PDB entry 1k4c

View 1k4c on RCSB PDB site
Description: Potassium Channel KcsA-Fab complex in high concentration of K+
Class: membrane protein
Keywords: K channel, protein-antibody Fab complex, MEMBRANE PROTEIN
Deposited on 2001-10-07, released 2001-11-14
The last revision prior to the SCOPe 2.05 freeze date was dated 2011-11-16, with a file datestamp of 2011-11-11.
Experiment type: XRAY
Resolution: 2 Å
R-factor: 0.218
AEROSPACI score: 0.43 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: antibody fab fragment heavy chain
    Species: Mus musculus [TaxId:10090]
    Database cross-references and differences (RAF-indexed):
    • PDB 1K4C (0-218)
    Domains in SCOPe 2.05: d1k4ca1, d1k4ca2
  • Chain 'B':
    Compound: antibody fab fragment light chain
    Species: Mus musculus [TaxId:10090]
    Database cross-references and differences (RAF-indexed):
    • PDB 1K4C (0-211)
    Domains in SCOPe 2.05: d1k4cb1, d1k4cb2
  • Chain 'C':
    Compound: potassium channel kcsa
    Species: Streptomyces lividans [TaxId:1916]
    Database cross-references and differences (RAF-indexed):
    • Uniprot P0A334 (Start-123)
      • engineered (89)
    Domains in SCOPe 2.05: d1k4cc_
  • Heterogens: K, DGA, F09, HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence; same for both SEQRES and ATOM records: (download) 
    >1k4cA (A:)
qvqlqqpgaelvkpgasvklsckasgytftsdwihwvkqrpghglewigeiipsygrany
nekiqkkatltadkssstafmqlssltsedsavyycarergdgyfavwgagttvtvssak
ttppsvyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdly
tlsssvtvpssswpsetvtcnvahpasstkvdkkivprd

  • Chain 'B':
    Sequence; same for both SEQRES and ATOM records: (download) 
    >1k4cB (B:)
dilltqspailsvspgervsfscrasqsigtdihwyqqrtngsprllikyasesisgips
rfsgsgsgtdftlsinsvesedianyycqqsnrwpftfgsgtkleikradaaptvsifpp
sseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysmsstlt
ltkdeyerhnsytceathktstspivksfnrn

  • Chain 'C':
    Sequence, based on SEQRES records: (download) 
    >1k4cC (C:)
mapmlsgllarlvklllgrhgsalhwraagaatvllvivllagsylavlaergapgaqli
typralwwsvetattvgygdlypvtlwgrcvavvvmvagitsfglvtaalatwfvgreqe
rrgh

    Sequence, based on observed residues (ATOM records): (download) 
    >1k4cC (C:)
salhwraagaatvllvivllagsylavlaergapgaqlitypralwwsvetattvgygdl
ypvtlwgrcvavvvmvagitsfglvtaalatwfvgreqerrgh