ID 2.3.1.180 DE beta-ketoacyl-[acyl-carrier-protein] synthase III. AN 3-ketoacyl-acyl carrier protein synthase III. AN 3-oxoacyl:ACP synthase III. AN beta-ketoacyl (acyl carrier protein) synthase III. AN beta-ketoacyl-ACP synthase III. AN beta-ketoacyl-acyl carrier protein synthase III. AN KASIII. AN KAS III. CA acetyl-CoA + H(+) + malonyl-[ACP] = 3-oxobutanoyl-[ACP] + CO2 + CoA. CC -!- The enzyme is responsible for initiating straight-chain fatty acid CC biosynthesis by the dissociated (or type II) fatty-acid biosynthesis CC system that occurs in plants and bacteria. CC -!- In contrast to EC 2.3.1.41 and EC 2.3.1.179, this enzyme specifically CC uses short-chain acyl-CoA thioesters (preferably acetyl-CoA) rather CC than acyl-[acp] as its substrate. CC -!- The enzyme can also catalyze the reaction of EC 2.3.1.38, but to a CC much lesser extent. CC -!- The enzymes from some organisms (e.g. the Gram-positive bacterium CC Streptococcus pneumoniae) can accept branched-chain acyl-CoAs in CC addition to acetyl-CoA (cf. EC 2.3.1.300). DR Q81JG0, FABH1_BACAN; Q81GM0, FABH1_BACCR; O34746, FABH1_BACSU; DR Q8ABI8, FABH1_BACTN; P49244, FABH1_CUPWR; Q9RT23, FABH1_DEIRA; DR Q9K8W9, FABH1_HALH5; Q88YZ4, FABH1_LACPL; Q8CPT4, FABH1_STAES; DR Q82BB8, FABH1_STRAW; P72392, FABH1_STRCO; Q9KQH5, FABH1_VIBCH; DR Q87N20, FABH1_VIBPA; Q8D8G6, FABH1_VIBVU; Q7M7J9, FABH1_VIBVY; DR Q81JF6, FABH2_BACAN; Q81F42, FABH2_BACCR; O07600, FABH2_BACSU; DR Q8A137, FABH2_BACTN; P49245, FABH2_CUPWR; Q9RT22, FABH2_DEIRA; DR Q9KET5, FABH2_HALH5; Q88WG8, FABH2_LACPL; Q8CUB8, FABH2_STAES; DR Q82M29, FABH2_STRAW; Q9Z4Y5, FABH2_STRCO; Q9KLJ3, FABH2_VIBCH; DR Q87HJ2, FABH2_VIBPA; Q8D719, FABH2_VIBVU; Q7M7I3, FABH2_VIBVY; DR O54151, FABH3_STRCO; Q9ZBV4, FABH4_STRCO; Q9JN82, FABH5_STRCO; DR Q9PMZ6, FABHL_CAMJE; B0CE67, FABH_ACAM1 ; A9NFF0, FABH_ACHLI ; DR A5FV65, FABH_ACICJ ; B9MDQ9, FABH_ACIET ; A1WAX8, FABH_ACISJ ; DR A3N232, FABH_ACTP2 ; A6VQV2, FABH_ACTSZ ; Q8UG62, FABH_AGRFC ; DR Q21XP4, FABH_ALBFT ; A8ERJ6, FABH_ALIB4 ; Q5E409, FABH_ALIF1 ; DR Q0A8R5, FABH_ALKEH ; B9JV87, FABH_ALLAM ; Q5PA98, FABH_ANAMM ; DR O67185, FABH_AQUAE ; P49243, FABH_ARATH ; Q5P0D6, FABH_AROAE ; DR B6YS41, FABH_AZOPC ; A1K5Y5, FABH_AZOSB ; A8FBX4, FABH_BACP2 ; DR A1USI9, FABH_BARBK ; Q6G3K4, FABH_BARHE ; Q6G000, FABH_BARQU ; DR A9IVB4, FABH_BART1 ; Q1LT37, FABH_BAUCH ; Q7VR18, FABH_BLOFL ; DR Q492Q4, FABH_BLOPB ; Q2KUK5, FABH_BORA1 ; Q7WD20, FABH_BORBR ; DR Q7W5I4, FABH_BORPA ; A9IIH4, FABH_BORPD ; Q7VW29, FABH_BORPE ; DR Q89K89, FABH_BRADU ; A5EKG5, FABH_BRASB ; A4YW84, FABH_BRASO ; DR B2S524, FABH_BRUA1 ; Q2YNB9, FABH_BRUA2 ; A6X1X8, FABH_BRUA4 ; DR Q57DX4, FABH_BRUAB ; A9MAF6, FABH_BRUC2 ; C0RIB3, FABH_BRUMB ; DR Q8YGH9, FABH_BRUME ; A5VPV8, FABH_BRUO2 ; B0CLA2, FABH_BRUSI ; DR Q8G1E0, FABH_BRUSU ; A0K5U6, FABH_BURCH ; Q39I86, FABH_BURL3 ; DR A3MM55, FABH_BURM7 ; A2S9Y2, FABH_BURM9 ; Q62LU2, FABH_BURMA ; DR A1V6D0, FABH_BURMS ; B1JYA0, FABH_BURO0 ; Q1BXV4, FABH_BURO1 ; DR A3NXM9, FABH_BURP0 ; Q3JQ65, FABH_BURP1 ; A3NBU2, FABH_BURP6 ; DR Q63S83, FABH_BURPS ; Q2SXU7, FABH_BURTA ; A4JCP8, FABH_BURVG ; DR Q8R9V7, FABH_CALS4 ; A4XJW0, FABH_CALS8 ; A7ZC01, FABH_CAMC1 ; DR A7H054, FABH_CAMC5 ; A0RMK8, FABH_CAMFF ; A7I3D6, FABH_CAMHC ; DR A8FKB7, FABH_CAMJ8 ; A7H541, FABH_CAMJD ; Q9PIH1, FABH_CAMJE ; DR A1VY47, FABH_CAMJJ ; Q5HWE3, FABH_CAMJR ; Q9A8I4, FABH_CAUVC ; DR A3PJ64, FABH_CERS1 ; Q3J365, FABH_CERS4 ; A4WTT9, FABH_CERS5 ; DR Q11J83, FABH_CHESB ; Q3AQ09, FABH_CHLCH ; Q820E6, FABH_CHLCV ; DR Q3B6K8, FABH_CHLL3 ; Q9PKF5, FABH_CHLMU ; A1BJA1, FABH_CHLPD ; DR A4SCL4, FABH_CHLPM ; Q9Z8P0, FABH_CHLPN ; Q3KMC3, FABH_CHLTA ; DR Q8KAP2, FABH_CHLTE ; O84242, FABH_CHLTR ; Q7NSK7, FABH_CHRVO ; DR A8AHY1, FABH_CITK8 ; Q97DA2, FABH_CLOAB ; A7FPM6, FABH_CLOB1 ; DR C3KWF7, FABH_CLOB6 ; A6LSC2, FABH_CLOB8 ; A5I7X8, FABH_CLOBH ; DR C1FNK7, FABH_CLOBJ ; B1IHN1, FABH_CLOBK ; A7GJJ9, FABH_CLOBL ; DR B1KU74, FABH_CLOBM ; Q18B40, FABH_CLOD6 ; B9DY04, FABH_CLOK1 ; DR A5N4E1, FABH_CLOK5 ; A0PXB6, FABH_CLONN ; Q0TRH0, FABH_CLOP1 ; DR Q8XLH3, FABH_CLOPE ; Q0STU9, FABH_CLOPS ; Q899P3, FABH_CLOTE ; DR B6J8E5, FABH_COXB1 ; B6J1I6, FABH_COXB2 ; A9KEA1, FABH_COXBN ; DR A9NBY3, FABH_COXBR ; Q820X0, FABH_COXBU ; A7MFQ4, FABH_CROS8 ; DR Q0K8L9, FABH_CUPNH ; Q46Z05, FABH_CUPPJ ; B3R213, FABH_CUPTR ; DR P0DW99, FABH_CUTAC ; C1D0N4, FABH_DEIDV ; Q1J198, FABH_DEIGD ; DR A9BNK6, FABH_DELAS ; B8FRS6, FABH_DESHD ; Q24U40, FABH_DESHY ; DR Q6AJF8, FABH_DESPS ; Q72CS6, FABH_DESVH ; B8DJG1, FABH_DESVM ; DR A1VEK1, FABH_DESVV ; A5EXD7, FABH_DICNV ; A8LLT4, FABH_DINSH ; DR A7ZKJ4, FABH_ECO24 ; P0A6R2, FABH_ECO57 ; A7ZZ48, FABH_ECOHS ; DR A1A9Y5, FABH_ECOK1 ; Q0TIY3, FABH_ECOL5 ; P0A6R1, FABH_ECOL6 ; DR B1IUH4, FABH_ECOLC ; P0A6R0, FABH_ECOLI ; Q1RD66, FABH_ECOUT ; DR Q3YRP7, FABH_EHRCJ ; Q2GH17, FABH_EHRCR ; Q5FFP2, FABH_EHRRG ; DR Q5HAV9, FABH_EHRRW ; A4W9A5, FABH_ENT38 ; Q820T1, FABH_ENTFA ; DR Q2N925, FABH_ERYLH ; Q8RGX7, FABH_FUSNN ; Q5L1U1, FABH_GEOKA ; DR Q7NF35, FABH_GLOVI ; Q0BTE0, FABH_GRABC ; Q6B945, FABH_GRATL ; DR Q7U337, FABH_HAEDU ; Q4QP30, FABH_HAEI8 ; A5UFW1, FABH_HAEIG ; DR P43711, FABH_HAEIN ; Q17YQ2, FABH_HELAH ; P59813, FABH_HELHP ; DR B6JKD5, FABH_HELP2 ; B5Z9X2, FABH_HELPG ; Q1CUV9, FABH_HELPH ; DR Q9ZMN0, FABH_HELPJ ; B2US32, FABH_HELPS ; O24994, FABH_HELPY ; DR A4G6T2, FABH_HERAR ; Q0I0V6, FABH_HISS1 ; B0UUZ0, FABH_HISS2 ; DR Q0C312, FABH_HYPNA ; A6SXP9, FABH_JANMA ; Q28RG1, FABH_JANSC ; DR A6T7F1, FABH_KLEP7 ; B2GFZ7, FABH_KOCRD ; Q1IQ32, FABH_KORVE ; DR Q1GAG1, FABH_LACDA ; Q04AU8, FABH_LACDB ; A8YXS0, FABH_LACH4 ; DR Q9CHG0, FABH_LACLA ; A2RM32, FABH_LACLM ; Q030J8, FABH_LACLS ; DR C1DCE8, FABH_LARHH ; Q38XG4, FABH_LATSS ; Q03RV2, FABH_LEVBA ; DR A5VK78, FABH_LIMRD ; B2G7L1, FABH_LIMRJ ; Q929H1, FABH_LISIN ; DR C0LNR0, FABH_LISM4 ; Q71XG3, FABH_LISMF ; Q8Y573, FABH_LISMO ; DR A0AKV5, FABH_LISW6 ; Q2W4R7, FABH_MAGSA ; A1U0E3, FABH_MARN8 ; DR Q606L3, FABH_METCA ; B0JXE2, FABH_MICAN ; B1MKD7, FABH_MYCA9 ; DR B2A2M5, FABH_NATTJ ; Q5F4X5, FABH_NEIG1 ; B4RJI1, FABH_NEIG2 ; DR A9M142, FABH_NEIM0 ; Q9JW56, FABH_NEIMA ; Q9JXR6, FABH_NEIMB ; DR A1KRY9, FABH_NEIMF ; Q2GDD8, FABH_NEOSM ; Q1XDU1, FABH_NEOYE ; DR Q0AIS4, FABH_NITEC ; Q82U60, FABH_NITEU ; Q2YA46, FABH_NITMU ; DR Q8Z062, FABH_NOSS1 ; Q2G5S1, FABH_NOVAD ; Q8ERU6, FABH_OCEIH ; DR Q04DM7, FABH_OENOB ; Q30YM1, FABH_OLEA2 ; A1TLD7, FABH_PARC0 ; DR A6LEP7, FABH_PARD8 ; A1B364, FABH_PARDP ; B2JFI9, FABH_PARP8 ; DR Q9CJS8, FABH_PASMU ; Q6D690, FABH_PECAS ; C0QPF4, FABH_PERMH ; DR Q7N384, FABH_PHOLL ; A6KXK3, FABH_PHOV8 ; A4SVV4, FABH_POLAQ ; DR A1VRU7, FABH_POLNA ; B1XTK6, FABH_POLNS ; Q126I8, FABH_POLSJ ; DR B2RH63, FABH_PORG3 ; Q7MAV3, FABH_PORGI ; P51196, FABH_PORPU ; DR P31176, FABH_PORUM ; A3PAK3, FABH_PROM0 ; A8G2E1, FABH_PROM2 ; DR A2BUB2, FABH_PROM5 ; Q31D45, FABH_PROM9 ; Q7VE55, FABH_PROMA ; DR Q7V4F6, FABH_PROMM ; Q7V3E0, FABH_PROMP ; Q46HN8, FABH_PROMT ; DR Q15TZ6, FABH_PSEA6 ; B7V4R0, FABH_PSEA8 ; Q02QG7, FABH_PSEAB ; DR Q9HYR2, FABH_PSEAE ; Q3IBW0, FABH_PSET1 ; A1STW1, FABH_PSYIN ; DR Q8Y0J4, FABH_RALN1 ; B2U968, FABH_RALPJ ; Q1MIS6, FABH_RHIJ3 ; DR Q982Z8, FABH_RHILO ; Q92QT4, FABH_RHIME ; B9JCY9, FABH_RHIR8 ; DR A5VC86, FABH_RHIWR ; P59814, FABH_RHOBA ; P30790, FABH_RHOCA ; DR B6IMR5, FABH_RHOCS ; Q2RTS8, FABH_RHORT ; A8GPW1, FABH_RICAH ; DR A8GY06, FABH_RICB8 ; Q1RKA5, FABH_RICBR ; A8EZX3, FABH_RICCK ; DR Q92GC1, FABH_RICCN ; Q4UK49, FABH_RICFE ; A8F2R3, FABH_RICM5 ; DR Q9ZCH1, FABH_RICPR ; B0BV80, FABH_RICRO ; A8GTP2, FABH_RICRS ; DR Q68VX7, FABH_RICTY ; A7NK75, FABH_ROSCS ; Q164C9, FABH_ROSDO ; DR A5UWI7, FABH_ROSS1 ; Q1AW87, FABH_RUBXD ; Q5LQJ5, FABH_RUEPO ; DR Q1GI69, FABH_RUEST ; A9MGC9, FABH_SALAR ; Q57QG4, FABH_SALCH ; DR Q5PGU1, FABH_SALPA ; A9N5L3, FABH_SALPB ; Q8Z7J6, FABH_SALTI ; DR O85139, FABH_SALTY ; A8GD17, FABH_SERP5 ; Q8EDH1, FABH_SHEON ; DR Q31ZE6, FABH_SHIBS ; Q32EV1, FABH_SHIDS ; Q0T5U5, FABH_SHIF8 ; DR Q83RS8, FABH_SHIFL ; Q3Z326, FABH_SHISS ; A6U7Q5, FABH_SINMW ; DR Q2NU42, FABH_SODGM ; Q01QV9, FABH_SOLUE ; Q1GT90, FABH_SPHAL ; DR Q07510, FABH_SPIOL ; A7X0K2, FABH_STAA1 ; A6U089, FABH_STAA2 ; DR Q2FI93, FABH_STAA3 ; Q2FZS0, FABH_STAA8 ; A5IRG0, FABH_STAA9 ; DR Q2YWV3, FABH_STAAB ; Q5HHA2, FABH_STAAC ; A6QFJ3, FABH_STAAE ; DR P68795, FABH_STAAM ; P99159, FABH_STAAN ; Q6GIA4, FABH_STAAR ; DR Q6GAU3, FABH_STAAS ; A8Z088, FABH_STAAT ; Q8NXE2, FABH_STAAW ; DR Q5HQI2, FABH_STAEQ ; Q4L4Z3, FABH_STAHJ ; Q49WB6, FABH_STAS1 ; DR Q3K338, FABH_STRA1 ; P64112, FABH_STRA3 ; P64113, FABH_STRA5 ; DR C0M7U3, FABH_STRE4 ; B4U1B3, FABH_STREM ; Q54206, FABH_STRGA ; DR A8AYW5, FABH_STRGC ; Q9F6D4, FABH_STRLI ; Q8DSN2, FABH_STRMU ; DR Q99YD2, FABH_STRP1 ; Q04M58, FABH_STRP2 ; P0DB00, FABH_STRP3 ; DR B5E7F8, FABH_STRP4 ; Q5XAE0, FABH_STRP6 ; C1C5F4, FABH_STRP7 ; DR P64115, FABH_STRP8 ; Q1JA87, FABH_STRPB ; Q1JKE0, FABH_STRPC ; DR Q1JFD2, FABH_STRPD ; Q1J582, FABH_STRPF ; A2RCX0, FABH_STRPG ; DR B1I9L1, FABH_STRPI ; B8ZLI3, FABH_STRPJ ; Q48RR7, FABH_STRPM ; DR P0A3C5, FABH_STRPN ; P0DB01, FABH_STRPQ ; B2ILW2, FABH_STRPS ; DR B5XHY5, FABH_STRPZ ; P0A3C6, FABH_STRR6 ; A4W3N0, FABH_STRS2 ; DR C0ME18, FABH_STRS7 ; A3CQ60, FABH_STRSV ; A4VXD4, FABH_STRSY ; DR Q5M184, FABH_STRT1 ; Q5M5S1, FABH_STRT2 ; Q03M55, FABH_STRTD ; DR B9DVE9, FABH_STRU0 ; C1CCI2, FABH_STRZJ ; C1CIR8, FABH_STRZP ; DR C1CPS7, FABH_STRZT ; Q30PN6, FABH_SULDN ; A6QBY0, FABH_SULNB ; DR Q67PG0, FABH_SYMTH ; Q31N84, FABH_SYNE7 ; Q5N5X5, FABH_SYNP6 ; DR A5GP11, FABH_SYNPW ; A5GQJ2, FABH_SYNR3 ; Q0AVV3, FABH_SYNWW ; DR P73951, FABH_SYNY3 ; Q8DKL4, FABH_THEVB ; Q3SIM4, FABH_THIDA ; DR B8GSX7, FABH_THISH ; Q114K0, FABH_TRIEI ; Q3M9J4, FABH_TRIV2 ; DR P64117, FABH_TROW8 ; P64116, FABH_TROWT ; C5CSE2, FABH_VARPS ; DR A1WMX5, FABH_VEREI ; A5CWU7, FABH_VESOH ; Q73GG9, FABH_WOLPM ; DR B3CML1, FABH_WOLPP ; Q5GS22, FABH_WOLTR ; Q8PNE8, FABH_XANAC ; DR Q3BWI9, FABH_XANC5 ; Q4URQ0, FABH_XANC8 ; Q8PBV1, FABH_XANCP ; DR Q2P7B9, FABH_XANOM ; Q9PCG4, FABH_XYLFA ; Q87CL7, FABH_XYLFT ; DR A1JN67, FABH_YERE8 ; A7FH25, FABH_YERP3 ; Q1C6M8, FABH_YERPA ; DR Q8ZFT7, FABH_YERPE ; Q1CI19, FABH_YERPN ; A4TLS3, FABH_YERPP ; DR Q669L1, FABH_YERPS ; Q9HU15, FABY_PSEAE ; //