Structure of PDB 1sq3 Chain D Binding Site BS03

Receptor Information

>1sq3 Chain D (length=162) Species: 224325 (Archaeoglobus fulgidus DSM 4304) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

SISEKMVEALNRQINAEIYSAYLYLSMASYFDSIGLKGFSNWMRVQWQEE
LMHAMKMFDFVSERGGRVKLYAVEEPPSEWDSPLAAFEHVYEHEVNVTKR
IHELVEMAMQEKDFATYNFLQWYVAEQVEEEASALDIVEKLRLIGEDKRA
LLFLDKELSLRQ

Ligand information

Ligand ID

InChI

InChI=1S/Fe/q+3

InChIKey

VTLYFUHAOXGGBS-UHFFFAOYSA-N

SMILES

Software	SMILES
ACDLabs 10.04 CACTVS 3.341 OpenEye OEToolkits 1.5.0	[Fe+3]

Formula

Name

FE (III) ION

PDB chain

1sq3 Chain D Residue 912 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]

Receptor-Ligand Complex Structure

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Structure summary

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PDB	1sq3 Crystal structures of a tetrahedral open pore ferritin from the hyperthermophilic archaeon Archaeoglobus fulgidus.
Resolution	2.7 Å
Binding residue (original residue number in PDB)	E51 E128 E131 E132
Binding residue (residue number reindexed from 1)	E49 E126 E129 E130
Annotation score	5

Enzymatic activity

Enzyme Commision number

Gene Ontology

	Molecular Function
GO:0004322	ferroxidase activity
GO:0008198	ferrous iron binding
GO:0008199	ferric iron binding
GO:0042802	identical protein binding
GO:0046872	metal ion binding

	Biological Process
GO:0006826	iron ion transport
GO:0006879	intracellular iron ion homeostasis
GO:0006880	intracellular sequestering of iron ion

	Cellular Component
GO:0005737	cytoplasm
GO:0005829	cytosol

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Cellular Component

External links

PDB	RCSB:1sq3, PDBe:1sq3, PDBj:1sq3
PDBsum	1sq3
PubMed	15837202
UniProt	O29424

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