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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
BRENDA3.2.1.23
EC2PDB3.2.1.23
ExplorEnz3.2.1.23
PRIAM enzyme-specific profiles3.2.1.23
KEGG Ligand Database for Enzyme Nomenclature3.2.1.23
IUBMB Enzyme Nomenclature3.2.1.23
IntEnz3.2.1.23
MEDLINEFind literature relating to 3.2.1.23
MetaCyc3.2.1.23
Rhea expert-curated reactions3.2.1.23
UniProtKB/Swiss-Prot
O86372, BDGAL_MYCTUQ9FN08, BGA10_ARATHQ67VU7, BGA10_ORYSJ
Q9SCV1, BGA11_ARATHQ6ZJJ0, BGA11_ORYSJQ9SCV0, BGA12_ARATH
Q0IZZ8, BGA12_ORYSJQ9SCU9, BGA13_ARATHQ7G3T8, BGA13_ORYSJ
Q9SCU8, BGA14_ARATHQ7XFK2, BGA14_ORYSJQ9C6W4, BGA15_ARATH
Q0INM3, BGA15_ORYSJQ8GX69, BGA16_ARATHQ93Z24, BGA17_ARATH
P06864, BGA2_ECOLIA1A3T0, BGAC_BIFAAQ9SCW1, BGAL1_ARATH
Q44233, BGAL1_ARTSPQ65KX8, BGAL1_BACLDO31529, BGAL1_BACSU
Q54GE1, BGAL1_DICDIQ47077, BGAL1_ENTCLA6T8X0, BGAL1_KLEP7
P06219, BGAL1_KLEPNQ5FJ41, BGAL1_LACACQ8RUV9, BGAL1_ORYSJ
Q8GEA9, BGAL1_THESPQ9LFA6, BGAL2_ARATHC7ASJ5, BGAL2_ARTSP
Q65CX4, BGAL2_BACLDO07012, BGAL2_BACSUQ54MV6, BGAL2_DICDI
Q2XQU3, BGAL2_ENTCLA6TI29, BGAL2_KLEP7A7KGA5, BGAL2_KLEPN
C6H178, BGAL2_LACAIQ8W0A1, BGAL2_ORYSJO54315, BGAL2_THESP
Q9SCV9, BGAL3_ARATHQ5N8X6, BGAL3_ORYSJQ9SCV8, BGAL4_ARATH
A2X2H7, BGAL4_ORYSIQ6Z6K4, BGAL4_ORYSJQ9MAJ7, BGAL5_ARATH
Q10RB4, BGAL5_ORYSJQ9FFN4, BGAL6_ARATHQ10NX8, BGAL6_ORYSJ
Q9SCV5, BGAL7_ARATHQ75HQ3, BGAL7_ORYSJQ9SCV4, BGAL8_ARATH
Q0DGD7, BGAL8_ORYSJQ9SCV3, BGAL9_ARATHQ5Z7L0, BGAL9_ORYSJ
B0XMP7, BGALA_ASPFCB8N6V7, BGALA_ASPFNQ4WS33, BGALA_ASPFU
A2QAN3, BGALA_ASPNCQ2UCU3, BGALA_ASPORQ4ZHV7, BGALA_ASPPH
Q5BFC4, BGALA_EMENIA1D1Z9, BGALA_NEOFIB8QGZ3, BGALA_PENEN
Q700S9, BGALA_PENSQB0XNY2, BGALB_ASPFCB8NKI4, BGALB_ASPFN
Q4WRD3, BGALB_ASPFUA2QA64, BGALB_ASPNCQ2U6P1, BGALB_ASPOR
Q0CMF3, BGALB_ASPTNA6RPN7, BGALB_BOTFBQ5BEQ0, BGALB_EMENI
A1D199, BGALB_NEOFIB6GW04, BGALB_PENRWB2W791, BGALB_PYRTR
A7EBU5, BGALB_SCLS1B6QLF0, BGALB_TALMQA1CE56, BGALC_ASPCL
B0Y752, BGALC_ASPFCB8N2I5, BGALC_ASPFNQ4WNE4, BGALC_ASPFU
A2QL84, BGALC_ASPNCQ2UMD5, BGALC_ASPORA1DM65, BGALC_NEOFI
B6H5X9, BGALC_PENRWA7EZS5, BGALC_SCLS1B6QHA9, BGALC_TALMQ
B0XXE7, BGALE_ASPFCQ4WG05, BGALE_ASPFUA1DJ58, BGALE_NEOFI
P70753, BGAL_ACTPLA0KQH4, BGAL_AERHHC8WV58, BGAL_ALIAD
B4S2K9, BGAL_ALTMDQ59140, BGAL_ARTSBP29853, BGAL_ASPNG
P45582, BGAL_ASPOFA1A399, BGAL_BIFAAD4QFE7, BGAL_BIFB1
Q93GI5, BGAL_BIFLIQ58D55, BGAL_BOVINP49676, BGAL_BRAOL
Q9TRY9, BGAL_CANLFQ9RFN0, BGAL_CARMLA8AKB8, BGAL_CITK8
P24131, BGAL_CLOATD9SM34, BGAL_CLOC7Q0TUR6, BGAL_CLOP1
A7MN76, BGAL_CROS8Q00662, BGAL_DIACAA7ZI91, BGAL_ECO24
B7UJI9, BGAL_ECO27Q8X685, BGAL_ECO57B5Z2P7, BGAL_ECO5E
A7ZWZ1, BGAL_ECOHSA1A831, BGAL_ECOK1Q0TKT1, BGAL_ECOL5
Q8FKG6, BGAL_ECOL6B1J0T5, BGAL_ECOLCP00722, BGAL_ECOLI
B7N8Q1, BGAL_ECOLUQ8VNN2, BGAL_ECOLXB1LIM9, BGAL_ECOSM
Q1RFJ2, BGAL_ECOUTA4W7D2, BGAL_ENT38A3FEW8, BGAL_ENTAG
B2VHN8, BGAL_ERWT9O19015, BGAL_FELCAP19668, BGAL_GEOKU
C9S0R2, BGAL_GEOSYQ9K9C6, BGAL_HALH5P94804, BGAL_HALL2
B9LW38, BGAL_HALLTP83252, BGAL_HORVUP16278, BGAL_HUMAN
B5XQY2, BGAL_KLEP3P00723, BGAL_KLULAO07684, BGAL_LACAC
Q1G9Z4, BGAL_LACDAP0C1Y0, BGAL_LACDEQ7WTB4, BGAL_LACHE
Q48727, BGAL_LACLAQ48846, BGAL_LATSKQ02603, BGAL_LEULA
Q03WL0, BGAL_LEUMMQ60HF6, BGAL_MACFAP48981, BGAL_MALDO
P23780, BGAL_MOUSEQ04F24, BGAL_OENOBQ6D736, BGAL_PECAS
P85412, BGAL_PHODCQ6LL68, BGAL_PHOPRP81669, BGAL_PINPS
Q09HN2, BGAL_PLASLQ9KI47, BGAL_PLASSQ5R7P4, BGAL_PONAB
O52847, BGAL_PRIM3P81650, BGAL_PSEHAA1SWB8, BGAL_PSYIN
O52629, BGAL_PYRWOQ59750, BGAL_RHIMLP30812, BGAL_RHIRD
P22498, BGAL_SACS2P50388, BGAL_SACSHA9MQ82, BGAL_SALAR
A8GGN3, BGAL_SERP5Q32JB6, BGAL_SHIDSQ3Z583, BGAL_SHISS
P48980, BGAL_SOLLCO33815, BGAL_STAXYP23989, BGAL_STRTR
P14288, BGAL_SULACQ9X6C6, BGAL_THEBOQ56307, BGAL_THEMA
P77989, BGAL_THEP3O69315, BGAL_THETHP26257, BGAL_THETU
A5F5U6, BGAL_VIBC3Q8D4H3, BGAL_VIBVUQ7MG04, BGAL_VIBVY
D5JGG0, BGAL_WEICAP48982, BGAL_XANMNA1JTC4, BGAL_YERE8
A7FH78, BGAL_YERP3Q1C6T8, BGAL_YERPAB2K6E6, BGAL_YERPB
Q7CIZ3, BGAL_YERPEA9R0J8, BGAL_YERPGQ1CI76, BGAL_YERPN
A4TLL5, BGAL_YERPPQ669R9, BGAL_YERPSB1JI86, BGAL_YERPY
O07685, BGAM_LACACQ7WTB3, BGAM_LACHEQ48847, BGAM_LATSK
Q02604, BGAM_LEULAA7LXS9, BGH2A_BACO1

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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.-.-.-