Structure of PDB 4k19 Chain A

Receptor sequence
>4k19A (length=174) Species: 9606 (Homo sapiens) [Search protein sequence]
SDLIPAPPLSKVPLQQNFQDNQFQGKWYVVGLAGNAILREDKDPQKMYAT
IYELKEDKSYNVTSVLFRKKKCDYWIRTFVPGSQPGEFTLGNIKSYPGLT
SYLVRVVSTNYNQHAMVFFKKVSQNREYFKITLYGRTKELTSELKENFIR
FSKSLGLPENHIVFPVPIDQCIDG
3D structure
PDB4k19 Siderocalin Outwits the Coordination Chemistry of Vibriobactin, a Siderophore of Vibrio cholerae.
ChainA
Resolution2.74 Å
3D
structure
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Enzymatic activity
Enzyme Commision number ?
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 1OD A S68 W79 L94 Y100 L103 Y106 K125 K134 S64 W75 L90 Y96 L99 Y102 K121 K130 PDBbind-CN: -logKd/Ki=8.36,Kd=4.4nM
BindingDB: Kd=34nM
Gene Ontology
Molecular Function
GO:0005506 iron ion binding
GO:0005515 protein binding
GO:0036094 small molecule binding
GO:0042802 identical protein binding
GO:0140315 iron ion sequestering activity
GO:1903981 enterobactin binding
Biological Process
GO:0006826 iron ion transport
GO:0006915 apoptotic process
GO:0015891 siderophore transport
GO:0042742 defense response to bacterium
GO:0045087 innate immune response
GO:0120162 positive regulation of cold-induced thermogenesis
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0031410 cytoplasmic vesicle
GO:0035580 specific granule lumen
GO:0060205 cytoplasmic vesicle lumen
GO:0070062 extracellular exosome

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4k19, PDBe:4k19, PDBj:4k19
PDBsum4k19
PubMed23755875
UniProtP80188|NGAL_HUMAN Neutrophil gelatinase-associated lipocalin (Gene Name=LCN2)

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