627

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MPM ASSET MANAGEMENT INVESTORS 2002 BVIII LLC
		CENTRAL INDEX KEY:			0001264828
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50461
		FILM NUMBER:		051080930

	BUSINESS ADDRESS:	
		STREET 1:		111 HUNTINGTON AVE
		STREET 2:		31ST FL
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		6174259200

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MPM BIOVENTURES III QP LP
		CENTRAL INDEX KEY:			0001173409

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50461
		FILM NUMBER:		051080927

	BUSINESS ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		31ST FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		617 425 9200

	FORMER NAME:	
		FORMER CONFORMED NAME:	MPM BIO VENTURES III QP LP
		DATE OF NAME CHANGE:	20020514

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TERCICA INC
		CENTRAL INDEX KEY:			0001262175
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				260042539
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2000 SIERRA POINT PARKWAY
		STREET 2:		SUITE 400
		CITY:			BRISBANE
		STATE:			CA
		ZIP:			94005
		BUSINESS PHONE:		6506244900

	MAIL ADDRESS:	
		STREET 1:		2000 SIERRA POINT PARKWAY
		STREET 2:		SUITE 400
		CITY:			BRISBANE
		STATE:			CA
		ZIP:			94005

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MPM BIOVENTURES III LP
		CENTRAL INDEX KEY:			0001173408

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50461
		FILM NUMBER:		051080926

	BUSINESS ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		31ST FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		617 425 9200

	MAIL ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		31ST FL
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

	FORMER NAME:	
		FORMER CONFORMED NAME:	MPM BIO VENTURES III LP
		DATE OF NAME CHANGE:	20020514
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<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-09-07</periodOfReport>

    <issuer>
        <issuerCik>0001262175</issuerCik>
        <issuerName>TERCICA INC</issuerName>
        <issuerTradingSymbol>TRCA</issuerTradingSymbol>
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    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001249147</rptOwnerCik>
            <rptOwnerName>MPM BIOVENTURES III LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MPM ASSET MANAGEMENT</rptOwnerStreet1>
            <rptOwnerStreet2>111 HUNTINGTON AVE., 31ST FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
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            <isOther>0</isOther>
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    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001264828</rptOwnerCik>
            <rptOwnerName>MPM ASSET MANAGEMENT INVESTORS 2002 BVIII LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MPM ASSET MANAGEMENT</rptOwnerStreet1>
            <rptOwnerStreet2>111 HUNTINGTON AVE., 31ST FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
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            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001249063</rptOwnerCik>
            <rptOwnerName>MPM BIOVENTURES III PARALLEL FUND</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MPM ASSET MANAGEMENT</rptOwnerStreet1>
            <rptOwnerStreet2>111 HUNTINGTON AVE., 31ST FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
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    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001249133</rptOwnerCik>
            <rptOwnerName>MPM BIOVENTURES III GMBH &amp; CO</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MPM ASSET MANAGEMENT</rptOwnerStreet1>
            <rptOwnerStreet2>111 HUNTINGTON AVE., 31ST FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001173408</rptOwnerCik>
            <rptOwnerName>MPM BIOVENTURES III LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MPM ASSET MANAGEMENT</rptOwnerStreet1>
            <rptOwnerStreet2>111 HUNTINGTON AVE., 31ST FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001249143</rptOwnerCik>
            <rptOwnerName>MPM BIOVENTURES III GP LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MPM ASSET MANAGEMENT</rptOwnerStreet1>
            <rptOwnerStreet2>111 HUNTINGTON AVE., 31ST FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001173409</rptOwnerCik>
            <rptOwnerName>MPM BIOVENTURES III QP LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MPM ASSET MANAGEMENT</rptOwnerStreet1>
            <rptOwnerStreet2>111 HUNTINGTON AVE., 31ST FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-09-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>8400</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>12.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6861268</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The shares were sold as follows:  6,990 by MPM BioVentures III-QP, LP (&quot;BVQP&quot;), 470 by MPM BioVentures III, LP (&quot;BVLP&quot;), 211 by MPM BioVentures III Parallel Fund, LP (&quot;BVPF&quot;), 591 by MPM BioVentures III GmbH &amp; Co. Beteiligungs KG (&quot;BVKG&quot;) and 138 by MPM Asset Management Investors 2002 BVIII LLC (&quot;BVAM&quot;).  MPM BioVentures III GP, LP (&quot;BVGP&quot;) and MPM BioVentures III LLC (&quot;BVLLC&quot;) are the indirect and direct general partners of BVQP, BVLP, BVPF and BVKG.  Luke Evnin (&quot;LE&quot;), Ansbert Gadicke (&quot;AG&quot;), Nicholas Galakatos (&quot;NG&quot;), Dennis Henner (&quot;DH&quot;), Nicholas Simon III (&quot;NS&quot;), Michael Steinmetz (&quot;MS&quot;) and Kurt Wheeler (&quot;KW&quot;) are the members of BVLLC.  LE, AG, NG, DH, NS, MS and KW are members of BVAM.</footnote>
        <footnote id="F2">The shares are held as follows:  5,707,936 by BVQP, 383,776 by BVLP, 172,441 by BVPF, 482,343 by BVKG, 112,772 by BVAM  and 2,000 by KW.  Each member of the group disclaims beneficial ownership of the securities except to the extent of its pecuniary interest therein.</footnote>
    </footnotes>

    <remarks>See Form 4 for Luke Evnin for additional members of this joint filing.</remarks>

    <ownerSignature>
        <signatureName>/s/ Luke Evnin, Series A Member of MPM BioVentures III LLC</signatureName>
        <signatureDate>2005-09-12</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Luke Evnin, manager of MPM Asset Management Investors 2002 BVIII LLC</signatureName>
        <signatureDate>2005-09-12</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Luke Evnin, Series A Member of MPM BioVentures III LLC, the general partner of MPM BioVentures III, GP, LP, the general partner of MPM BioVentures III Parallel Fund, LP</signatureName>
        <signatureDate>2005-09-12</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Luke Evnin, Series A Member of MPM BioVentures III LLC, the general partner of MPM BioVentures III, GP, LP, the general partner of MPM BioVentures III BmbH &amp; Co. Beteiligungs KG</signatureName>
        <signatureDate>2005-09-12</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Luke Evnin, Series A Member of MPM BioVentures III LLC, the general partner of MPM BioVentures III, GP, LP, the general partner of MPM BioVentures III, LP</signatureName>
        <signatureDate>2005-09-12</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Luke Evnin, Series A Member of MPM BioVentures III LLC, the general partner of MPM BioVentures III, GP, LP</signatureName>
        <signatureDate>2005-09-12</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Luke Evnin, Series A Member of MPM BioVentures III LLC, the general partner of MPM BioVentures III, GP, LP, the general partner of MPM BioVentures III QP, LP</signatureName>
        <signatureDate>2005-09-12</signatureDate>
    </ownerSignature>
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-----END PRIVACY-ENHANCED MESSAGE-----