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ENZYME

ENZYME entry: EC 3.2.1.23

Accepted Name
beta-galactosidase
Alternative Name(s)
exo-(1->4)-beta-D-galactanase
lactase
Reaction catalysed
Hydrolysis of terminal non-reducing beta-D-galactose residues in beta-D-galactosides
Comment(s)
Some enzymes in this group hydrolyze alpha-L-arabinosides; some animal enzymes also hydrolyze beta-D-fucosides and beta-D-glucosides (cf. EC 3.2.1.108).
Cross-references
BRENDA 3.2.1.23
EC2PDB 3.2.1.23
ExplorEnz 3.2.1.23
PRIAM enzyme-specific profiles 3.2.1.23
KEGG Ligand Database for Enzyme Nomenclature 3.2.1.23
IUBMB Enzyme Nomenclature 3.2.1.23
IntEnz 3.2.1.23
MEDLINE Find literature relating to 3.2.1.23
MetaCyc 3.2.1.23
Rhea expert-curated reactions 3.2.1.23
UniProtKB/Swiss-Prot
O86372, BDGAL_MYCTU Q9FN08, BGA10_ARATH Q67VU7, BGA10_ORYSJ
Q9SCV1, BGA11_ARATH Q6ZJJ0, BGA11_ORYSJ Q9SCV0, BGA12_ARATH
Q0IZZ8, BGA12_ORYSJ Q9SCU9, BGA13_ARATH Q7G3T8, BGA13_ORYSJ
Q9SCU8, BGA14_ARATH Q7XFK2, BGA14_ORYSJ Q9C6W4, BGA15_ARATH
Q0INM3, BGA15_ORYSJ Q8GX69, BGA16_ARATH Q93Z24, BGA17_ARATH
P06864, BGA2_ECOLI A1A3T0, BGAC_BIFAA Q9SCW1, BGAL1_ARATH
Q44233, BGAL1_ARTSP Q65KX8, BGAL1_BACLD O31529, BGAL1_BACSU
Q54GE1, BGAL1_DICDI Q47077, BGAL1_ENTCL A6T8X0, BGAL1_KLEP7
P06219, BGAL1_KLEPN Q5FJ41, BGAL1_LACAC Q8RUV9, BGAL1_ORYSJ
Q8GEA9, BGAL1_THESP Q9LFA6, BGAL2_ARATH C7ASJ5, BGAL2_ARTSP
Q65CX4, BGAL2_BACLD O07012, BGAL2_BACSU Q54MV6, BGAL2_DICDI
Q2XQU3, BGAL2_ENTCL A6TI29, BGAL2_KLEP7 A7KGA5, BGAL2_KLEPN
C6H178, BGAL2_LACAI Q8W0A1, BGAL2_ORYSJ O54315, BGAL2_THESP
Q9SCV9, BGAL3_ARATH Q5N8X6, BGAL3_ORYSJ Q9SCV8, BGAL4_ARATH
A2X2H7, BGAL4_ORYSI Q6Z6K4, BGAL4_ORYSJ Q9MAJ7, BGAL5_ARATH
Q10RB4, BGAL5_ORYSJ Q9FFN4, BGAL6_ARATH Q10NX8, BGAL6_ORYSJ
Q9SCV5, BGAL7_ARATH Q75HQ3, BGAL7_ORYSJ Q9SCV4, BGAL8_ARATH
Q0DGD7, BGAL8_ORYSJ Q9SCV3, BGAL9_ARATH Q5Z7L0, BGAL9_ORYSJ
B0XMP7, BGALA_ASPFC B8N6V7, BGALA_ASPFN Q4WS33, BGALA_ASPFU
A2QAN3, BGALA_ASPNC Q2UCU3, BGALA_ASPOR Q4ZHV7, BGALA_ASPPH
Q5BFC4, BGALA_EMENI A1D1Z9, BGALA_NEOFI B8QGZ3, BGALA_PENEN
Q700S9, BGALA_PENSQ B0XNY2, BGALB_ASPFC B8NKI4, BGALB_ASPFN
Q4WRD3, BGALB_ASPFU A2QA64, BGALB_ASPNC Q2U6P1, BGALB_ASPOR
Q0CMF3, BGALB_ASPTN A6RPN7, BGALB_BOTFB Q5BEQ0, BGALB_EMENI
A1D199, BGALB_NEOFI B6GW04, BGALB_PENRW B2W791, BGALB_PYRTR
A7EBU5, BGALB_SCLS1 B6QLF0, BGALB_TALMQ A1CE56, BGALC_ASPCL
B0Y752, BGALC_ASPFC B8N2I5, BGALC_ASPFN Q4WNE4, BGALC_ASPFU
A2QL84, BGALC_ASPNC Q2UMD5, BGALC_ASPOR A1DM65, BGALC_NEOFI
B6H5X9, BGALC_PENRW A7EZS5, BGALC_SCLS1 B6QHA9, BGALC_TALMQ
B0XXE7, BGALE_ASPFC Q4WG05, BGALE_ASPFU A1DJ58, BGALE_NEOFI
P70753, BGAL_ACTPL A0KQH4, BGAL_AERHH C8WV58, BGAL_ALIAD
B4S2K9, BGAL_ALTMD Q59140, BGAL_ARTSB P29853, BGAL_ASPNG
P45582, BGAL_ASPOF A1A399, BGAL_BIFAA D4QFE7, BGAL_BIFB1
Q93GI5, BGAL_BIFLI Q58D55, BGAL_BOVIN P49676, BGAL_BRAOL
Q9TRY9, BGAL_CANLF Q9RFN0, BGAL_CARML A8AKB8, BGAL_CITK8
P24131, BGAL_CLOAT D9SM34, BGAL_CLOC7 Q0TUR6, BGAL_CLOP1
A7MN76, BGAL_CROS8 Q00662, BGAL_DIACA A7ZI91, BGAL_ECO24
B7UJI9, BGAL_ECO27 Q8X685, BGAL_ECO57 B5Z2P7, BGAL_ECO5E
A7ZWZ1, BGAL_ECOHS A1A831, BGAL_ECOK1 Q0TKT1, BGAL_ECOL5
Q8FKG6, BGAL_ECOL6 B1J0T5, BGAL_ECOLC P00722, BGAL_ECOLI
B7N8Q1, BGAL_ECOLU Q8VNN2, BGAL_ECOLX B1LIM9, BGAL_ECOSM
Q1RFJ2, BGAL_ECOUT A4W7D2, BGAL_ENT38 A3FEW8, BGAL_ENTAG
B2VHN8, BGAL_ERWT9 O19015, BGAL_FELCA P19668, BGAL_GEOKU
C9S0R2, BGAL_GEOSY Q9K9C6, BGAL_HALH5 P94804, BGAL_HALL2
B9LW38, BGAL_HALLT D5JGG0, BGAL_HEYCO P83252, BGAL_HORVU
P16278, BGAL_HUMAN B5XQY2, BGAL_KLEP3 P00723, BGAL_KLULA
O07684, BGAL_LACAC Q1G9Z4, BGAL_LACDA P0C1Y0, BGAL_LACDE
Q7WTB4, BGAL_LACHE Q48727, BGAL_LACLA Q48846, BGAL_LATSK
Q02603, BGAL_LEULA Q03WL0, BGAL_LEUMM Q60HF6, BGAL_MACFA
P48981, BGAL_MALDO P23780, BGAL_MOUSE Q04F24, BGAL_OENOB
Q6D736, BGAL_PECAS P85412, BGAL_PHODC Q6LL68, BGAL_PHOPR
P81669, BGAL_PINPS Q09HN2, BGAL_PLASL Q9KI47, BGAL_PLASS
Q5R7P4, BGAL_PONAB O52847, BGAL_PRIM3 P81650, BGAL_PSEHA
A1SWB8, BGAL_PSYIN O52629, BGAL_PYRWO Q59750, BGAL_RHIML
P30812, BGAL_RHIRD P22498, BGAL_SACS2 P50388, BGAL_SACSH
A9MQ82, BGAL_SALAR A8GGN3, BGAL_SERP5 Q32JB6, BGAL_SHIDS
Q3Z583, BGAL_SHISS P48980, BGAL_SOLLC O33815, BGAL_STAXY
P23989, BGAL_STRTR P14288, BGAL_SULAC Q9X6C6, BGAL_THEBO
Q56307, BGAL_THEMA P77989, BGAL_THEP3 O69315, BGAL_THETH
P26257, BGAL_THETU A5F5U6, BGAL_VIBC3 Q8D4H3, BGAL_VIBVU
Q7MG04, BGAL_VIBVY P48982, BGAL_XANMN A1JTC4, BGAL_YERE8
A7FH78, BGAL_YERP3 Q1C6T8, BGAL_YERPA B2K6E6, BGAL_YERPB
Q7CIZ3, BGAL_YERPE A9R0J8, BGAL_YERPG Q1CI76, BGAL_YERPN
A4TLL5, BGAL_YERPP Q669R9, BGAL_YERPS B1JI86, BGAL_YERPY
O07685, BGAM_LACAC Q7WTB3, BGAM_LACHE Q48847, BGAM_LATSK
Q02604, BGAM_LEULA A7LXS9, BGH2A_BACO1 E4Q361, GH1A_CALOW

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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 3.2.1.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 3.2.-.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 3.-.-.-