Structure of PDB 2hz1 Chain A Binding Site BS01

Receptor Information
>2hz1 Chain A (length=123) Species: 1148 (Synechocystis sp. PCC 6803) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
STLYEKLGGTTAVDLAVDKFYERVLQDDRIKHFFADVDMAKQRAHQKAFL
TYAFGGTDKYDGRYMREAHKELVENHGLNGEHFDAVAEDLLATLKEMGVP
EDLIAEVAAVAGAPAHKRDVLNQ
Ligand information
Ligand IDSO3
InChIInChI=1S/H2O3S/c1-4(2)3/h(H2,1,2,3)/p-2
InChIKeyLSNNMFCWUKXFEE-UHFFFAOYSA-L
SMILES
SoftwareSMILES
CACTVS 3.341[O-][S]([O-])=O
OpenEye OEToolkits 1.5.0[O-]S(=O)[O-]
ACDLabs 10.04[O-]S([O-])=O
FormulaO3 S
NameSULFITE ION
ChEMBL
DrugBank
ZINC
PDB chain2hz1 Chain A Residue 204 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2hz1 Covalent heme attachment in Synechocystis hemoglobin is required to prevent ferrous heme dissociation
Resolution1.8 Å
Binding residue
(original residue number in PDB)		R44 K48
Binding residue
(residue number reindexed from 1)		R43 K47
Annotation score1
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005344 oxygen carrier activity
GO:0008379 thioredoxin peroxidase activity
GO:0019825 oxygen binding
GO:0020037 heme binding
GO:0046872 metal ion binding
Biological Process
GO:0015671 oxygen transport
GO:0034599 cellular response to oxidative stress
GO:0045454 cell redox homeostasis
GO:0098869 cellular oxidant detoxification
Cellular Component
GO:0005737 cytoplasm

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2hz1, PDBe:2hz1, PDBj:2hz1
PDBsum2hz1
PubMed17242429
UniProtP73925|TRHBN_SYNY3 Group 1 truncated hemoglobin GlbN (Gene Name=glbN)

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