PDB entry 3e3k

View 3e3k on RCSB PDB site
Description: Structural characterization of a putative endogenous metal chelator in the periplasmic nickel transporter NikA (butane-1,2,4-tricarboxylate without nickel form)
Class: metal transport
Keywords: Nickel, nickellophore, butane-1,2,4-tricarboxylate, transport, metal transport
Deposited on 2008-08-07, released 2008-09-16
The last revision prior to the SCOPe 2.08 freeze date was dated 2011-07-13, with a file datestamp of 2011-05-25.
Experiment type: XRAY
Resolution: 2.8 Å
R-factor: 0.249
AEROSPACI score: 0.21 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: Nickel-binding periplasmic protein
    Species: Escherichia coli [TaxId:83333]
    Gene: nikA, b3476, JW3441
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.08: d3e3ka_
  • Chain 'B':
    Compound: Nickel-binding periplasmic protein
    Species: Escherichia coli [TaxId:83333]
    Gene: nikA, b3476, JW3441
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.08: d3e3kb_
  • Chain 'C':
    Compound: Nickel-binding periplasmic protein
    Species: Escherichia coli [TaxId:83333]
    Gene: nikA, b3476, JW3441
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.08: d3e3kc_
  • Heterogens: GOL, ACT, SO4, HCT, CL, HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence, based on SEQRES records: (download) 
    >3e3kA (A:)
aapdeittawpvnvgplnphlytpnqmfaqsmvyeplvkyqadgsvipwlakswthsedg
ktwtftlrddvkfsngepfdaeaaaenfravldnrqrhawlelanqivdvkalsktelqi
tlksayypflqelalprpfrfiapsqfknhetmngikapigtgpwilqesklnqydvfvr
nenywgekpaikkitfnvipdpttravafetgdidllygnegllpldtfarfsqnpayht
qlsqpietvmlalntakaptnelavrealnyavnkkslidnalygtqqvadtlfapsvpy
anlglkpsqydpqkakallekagwtlpagkdirekngqplrielsfigtdalsksmaeii
qadmrqigadvsligeeessiyarqrdgrfgmifhrtwgapydphaflssmrvpshadfq
aqqgladkplidkeigevlathdetqrqalyrdiltrlhdeavylpisyismmvvskpel
gnipyapiateipfeqikpvkp

    Sequence, based on observed residues (ATOM records): (download) 
    >3e3kA (A:)
apdeittawpvnvgplnphlytpnqmfaqsmvyeplvkyqadgsvipwlakswthsedgk
twtftlrddvkfsngepfdaeaaaenfravldnrqrhawlelanqivdvkalsktelqit
lksayypflqelalprpfrfiapsqfknhetmngikapigtgpwilqesklnqydvfvrn
enywgekpaikkitfnvipdpttravafetgdidllygnegllpldtfarfsqnpayhtq
lsqpietvmlalntakaptnelavrealnyavnkkslidnalygtqqvadtlfapsvpya
nlglkpsqydpqkakallekagwtlpagkdirekngqplrielsfigtdalsksmaeiiq
admrqigadvsligeeessiyarqrdgrfgmifhrtwgapydphaflssmrvpshadfqa
qqgladkplidkeigevlathdetqrqalyrdiltrlhdeavylpisyismmvvskpelg
nipyapiateipfeqikpv

  • Chain 'B':
    Sequence, based on SEQRES records: (download) 
    >3e3kB (B:)
aapdeittawpvnvgplnphlytpnqmfaqsmvyeplvkyqadgsvipwlakswthsedg
ktwtftlrddvkfsngepfdaeaaaenfravldnrqrhawlelanqivdvkalsktelqi
tlksayypflqelalprpfrfiapsqfknhetmngikapigtgpwilqesklnqydvfvr
nenywgekpaikkitfnvipdpttravafetgdidllygnegllpldtfarfsqnpayht
qlsqpietvmlalntakaptnelavrealnyavnkkslidnalygtqqvadtlfapsvpy
anlglkpsqydpqkakallekagwtlpagkdirekngqplrielsfigtdalsksmaeii
qadmrqigadvsligeeessiyarqrdgrfgmifhrtwgapydphaflssmrvpshadfq
aqqgladkplidkeigevlathdetqrqalyrdiltrlhdeavylpisyismmvvskpel
gnipyapiateipfeqikpvkp

    Sequence, based on observed residues (ATOM records): (download) 
    >3e3kB (B:)
pdeittawpvnvgplnphlytpnqmfaqsmvyeplvkyqadgsvipwlakswthsedgkt
wtftlrddvkfsngepfdaeaaaenfravldnrqrhawlelanqivdvkalsktelqitl
ksayypflqelalprpfrfiapsqfknhetmngikapigtgpwilqesklnqydvfvrne
nywgekpaikkitfnvipdpttravafetgdidllygnegllpldtfarfsqnpayhtql
sqpietvmlalntakaptnelavrealnyavnkkslidnalygtqqvadtlfapsvpyan
lglkpsqydpqkakallekagwtlpagkdirekngqplrielsfigtdalsksmaeiiqa
dmrqigadvsligeeessiyarqrdgrfgmifhrtwgapydphaflssmrvpshadfqaq
qgladkplidkeigevlathdetqrqalyrdiltrlhdeavylpisyismmvvskpelgn
ipyapiateipfeqikpvkp

  • Chain 'C':
    Sequence, based on SEQRES records: (download) 
    >3e3kC (C:)
aapdeittawpvnvgplnphlytpnqmfaqsmvyeplvkyqadgsvipwlakswthsedg
ktwtftlrddvkfsngepfdaeaaaenfravldnrqrhawlelanqivdvkalsktelqi
tlksayypflqelalprpfrfiapsqfknhetmngikapigtgpwilqesklnqydvfvr
nenywgekpaikkitfnvipdpttravafetgdidllygnegllpldtfarfsqnpayht
qlsqpietvmlalntakaptnelavrealnyavnkkslidnalygtqqvadtlfapsvpy
anlglkpsqydpqkakallekagwtlpagkdirekngqplrielsfigtdalsksmaeii
qadmrqigadvsligeeessiyarqrdgrfgmifhrtwgapydphaflssmrvpshadfq
aqqgladkplidkeigevlathdetqrqalyrdiltrlhdeavylpisyismmvvskpel
gnipyapiateipfeqikpvkp

    Sequence, based on observed residues (ATOM records): (download) 
    >3e3kC (C:)
apdeittawpvnvgplnphlytpnqmfaqsmvyeplvkyqadgsvipwlakswthsedgk
twtftlrddvkfsngepfdaeaaaenfravldnrqrhawlelanqivdvkalsktelqit
lksayypflqelalprpfrfiapsqfknhetmngikapigtgpwilqesklnqydvfvrn
enywgekpaikkitfnvipdpttravafetgdidllygnegllpldtfarfsqnpayhtq
lsqpietvmlalntakaptnelavrealnyavnkkslidnalygtqqvadtlfapsvpya
nlglkpsqydpqkakallekagwtlpagkdirekngqplrielsfigtdalsksmaeiiq
admrqigadvsligeeessiyarqrdgrfgmifhrtwgapydphaflssmrvpshadfqa
qqgladkplidkeigevlathdetqrqalyrdiltrlhdeavylpisyismmvvskpelg
nipyapiateipfeqikp