Structure of PDB 2d33 Chain B Binding Site BS05

Receptor Information
>2d33 Chain B (length=503) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MIPDVSQALAWLEKHPQALKGIQRGLERETLRVNADGTLATTGHPEALGS
ALTHKWITTDFAEALLEFITPVDGDIEHMLTFMRDLHRYTARNMGDERMW
PLSMPSYIAEGQDIELAQYGTSNTGRFKTLYREGLKNRYGALMQTISGVH
YNFSLPMAFWQAKSAKEKISAGYFRVIRNYYRFGWVIPYLFGASPAISSS
FLSLPFEKTESGMYYLPYATSLRLSDLGYTNSNLGITFNDLYEYVAGLKQ
AIKTPSEEYAKIGIEKDGKRLQINSNVLQIENELYAPIRPKRVTRSGESP
SDALLRGGIEYIEVRSLDINPFSPIGVDEQQVRFLDLFMVWCALADAPEM
SSSELACTRVNWNRVILEGRKPGLTLGIGCETAQFPLPQVGKDLFRDLKR
VAQTLDSINGGEAYQKVCDELVACFDNPDLTFSARILRSMIDTGIGGTGK
AFAEAYRNLLREEPLEILREEDFVAEREASERRQQEMEAADTEPFAVWLE
KHA
Ligand information
Ligand IDCYS
InChIInChI=1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1
InChIKeyXUJNEKJLAYXESH-REOHCLBHSA-N
SMILES
SoftwareSMILES
CACTVS 3.341N[CH](CS)C(O)=O
OpenEye OEToolkits 1.5.0C([C@@H](C(=O)O)N)S
CACTVS 3.341N[C@@H](CS)C(O)=O
ACDLabs 10.04O=C(O)C(N)CS
OpenEye OEToolkits 1.5.0C(C(C(=O)O)N)S
FormulaC3 H7 N O2 S
NameCYSTEINE
ChEMBLCHEMBL863
DrugBankDB00151
ZINCZINC000000895042
PDB chain2d33 Chain B Residue 1520 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2d33 Crystal structure of gamma-glutamylcysteine synthetase: insights into the mechanism of catalysis by a key enzyme for glutathione homeostasis.
Resolution2.6 Å
Binding residue
(original residue number in PDB)		D60 F61 Y131 R132 Y241 Y300
Binding residue
(residue number reindexed from 1)		D60 F61 Y131 R132 Y229 Y285
Annotation score5
Enzymatic activity
Enzyme Commision number 6.3.2.2: glutamate--cysteine ligase.
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004357 glutamate-cysteine ligase activity
GO:0005524 ATP binding
GO:0016874 ligase activity
GO:0016879 ligase activity, forming carbon-nitrogen bonds
GO:0046872 metal ion binding
Biological Process
GO:0006750 glutathione biosynthetic process
GO:0006972 hyperosmotic response
GO:0071243 cellular response to arsenic-containing substance
GO:0071288 cellular response to mercury ion
Cellular Component
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2d33, PDBe:2d33, PDBj:2d33
PDBsum2d33
PubMed
UniProtP0A6W9|GSH1_ECOLI Glutamate--cysteine ligase (Gene Name=gshA)

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