Structure of PDB 1l7x Chain A Binding Site BS05

Receptor Information
>1l7x Chain A (length=793) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ENVAELKKSFNRHLHFTLVKDRNVATTRDYYFALAHTVRDHLVGRWIRTQ
QHYYDKCPKRVYYLSLEFYMGRTLQNTMINLGLQNACDEAIYQLGLDIEE
LEEIEEDAGLGNGGLGRLAACFLDSMATLGLAAYGYGIRYEYGIFNQKIR
DGWQVEEADDWLRYGNPWEKSRPEFMLPVHFYGKVEHTNTGTKWIDTQVV
LALPYDTPVPGYMNNTVNTMRLWSARAPNDGDYIQAVLDRNLAENISRVL
YPNDNFFEGKELRLKQEYFVVAATLQDIIRRFKASKFTVFDAFPDQVAIQ
LNDTHPALAIPELMRIFVDIEKLPWSKAWELTQKTFAYTNHTVLPEALER
WPVDLVEKLLPRHLEIIYEINQKHLDRIVALFPKDVDRLRRMSLIEEEGS
KRINMAHLCIVGSHAVNGVAKIHSDIVKTKVFKDFSELEPDKFQNKTNGI
TPRRWLLLCNPGLAELIAEKIGEDYVKDLSQLTKLHSFLGDDVFLRELAK
VKQENKLKFSQFLETEYKVKINPSSMFDVQVKRIHEYKRQLLNCLHVITM
YNRIKKDPKKLFVPRTVIIGGKAAPGYHMAKMIIKLITSVADVVNNDPMV
GSKLKVIFLENYRVSLAEKVIPATDLSEQISTAGTEASGTGNMKFMLNGA
LTIGTMDGANVEMAEEAGEENLFIFGMRIDDVAALDKKGYEAKEYYEALP
ELKLVIDQIDNGFFSPKQPDLFKDIINMLFYHDRFKVFADYEAYVKCQDK
VSQLYMNPKAWNTMVLKNIAASGKFSSDRTIKEYAQNIWNVEP
Ligand information
Ligand IDCFF
InChIInChI=1S/C8H10N4O2/c1-10-4-9-6-5(10)7(13)12(3)8(14)11(6)2/h4H,1-3H3
InChIKeyRYYVLZVUVIJVGH-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341Cn1cnc2N(C)C(=O)N(C)C(=O)c12
ACDLabs 10.04O=C2N(c1ncn(c1C(=O)N2C)C)C
OpenEye OEToolkits 1.5.0Cn1cnc2c1C(=O)N(C(=O)N2C)C
FormulaC8 H10 N4 O2
NameCAFFEINE;
3,7-DIHYDRO-1,3,7-TRIMETHYL-1H-PURINE-2,6-DIONE
ChEMBLCHEMBL113
DrugBankDB00201
ZINCZINC000000001084
PDB chain1l7x Chain A Residue 864 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1l7x Structure-activity analysis of the purine binding site of human liver glycogen phosphorylase.
Resolution2.3 Å
Binding residue
(original residue number in PDB)
W174 H614
Binding residue
(residue number reindexed from 1)
W153 H578
Annotation score1
Binding affinityMOAD: Kd=92uM
PDBbind-CN: -logKd/Ki=4.04,Kd=92uM
Enzymatic activity
Catalytic site (original residue number in PDB) H377 K568 R569 K574 T676 K680
Catalytic site (residue number reindexed from 1) H341 K532 R533 K538 T640 K644
Enzyme Commision number 2.4.1.1: glycogen phosphorylase.
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0002060 purine nucleobase binding
GO:0004645 1,4-alpha-oligoglucan phosphorylase activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0005536 D-glucose binding
GO:0008184 glycogen phosphorylase activity
GO:0016208 AMP binding
GO:0016757 glycosyltransferase activity
GO:0019842 vitamin binding
GO:0030170 pyridoxal phosphate binding
GO:0030246 carbohydrate binding
GO:0032052 bile acid binding
GO:0042802 identical protein binding
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0005977 glycogen metabolic process
GO:0005980 glycogen catabolic process
GO:0006015 5-phosphoribose 1-diphosphate biosynthetic process
GO:0009617 response to bacterium
GO:0042593 glucose homeostasis
GO:0070266 necroptotic process
Cellular Component
GO:0005576 extracellular region
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0034774 secretory granule lumen
GO:0070062 extracellular exosome
GO:1904813 ficolin-1-rich granule lumen

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:1l7x, PDBe:1l7x, PDBj:1l7x
PDBsum1l7x
PubMed12204691
UniProtP06737|PYGL_HUMAN Glycogen phosphorylase, liver form (Gene Name=PYGL)

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