General Information of Drug-Metabolizing Enzyme (DME) (ID: DE5EO4Y)

DME Name Sucrase-isomaltase intestinal (SI)
Synonyms Intestinal sucrase-isomaltase; Isomaltase; Sucrase; SI
Gene Name SI
UniProt ID
SUIS_HUMAN
INTEDE ID
DME0457
3D Structure
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2D Sequence (FASTA)
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3D Structure (PDB)
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Gene ID
6476
EC Number EC: 3.2.1.48
Hydrolases
Glycosylase
O/S-glycosyl compound glycosidase
EC: 3.2.1.48
Lineage Species: Homo sapiens
Kingdom: Metazoa
Phylum: Chordata
Class: Mammalia
Order: Primates
Family: Hominidae
Genus: Homo
Species: Homo sapiens
Sequence
MARKKFSGLEISLIVLFVIVTIIAIALIVVLATKTPAVDEISDSTSTPATTRVTTNPSDS
GKCPNVLNDPVNVRINCIPEQFPTEGICAQRGCCWRPWNDSLIPWCFFVDNHGYNVQDMT
TTSIGVEAKLNRIPSPTLFGNDINSVLFTTQNQTPNRFRFKITDPNNRRYEVPHQYVKEF
TGPTVSDTLYDVKVAQNPFSIQVIRKSNGKTLFDTSIGPLVYSDQYLQISTRLPSDYIYG
IGEQVHKRFRHDLSWKTWPIFTRDQLPGDNNNNLYGHQTFFMCIEDTSGKSFGVFLMNSN
AMEIFIQPTPIVTYRVTGGILDFYILLGDTPEQVVQQYQQLVGLPAMPAYWNLGFQLSRW
NYKSLDVVKEVVRRNREAGIPFDTQVTDIDYMEDKKDFTYDQVAFNGLPQFVQDLHDHGQ
KYVIILDPAISIGRRANGTTYATYERGNTQHVWINESDGSTPIIGEVWPGLTVYPDFTNP
NCIDWWANECSIFHQEVQYDGLWIDMNEVSSFIQGSTKGCNVNKLNYPPFTPDILDKLMY
SKTICMDAVQNWGKQYDVHSLYGYSMAIATEQAVQKVFPNKRSFILTRSTFAGSGRHAAH
WLGDNTASWEQMEWSITGMLEFSLFGIPLVGADICGFVAETTEELCRRWMQLGAFYPFSR
NHNSDGYEHQDPAFFGQNSLLVKSSRQYLTIRYTLLPFLYTLFYKAHVFGETVARPVLHE
FYEDTNSWIEDTEFLWGPALLITPVLKQGADTVSAYIPDAIWYDYESGAKRPWRKQRVDM
YLPADKIGLHLRGGYIIPIQEPDVTTTASRKNPLGLIVALGENNTAKGDFFWDDGETKDT
IQNGNYILYTFSVSNNTLDIVCTHSSYQEGTTLAFQTVKILGLTDSVTEVRVAENNQPMN
AHSNFTYDASNQVLLIADLKLNLGRNFSVQWNQIFSENERFNCYPDADLATEQKCTQRGC
VWRTGSSLSKAPECYFPRQDNSYSVNSARYSSMGITADLQLNTANARIKLPSDPISTLRV
EVKYHKNDMLQFKIYDPQKKRYEVPVPLNIPTTPISTYEDRLYDVEIKENPFGIQIRRRS
SGRVIWDSWLPGFAFNDQFIQISTRLPSEYIYGFGEVEHTAFKRDLNWNTWGMFTRDQPP
GYKLNSYGFHPYYMALEEEGNAHGVFLLNSNAMDVTFQPTPALTYRTVGGILDFYMFLGP
TPEVATKQYHEVIGHPVMPAYWALGFQLCRYGYANTSEVRELYDAMVAANIPYDVQYTDI
DYMERQLDFTIGEAFQDLPQFVDKIRGEGMRYIIILDPAISGNETKTYPAFERGQQNDVF
VKWPNTNDICWAKVWPDLPNITIDKTLTEDEAVNASRAHVAFPDFFRTSTAEWWAREIVD
FYNEKMKFDGLWIDMNEPSSFVNGTTTNQCRNDELNYPPYFPELTKRTDGLHFRTICMEA
EQILSDGTSVLHYDVHNLYGWSQMKPTHDALQKTTGKRGIVISRSTYPTSGRWGGHWLGD
NYARWDNMDKSIIGMMEFSLFGMSYTGADICGFFNNSEYHLCTRWMQLGAFYPYSRNHNI
ANTRRQDPASWNETFAEMSRNILNIRYTLLPYFYTQMHEIHANGGTVIRPLLHEFFDEKP
TWDIFKQFLWGPAFMVTPVLEPYVQTVNAYVPNARWFDYHTGKDIGVRGQFQTFNASYDT
INLHVRGGHILPCQEPAQNTFYSRQKHMKLIVAADDNQMAQGSLFWDDGESIDTYERDLY
LSVQFNLNQTTLTSTILKRGYINKSETRLGSLHVWGKGTTPVNAVTLTYNGNKNSLPFNE
DTTNMILRIDLTTHNVTLEEPIEINWS
Function This enzyme plays an important role in the final stage of carbohydrate digestion. It is specific for both alpha-1,4- and alpha-1,6-oligosaccharides.
KEGG Pathway
Carbohydrate digestion and absorption (hsa04973 )
Galactose metabolism (hsa00052 )
Metabolic pathways (hsa01100 )
Starch and sucrose metabolism (hsa00500 )
Reactome Pathway
Intestinal saccharidase deficiencies (R-HSA-5659898 )
Digestion of dietary carbohydrate (R-HSA-189085 )

Molecular Interaction Atlas (MIA) of This DME

Molecular Interaction Atlas (MIA) Jump to Detail Molecular Interaction Atlas of This DME
1 Clinical Trial Drug(s) Metabolized by This DME
Drug Name Drug ID Indication ICD 11 Highest Status REF
Maltose DMH0ROP N. A. N. A. Phase 1/2 [1]
Experimental Enzyme Kinetic Data of Drugs
Drug Name Indication Highest Status Kinetic Data REF
Maltose N. A. Phase 1/2 Km = 7.1 microM [1]

Molecular Expression Atlas (MEA) of This DME

Molecular Expression Atlas (MEA) Jump to Detail Molecular Expression Atlas of This DME
Disease Name ICD 11 Studied Tissue p-value Fold-Change Z-score
Acute myelocytic leukaemia 2B33.1 Bone marrow 2.39E-01 1.12E-02 9.50E-02
Alopecia ED70 Skin from scalp 4.51E-02 4.75E-02 3.57E-01
Alzheimer's disease 8A20 Entorhinal cortex 3.35E-01 9.64E-03 8.95E-02
Ankylosing spondylitis FA92.0 Pheripheral blood 8.87E-01 -1.60E-02 -1.05E-01
Aortic stenosis BB70 Calcified aortic valve 8.26E-01 -1.67E-02 -3.45E-02
Apnea 7A40 Hyperplastic tonsil 3.89E-01 -3.52E-02 -4.26E-01
Arthropathy FA00-FA5Z Peripheral blood 5.46E-02 4.11E-02 4.43E-01
Asthma CA23 Nasal and bronchial airway 4.83E-01 -5.31E-03 -2.02E-02
Atopic dermatitis EA80 Skin 3.26E-06 1.23E-01 1.25E+00
Autism 6A02 Whole blood 6.85E-01 2.06E-02 2.23E-01
Autoimmune uveitis 9A96 Peripheral monocyte 9.83E-01 4.67E-02 3.88E-01
Autosomal dominant monocytopenia 4B04 Whole blood 4.01E-01 6.28E-03 5.88E-02
Bacterial infection of gingival 1C1H Gingival tissue 4.86E-01 8.29E-03 9.25E-02
Batten disease 5C56.1 Whole blood 3.59E-01 4.29E-02 4.21E-01
Behcet's disease 4A62 Peripheral blood 1.08E-02 -1.35E-01 -1.06E+00
Bipolar disorder 6A60-6A6Z Prefrontal cortex 5.33E-01 2.88E-02 2.60E-01
Bladder cancer 2C94 Bladder tissue 1.93E-02 8.65E-02 7.99E-01
Breast cancer 2C60-2C6Z Breast tissue 2.62E-01 1.87E-02 1.65E-01
Cardioembolic stroke 8B11.20 Whole blood 3.10E-02 4.96E-02 4.32E-01
Cervical cancer 2C77 Cervical tissue 7.04E-01 -5.81E-03 -5.50E-02
Childhood onset rheumatic disease FA20.Z Peripheral blood 6.62E-01 2.32E-02 2.54E-01
Chronic hepatitis C 1E51.1 Whole blood 6.34E-01 -4.55E-02 -2.65E-01
Chronic obstructive pulmonary disease CA22 Lung tissue 1.62E-01 3.22E-02 3.12E-01
Chronic obstructive pulmonary disease CA22 Small airway epithelium 1.41E-01 4.27E-02 4.54E-01
Chronic rhinosinusitis CA0A Sinus mucosa tissue 3.08E-01 -3.38E-02 -3.79E-01
Colon cancer 2B90 Colon tissue 1.42E-171 -4.91E+00 -5.64E+00
Coronary artery disease BA80-BA8Z Peripheral blood 4.40E-01 5.20E-02 5.51E-01
Diffuse large B-cell lymphoma 2A81 Tonsil tissue 6.93E-01 -2.51E-02 -1.69E-01
Endometriosis GA10 Endometrium tissue 7.12E-01 -3.12E-03 -2.95E-02
Familial hypercholesterolemia 5C80.00 Peripheral blood 7.94E-01 -1.03E-01 -1.23E+00
Familial hypercholesterolemia 5C80.00 Whole blood 4.59E-01 -5.91E-02 -6.11E-01
Gastric cancer 2B72 Gastric tissue 2.95E-06 2.04E+00 8.98E+00
Glioblastopma 2A00.00 Nervous tissue 3.75E-07 -4.30E-02 -2.96E-01
Glioma 2A00.0Y-2A00.0Z Brain stem tissue 5.43E-01 5.86E-02 5.90E-01
Glioma 2A00.0Y-2A00.0Z White matter tissue 4.17E-01 -1.22E-01 -7.32E-01
Head and neck cancer 2D42 Head and neck tissue 2.80E-02 2.24E-02 2.30E-01
HIV-associated neurocognitive impairment 8A2Y-8A2Z White matter tissue 9.67E-01 2.01E-03 1.55E-02
Huntington's disease 8A01.10 Whole blood 2.10E-01 -1.76E-02 -1.94E-01
Idiopathic pulmonary fibrosis CB03.4 Lung tissue 3.46E-02 -1.17E-01 -1.24E+00
Immunodeficiency 4A00-4A20 Peripheral blood 7.68E-01 2.80E-02 2.87E-01
Influenza 1E30 Whole blood 1.60E-02 1.73E-01 2.48E+00
Interstitial cystitis GC00.3 Bladder tissue 6.31E-01 0.00E+00 0.00E+00
Intracranial aneurysm 8B01.0 Intracranial artery 7.82E-01 4.35E-03 2.80E-02
Irritable bowel syndrome DD91.0 Rectal colon tissue 7.48E-02 -7.86E-02 -1.75E-01
Ischemic stroke 8B11 Peripheral blood 3.73E-01 -2.86E-02 -2.36E-01
Juvenile idiopathic arthritis FA24 Peripheral blood 6.02E-01 8.24E-02 3.00E-01
Lateral sclerosis 8B60.4 Skin 9.41E-01 -2.05E-02 -2.35E-01
Lateral sclerosis 8B60.4 Cervical spinal cord 6.55E-03 1.11E-01 1.22E+00
Liver cancer 2C12.0 Liver tissue 6.29E-02 -2.40E-02 -1.86E-01
Liver failure DB99.7-DB99.8 Liver tissue 1.12E-03 -2.17E-01 -2.39E+00
Lung cancer 2C25 Lung tissue 1.64E-02 -9.95E-03 -8.81E-02
Lupus erythematosus 4A40 Whole blood 2.42E-06 7.84E-02 4.98E-01
Major depressive disorder 6A70-6A7Z Hippocampus 3.65E-01 4.42E-02 3.66E-01
Major depressive disorder 6A70-6A7Z Whole blood 7.17E-01 -2.05E-03 -9.27E-03
Melanoma 2C30 Skin 8.73E-02 -1.45E-01 -3.19E-01
Multiple myeloma 2A83.1 Peripheral blood 5.00E-01 5.48E-02 3.30E-01
Multiple myeloma 2A83.1 Bone marrow 1.16E-03 -1.37E-01 -1.76E+00
Multiple sclerosis 8A40 Plasmacytoid dendritic cells 4.40E-01 -4.02E-02 -2.14E-01
Myelodysplastic syndrome 2A36-2A3Z Bone marrow 1.39E-01 -4.69E-02 -3.96E-01
Myelofibrosis 2A20.2 Whole blood 3.94E-02 4.39E-02 3.28E-01
Myocardial infarction BA41-BA50 Peripheral blood 1.66E-01 2.65E-02 8.68E-02
Myopathy 8C70.6 Muscle tissue 6.53E-01 5.92E-02 1.63E-01
Neonatal sepsis KA60 Whole blood 1.83E-01 2.33E-02 1.91E-01
Neuroectodermal tumour 2A00.11 Brain stem tissue 3.98E-03 -8.23E-02 -9.07E-01
Non-alcoholic fatty liver disease DB92 Liver tissue 3.49E-01 6.70E-03 1.33E-01
Obesity related type 2 diabetes 5A11 Omental adipose tissue 3.84E-02 2.07E-01 1.38E+00
Olive pollen allergy CA08.00 Peripheral blood 4.15E-01 -1.19E-02 -3.16E-02
Oral cancer 2B6E Oral tissue 7.72E-02 -7.80E-02 -4.94E-01
Osteoarthritis FA00-FA0Z Synovial tissue 2.33E-01 5.63E-03 6.96E-02
Osteoporosis FB83.1 Bone marrow 7.35E-01 -9.91E-02 -2.17E+00
Ovarian cancer 2C73 Ovarian tissue 3.49E-01 -1.12E-01 -4.80E-01
Pancreatic cancer 2C10 Pancreas 6.27E-01 -4.12E-02 -2.36E-02
Parkinson's disease 8A00.0 Substantia nigra tissue 4.10E-01 5.79E-02 7.28E-01
Pediatric respiratory syncytial virus infection CA40.11 Peripheral blood 3.21E-01 -3.45E-02 -3.58E-01
Pituitary cancer 2D12 Pituitary tissue 9.94E-01 3.23E-02 2.39E-01
Pituitary gonadotrope tumour 2D12 Pituitary tissue 5.01E-01 1.90E-02 1.62E-01
Polycystic ovary syndrome 5A80.1 Vastus lateralis muscle 1.32E-01 -6.04E-02 -5.67E-01
Polycythemia vera 2A20.4 Whole blood 9.21E-02 -1.96E-02 -1.77E-01
Pompe disease 5C51.3 Biceps muscle 2.09E-01 -6.21E-02 -3.93E-01
Preterm birth KA21.4Z Myometrium 4.81E-02 -9.00E-02 -9.52E-01
Prostate cancer 2C82 Prostate 2.45E-01 6.12E-02 4.29E-02
Psoriasis EA90 Skin 9.97E-01 -1.38E-02 -9.21E-02
Rectal cancer 2B92 Rectal colon tissue 4.36E-06 -3.62E+00 -4.10E+00
Renal cancer 2C90-2C91 Kidney 3.39E-02 -1.21E-01 -8.58E-01
Retinoblastoma 2D02.2 Uvea 6.24E-01 8.39E-03 1.46E-01
Rheumatoid arthritis FA20 Synovial tissue 8.37E-01 -4.02E-02 -3.08E-01
Rhinovirus infection CA42.1 Nasal epithelium tissue 7.20E-01 1.71E-03 1.97E-02
Schizophrenia 6A20 Prefrontal cortex 6.73E-01 -1.93E-02 -1.33E-01
Schizophrenia 6A20 Superior temporal cortex 8.74E-01 -2.25E-03 -2.53E-02
Scleroderma 4A42.Z Whole blood 5.38E-02 7.39E-02 6.66E-01
Seizure 8A60-8A6Z Whole blood 4.54E-01 -1.77E-02 -1.09E-01
Sensitive skin EK0Z Skin 2.77E-01 5.92E-02 9.46E-01
Sepsis with septic shock 1G41 Whole blood 2.15E-04 5.40E-02 3.57E-01
Shwachman-Diamond syndrome 3A70.0 Bone marrow 4.46E-01 1.11E-01 1.13E+00
Sickle cell disease 3A51.0-3A51.3 Peripheral blood 2.54E-02 1.25E-01 1.23E+00
Simpson golabi behmel syndrome LD2C Adipose tissue 9.12E-01 -3.52E-02 -4.64E-01
Sjogren's syndrome 4A43.2 Salivary gland tissue 9.50E-03 1.02E-01 2.70E+00
Skin cancer 2C30-2C3Z Skin 2.39E-12 9.38E-02 6.52E-01
Thrombocythemia 3B63 Whole blood 3.67E-02 5.52E-02 4.74E-01
Thrombocytopenia 3B64 Whole blood 3.52E-01 -2.34E-01 -8.77E-01
Thyroid cancer 2D10 Thyroid 4.08E-01 -1.94E-02 -1.42E-01
Tibial muscular dystrophy 8C75 Muscle tissue 2.80E-01 3.69E-03 3.51E-02
Tuberous sclerosis complex LD2D.2 Perituberal tissue 6.48E-01 4.21E-02 6.16E-01
Type 2 diabetes 5A11 Liver tissue 5.34E-01 -5.94E-03 -1.31E-01
Ureter cancer 2C92 Urothelium 8.47E-01 7.09E-02 3.47E-01
Uterine cancer 2C78 Endometrium tissue 8.97E-02 3.05E-02 2.26E-01
Vitiligo ED63.0 Skin 2.01E-01 -2.16E-02 -2.45E-01
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⏷ Show the Full List of DME Expression Under 107 Diseases

References

1 Structural basis for substrate selectivity in human maltase-glucoamylase and sucrase-isomaltase N-terminal domains. J Biol Chem. 2010 Jun 4;285(23):17763-70.