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1E4O

Phosphorylase recognition and phosphorolysis of its oligosaccharide substrate: answers to a long outstanding question

Functional Information from GO Data
ChainGOidnamespacecontents
A0004645molecular_function1,4-alpha-oligoglucan phosphorylase activity
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0005975biological_processcarbohydrate metabolic process
A0005980biological_processglycogen catabolic process
A0008184molecular_functionglycogen phosphorylase activity
A0016757molecular_functionglycosyltransferase activity
A0030170molecular_functionpyridoxal phosphate binding
A0030980biological_processalpha-glucan catabolic process
A0031220molecular_functionmaltodextrin phosphorylase activity
A0042803molecular_functionprotein homodimerization activity
A0102250molecular_functionlinear malto-oligosaccharide phosphorylase activity
A0102499molecular_functionSHG alpha-glucan phosphorylase activity
B0004645molecular_function1,4-alpha-oligoglucan phosphorylase activity
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0005975biological_processcarbohydrate metabolic process
B0005980biological_processglycogen catabolic process
B0008184molecular_functionglycogen phosphorylase activity
B0016757molecular_functionglycosyltransferase activity
B0030170molecular_functionpyridoxal phosphate binding
B0030980biological_processalpha-glucan catabolic process
B0031220molecular_functionmaltodextrin phosphorylase activity
B0042803molecular_functionprotein homodimerization activity
B0102250molecular_functionlinear malto-oligosaccharide phosphorylase activity
B0102499molecular_functionSHG alpha-glucan phosphorylase activity
Functional Information from PROSITE/UniProt
site_idPS00102
Number of Residues13
DetailsPHOSPHORYLASE Phosphorylase pyridoxal-phosphate attachment site. EASGtGnMKlaLN
ChainResidueDetails
AGLU637-ASN649

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsMOD_RES: N6-acetyllysine => ECO:0000269|PubMed:18723842
ChainResidueDetails
ALEU251
BLEU251

site_idSWS_FT_FI2
Number of Residues2
DetailsMOD_RES: N6-(pyridoxal phosphate)lysine
ChainResidueDetails
ALEU646
BLEU646

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1gpa
ChainResidueDetails
ATHR641
ALYS533
AARG534
ALYS539

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1gpa
ChainResidueDetails
BTHR641
BLYS533
BARG534
BLYS539

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PDB entries from 2024-07-10

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