PDB entry 1r3i

View 1r3i on RCSB PDB site
Description: potassium channel KcsA-Fab complex in Rb+
Class: membrane protein
Keywords: membrane protein, potassium channel, KcsA-Fab complex, rubidium
Deposited on 2003-10-02, released 2003-11-25
The last revision prior to the SCOPe 2.03 freeze date was dated 2011-11-16, with a file datestamp of 2011-11-11.
Experiment type: XRAY
Resolution: 2.4 Å
R-factor: 0.217
AEROSPACI score: 0.34 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'C':
    Compound: Voltage-gated potassium channel
    Species: Streptomyces lividans [TaxId:1916]
    Gene: KCSA, SKC1, SCO7660, SC10F4.33
    Database cross-references and differences (RAF-indexed):
    • Uniprot P0A334 (Start-123)
      • engineered (89)
    Domains in SCOPe 2.03: d1r3ic_
  • Chain 'H':
    Compound: antibody fab fragment heavy chain
    Species: Mus musculus [TaxId:10090]
    Database cross-references and differences (RAF-indexed):
    • PDB 1R3I (0-218)
    Domains in SCOPe 2.03: d1r3ih1, d1r3ih2
  • Chain 'L':
    Compound: antibody fab fragment light chain
    Species: Mus musculus [TaxId:10090]
    Database cross-references and differences (RAF-indexed):
    • PDB 1R3I (0-211)
    Domains in SCOPe 2.03: d1r3il1, d1r3il2
  • Heterogens: RB, DGA, F09, HOH

PDB Chain Sequences:

  • Chain 'C':
    Sequence, based on SEQRES records: (download) 
    >1r3iC (C:)
mapmlsgllarlvklllgrhgsalhwraagaatvllvivllagsylavlaergapgaqli
typralwwsvetattvgygdlypvtlwgrcvavvvmvagitsfglvtaalatwfvgreqe
rrgh

    Sequence, based on observed residues (ATOM records): (download) 
    >1r3iC (C:)
salhwraagaatvllvivllagsylavlaergapgaqlitypralwwsvetattvgygdl
ypvtlwgrcvavvvmvagitsfglvtaalatwfvgreqerrgh

  • Chain 'H':
    Sequence; same for both SEQRES and ATOM records: (download) 
    >1r3iH (H:)
qvqlqqpgaelvkpgasvklsckasgytftsdwihwvkqrpghglewigeiipsygrany
nekiqkkatltadkssstafmqlssltsedsavyycarergdgyfavwgagttvtvssak
ttppsvyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdly
tlsssvtvpssswpsetvtcnvahpasstkvdkkivprd

  • Chain 'L':
    Sequence; same for both SEQRES and ATOM records: (download) 
    >1r3iL (L:)
dilltqspailsvspgervsfscrasqsigtdihwyqqrtngsprllikyasesisgips
rfsgsgsgtdftlsinsvesedianyycqqsnrwpftfgsgtkleikradaaptvsifpp
sseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysmsstlt
ltkdeyerhnsytceathktstspivksfnrn