<TABLE> <S> <C>
<ARTICLE> 5
<CIK> 0001010915
<NAME> MICROCIDE PHARMACEUTICALS, INC.
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> APR-1-2000
<PERIOD-END> JUN-30-2000
<EXCHANGE-RATE> 1
<CASH> 4,209
<SECURITIES> 14,914
<RECEIVABLES> 590
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 20,194
<PP&E> 20,197
<DEPRECIATION> (13,486)
<TOTAL-ASSETS> 27,826
<CURRENT-LIABILITIES> 4,737
<BONDS> 0
0
0
<COMMON> 68,010
<OTHER-SE> (46,274)
<TOTAL-LIABILITY-AND-EQUITY> 27,826
<SALES> 0
<TOTAL-REVENUES> 1,521
<CGS> 0
<TOTAL-COSTS> 5,195
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 66
<INCOME-PRETAX> (3,451)
<INCOME-TAX> 0
<INCOME-CONTINUING> (3,451)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (3,451)
<EPS-BASIC> (0.31)
<EPS-DILUTED> (0.31)
</TABLE>