Structure of PDB 3e3k Chain A

Receptor sequence
>3e3kA (length=499) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
APDEITTAWPVNVGPLNPHLYTPNQMFAQSMVYEPLVKYQADGSVIPWLA
KSWTHSEDGKTWTFTLRDDVKFSNGEPFDAEAAAENFRAVLDNRQRHAWL
ELANQIVDVKALSKTELQITLKSAYYPFLQELALPRPFRFIAPSQFKNHE
TMNGIKAPIGTGPWILQESKLNQYDVFVRNENYWGEKPAIKKITFNVIPD
PTTRAVAFETGDIDLLYGNEGLLPLDTFARFSQNPAYHTQLSQPIETVML
ALNTAKAPTNELAVREALNYAVNKKSLIDNALYGTQQVADTLFAPSVPYA
NLGLKPSQYDPQKAKALLEKAGWTLPAGKDIREKNGQPLRIELSFIGTDA
LSKSMAEIIQADMRQIGADVSLIGEEESSIYARQRDGRFGMIFHRTWGAP
YDPHAFLSSMRVPSHADFQAQQGLADKPLIDKEIGEVLATHDETQRQALY
RDILTRLHDEAVYLPISYISMMVVSKPELGNIPYAPIATEIPFEQIKPV
3D structure
PDB3e3k Structural characterization of a putative endogenous metal chelator in the periplasmic nickel transporter NikA
ChainA
Resolution2.8 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 HCT A Y22 M27 W100 R137 W398 Y21 M26 W99 R136 W397
Gene Ontology
Molecular Function
GO:0005515 protein binding
GO:0016151 nickel cation binding
GO:0020037 heme binding
GO:0046914 transition metal ion binding
GO:0051540 metal cluster binding
GO:1904680 peptide transmembrane transporter activity
Biological Process
GO:0015675 nickel cation transport
GO:0015833 peptide transport
GO:0050919 negative chemotaxis
GO:0055085 transmembrane transport
GO:0098716 nickel cation import across plasma membrane
Cellular Component
GO:0016020 membrane
GO:0030288 outer membrane-bounded periplasmic space
GO:0042597 periplasmic space
GO:0043190 ATP-binding cassette (ABC) transporter complex
GO:0055052 ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing

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Cellular Component
External links
PDB RCSB:3e3k, PDBe:3e3k, PDBj:3e3k
PDBsum3e3k
PubMed18759453
UniProtP33590|NIKA_ECOLI Nickel-binding periplasmic protein (Gene Name=nikA)

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