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ENZYME

ENZYME entry: EC 2.4.1.21

Accepted Name
starch synthase
Alternative Name(s)
ADP-glucose--starch glucosyltransferase
glycogen synthase
starch (bacterial glycogen) synthase
Reaction catalysed
[(1->4)-alpha-D-glucosyl](n) + ADP-alpha-D-glucose <=> [(1->4)-alpha-D-glucosyl](n+1) + ADP + H(+)
Comment(s)
  • The description (accepted name) varies according to the source of the enzyme and the nature of its synthetic product, e.g. starch synthase, bacterial glycogen synthase.
  • A similar enzyme utilizes UDP-alpha-D-glucose (cf. EC 2.4.1.11).
Cross-references
BRENDA2.4.1.21
EC2PDB2.4.1.21
ExplorEnz2.4.1.21
PRIAM enzyme-specific profiles2.4.1.21
KEGG Ligand Database for Enzyme Nomenclature2.4.1.21
IUBMB Enzyme Nomenclature2.4.1.21
IntEnz2.4.1.21
MEDLINEFind literature relating to 2.4.1.21
MetaCyc2.4.1.21
Rhea expert-curated reactions2.4.1.21
UniProtKB/Swiss-Prot
P0A3F2, GLGA1_AGRFCQ89RJ4, GLGA1_BRADUQ39XS5, GLGA1_GEOMG
Q74ED9, GLGA1_GEOSLQ608L4, GLGA1_METCAQ3JEW3, GLGA1_NITOC
Q8YVU5, GLGA1_NOSS1P58393, GLGA1_RHIMEP0A3F3, GLGA1_RHIRD
Q2JSZ9, GLGA1_SYNJAQ2JNM6, GLGA1_SYNJBP74521, GLGA1_SYNY3
Q3M9U1, GLGA1_TRIV2Q8UK38, GLGA2_AGRFCQ89G86, GLGA2_BRADU
Q39QT6, GLGA2_GEOMGQ747K8, GLGA2_GEOSLQ604D9, GLGA2_METCA
Q3JD12, GLGA2_NITOCQ8Z0Q9, GLGA2_NOSS1P58394, GLGA2_RHIME
Q2JRJ4, GLGA2_SYNJAQ2JKU0, GLGA2_SYNJBP72623, GLGA2_SYNY3
Q3M3R4, GLGA2_TRIV2A9NFK6, GLGA_ACHLIA1TRG5, GLGA_ACIAC
A5FUS8, GLGA_ACICJA3MZ67, GLGA_ACTP2B3H0J4, GLGA_ACTP7
A6VP18, GLGA_ACTSZA0KPQ1, GLGA_AERHHA4SIE1, GLGA_AERS4
B9JAA4, GLGA_AGRRKQ221N9, GLGA_ALBFTQ5DZC1, GLGA_ALIF1
B5EUW2, GLGA_ALIFMB6EQL7, GLGA_ALISLQ0AA27, GLGA_ALKEH
A6TSC8, GLGA_ALKMQB8J8R4, GLGA_ANAD2Q2IM81, GLGA_ANADE
A7H6L1, GLGA_ANADFB4ULD8, GLGA_ANASKB7GK04, GLGA_ANOFW
O66935, GLGA_AQUAEQ5NXZ7, GLGA_AROAEQ81K85, GLGA_BACAN
Q72YJ6, GLGA_BACC1B7HBC4, GLGA_BACC4A7GU98, GLGA_BACCN
B9J2G5, GLGA_BACCQQ816G8, GLGA_BACCRQ632H4, GLGA_BACCZ
Q6HC18, GLGA_BACHKQ65FS7, GLGA_BACLDP39125, GLGA_BACSU
Q7WIJ0, GLGA_BORBRQ7W6L5, GLGA_BORPAA9IMI9, GLGA_BORPD
Q2T6R2, GLGA_BURTAB9MPC0, GLGA_CALBDA4XHL5, GLGA_CALS8
B3PGN5, GLGA_CELJUQ9RNH6, GLGA_CERS4A4WRM2, GLGA_CERS5
Q5L562, GLGA_CHLABQ3APL6, GLGA_CHLCHQ821W4, GLGA_CHLCV
Q255S3, GLGA_CHLFFB3EGV0, GLGA_CHLL2Q3B6C3, GLGA_CHLL3
Q9PLC3, GLGA_CHLMUB3QR00, GLGA_CHLP8A1BIY8, GLGA_CHLPD
A4SCU9, GLGA_CHLPMQ9Z6V8, GLGA_CHLPNB0B925, GLGA_CHLT2
Q3KKP3, GLGA_CHLTAB0BAQ4, GLGA_CHLTBQ8KAY6, GLGA_CHLTE
O84804, GLGA_CHLTRA8AQY0, GLGA_CITK8Q97GX6, GLGA_CLOAB
A6M334, GLGA_CLOB8B2V049, GLGA_CLOBAB2TR28, GLGA_CLOBB
Q18A79, GLGA_CLOD6B9DWP3, GLGA_CLOK1A5N2Z2, GLGA_CLOK5
A0PY73, GLGA_CLONNQ8XPA1, GLGA_CLOPEA7MGE0, GLGA_CROS8
Q47IJ4, GLGA_DECARC1CWY8, GLGA_DEIDVQ1IWV2, GLGA_DEIGD
Q9RWS1, GLGA_DEIRAB8FBH4, GLGA_DESALB1I4F5, GLGA_DESAP
B8G1G3, GLGA_DESHDA4J4I4, GLGA_DESRMQ729V4, GLGA_DESVH
B8DL94, GLGA_DESVMA1VC53, GLGA_DESVVA7ZSW2, GLGA_ECO24
B7UKD4, GLGA_ECO27B7MDR4, GLGA_ECO45B7L4W1, GLGA_ECO55
P0A6V0, GLGA_ECO57B5YUI5, GLGA_ECO5EB7NMJ4, GLGA_ECO7I
B7N176, GLGA_ECO81B7M2J2, GLGA_ECO8AC4ZVX9, GLGA_ECOBW
B1X774, GLGA_ECODHA8A5N9, GLGA_ECOHSA1AGW2, GLGA_ECOK1
Q0TC30, GLGA_ECOL5P0A6U9, GLGA_ECOL6B1IP35, GLGA_ECOLC
P0A6U8, GLGA_ECOLIB7NE39, GLGA_ECOLUB6I2Z5, GLGA_ECOSE
B1LI90, GLGA_ECOSMQ1R5J7, GLGA_ECOUTC5B965, GLGA_EDWI9
B2KE25, GLGA_ELUMPA4WFL2, GLGA_ENT38B2VJU7, GLGA_ERWT9
B7LSE0, GLGA_ESCF3B1YK70, GLGA_EXIS2C4L3L1, GLGA_EXISA
A7HJT8, GLGA_FERNBB0S264, GLGA_FINM2A5FG96, GLGA_FLAJ1
B0TZI2, GLGA_FRAP2Q14J34, GLGA_FRAT1A7NAI5, GLGA_FRATF
Q2A4U4, GLGA_FRATHB2SFN0, GLGA_FRATMA0Q596, GLGA_FRATN
Q0BN64, GLGA_FRATOQ5NHN2, GLGA_FRATTA4IZJ9, GLGA_FRATW
Q8RF65, GLGA_FUSNNB9M2J2, GLGA_GEODFO08328, GLGA_GEOSE
A4IS20, GLGA_GEOTNA5GBI7, GLGA_GEOURB8F3S8, GLGA_GLAP5
Q7NM37, GLGA_GLOVIQ0BPL3, GLGA_GRABCQ4QK70, GLGA_HAEI8
A5UBW8, GLGA_HAEIEA5UEJ5, GLGA_HAEIGP45179, GLGA_HAEIN
Q9KDX6, GLGA_HALH5A1WW18, GLGA_HALHLB0TD37, GLGA_HELMI
Q0I3I0, GLGA_HISS1Q31IB5, GLGA_HYDCUB4U626, GLGA_HYDS0
Q28MN0, GLGA_JANSCB5XTR0, GLGA_KLEP3A6TF48, GLGA_KLEP7
Q1ILA0, GLGA_KORVEC5CGT4, GLGA_KOSOTQ5FL65, GLGA_LACAC
B3W9A1, GLGA_LACCBC4Z0G2, GLGA_LACE2Q9CHM9, GLGA_LACLA
Q036T0, GLGA_LACP3A9KMA3, GLGA_LACP7Q890I8, GLGA_LACPL
B0SFJ4, GLGA_LEPBAB0SPF1, GLGA_LEPBPB1Y0P9, GLGA_LEPCP
Q1WSN1, GLGA_LIGS1Q2W5G0, GLGA_MAGSAQ65TI3, GLGA_MANSM
A6VUP1, GLGA_MARMSA1U0K2, GLGA_MARN8Q6KHP2, GLGA_MESM1
Q59001, GLGA_METJAB8EN59, GLGA_METSBQ2RH55, GLGA_MOOTA
Q1DCS0, GLGA_MYXXDB2A6E4, GLGA_NATTJQ0AIE6, GLGA_NITEC
Q82SP3, GLGA_NITEUQ2YB48, GLGA_NITMUB2J471, GLGA_NOSP7
Q2G7S7, GLGA_NOVADQ8ET54, GLGA_OCEIHQ30Z13, GLGA_OLEA2
B1ZUX5, GLGA_OPITPA1BAE6, GLGA_PARDPQ7U7I2, GLGA_PARMW
Q6MAS9, GLGA_PARUWQ9CN91, GLGA_PASMUQ6CZK3, GLGA_PECAS
C6DH76, GLGA_PECCPB4SC83, GLGA_PELPBA9BG68, GLGA_PETMO
Q6LKA1, GLGA_PHOPRA1VL96, GLGA_POLNAB4S584, GLGA_PROA2
A3PBY3, GLGA_PROM0A2C167, GLGA_PROM1A8G3X5, GLGA_PROM2
A2CAW5, GLGA_PROM3A9BAW0, GLGA_PROM4A2BVS2, GLGA_PROM5
Q31BS5, GLGA_PROM9Q7VBP0, GLGA_PROMAQ7V8F0, GLGA_PROMM
Q7V275, GLGA_PROMPA2BQ90, GLGA_PROMSQ46LU1, GLGA_PROMT
Q48JG9, GLGA_PSE14A6V616, GLGA_PSEA7Q9I1V0, GLGA_PSEAE
Q4KCP0, GLGA_PSEF5A8F720, GLGA_PSELTQ3KD65, GLGA_PSEPF
Q88FN9, GLGA_PSEPKQ880M9, GLGA_PSESMQ4ZS46, GLGA_PSEU2
Q8XT73, GLGA_RALN1B3Q001, GLGA_RHIE6Q2K485, GLGA_RHIEC
Q1MBS7, GLGA_RHIL3Q985P2, GLGA_RHILOB5ZQ47, GLGA_RHILW
Q9EUT5, GLGA_RHITRQ7UPY2, GLGA_RHOBAB6IUD9, GLGA_RHOCS
Q2J308, GLGA_RHOP2Q07TH8, GLGA_RHOP5Q6NCT7, GLGA_RHOPA
Q21BQ1, GLGA_RHOPBQ13EA7, GLGA_RHOPSB3Q9C2, GLGA_RHOPT
Q2RS50, GLGA_RHORTQ165E4, GLGA_ROSDOB5F8Q1, GLGA_SALA4
A9MMA3, GLGA_SALARQ57IU1, GLGA_SALCHB5FKF4, GLGA_SALDC
B5R394, GLGA_SALEPB4T867, GLGA_SALHSB4SVN2, GLGA_SALNS
Q5PM09, GLGA_SALPAA9MTV1, GLGA_SALPBC0Q0K9, GLGA_SALPC
B5BHH9, GLGA_SALPKB4TY86, GLGA_SALSVQ8Z232, GLGA_SALTI
P05416, GLGA_SALTYA8GKU7, GLGA_SERP5B2U4G3, GLGA_SHIB3
Q31VJ4, GLGA_SHIBSQ32AV6, GLGA_SHIDSQ0SZN5, GLGA_SHIF8
Q83PV4, GLGA_SHIFLQ3YW96, GLGA_SHISSQ3K1K2, GLGA_STRA1
Q8E5V5, GLGA_STRA3Q8E079, GLGA_STRA5C0M712, GLGA_STRE4
A8AYH0, GLGA_STRGCQ8CWX0, GLGA_STRMUQ04KG5, GLGA_STRP2
B5E4N6, GLGA_STRP4C1C7B7, GLGA_STRP7B1IBR0, GLGA_STRPI
B8ZPW5, GLGA_STRPJQ97QS5, GLGA_STRPNB2IPY4, GLGA_STRPS
Q8DPS3, GLGA_STRR6C0MH77, GLGA_STRS7A3CM04, GLGA_STRSV
B9DRS8, GLGA_STRU0C1CEB0, GLGA_STRZJC1CKI7, GLGA_STRZP
C1CRM3, GLGA_STRZTB2V5P9, GLGA_SULSYQ3A0B8, GLGA_SYNC1
Q935Y7, GLGA_SYNE7Q5N1P1, GLGA_SYNP6A5GKI7, GLGA_SYNPW
A5GT38, GLGA_SYNR3Q0I9Y8, GLGA_SYNS3Q3AVF9, GLGA_SYNS9
Q3AKK1, GLGA_SYNSCB7IFD0, GLGA_THEABP58395, GLGA_THECA
A6LJ53, GLGA_THEM4Q9WZZ7, GLGA_THEMAA5IIN8, GLGA_THEP1
B1LC39, GLGA_THESQQ72G68, GLGA_THET2Q5SMC5, GLGA_THET8
Q8DKU2, GLGA_THEVBB5YG91, GLGA_THEYDQ3SH79, GLGA_THIDA
B8GNA4, GLGA_THISHQ73MC7, GLGA_TREDEQ113E3, GLGA_TRIEI
C5CJ75, GLGA_VARPSB7VM42, GLGA_VIBA3A5F7G0, GLGA_VIBC3
Q9KRB6, GLGA_VIBCHC3LN49, GLGA_VIBCMQ87QX5, GLGA_VIBPA
Q8DAR0, GLGA_VIBVUQ7MJ50, GLGA_VIBVYQ8PQA3, GLGA_XANAC
Q3BYI1, GLGA_XANC5Q4UZL8, GLGA_XANC8Q8PDD2, GLGA_XANCP
Q2P9F6, GLGA_XANOMB2SVT3, GLGA_XANOPQ5H6Q4, GLGA_XANOR
A1JSI5, GLGA_YERE8A7FNX2, GLGA_YERP3Q1C1E2, GLGA_YERPA
B2K6F8, GLGA_YERPBQ8ZA78, GLGA_YERPEA9R5M0, GLGA_YERPG
Q1CDL6, GLGA_YERPNA4TQU9, GLGA_YERPPQ664I5, GLGA_YERPS
B1JHY0, GLGA_YERPYO82627, SSG1_ANTMAQ43093, SSG2_PEA
Q9FNF2, SSY1_ARATHA2Y9M4, SSY1_ORYSIQ0DEC8, SSY1_ORYSJ
P93568, SSY1_SOLTUQ43654, SSY1_WHEATQ7XE48, SSY21_ORYSJ
Q6Z2T8, SSY22_ORYSJP0C586, SSY23_ORYSIQ0DDE3, SSY23_ORYSJ
Q9MAC8, SSY2_ARATHQ43847, SSY2_SOLTUA0A0P0XCU3, SSY3A_ORYSJ
F4IAG2, SSY3_ARATHQ43846, SSY3_SOLTUQ0WVX5, SSY4_ARATH

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All UniProtKB/Swiss-Prot entries referenced in this entry, with possibility to download in different formats, align etc.
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 2.4.1.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 2.4.-.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 2.-.-.-