PDB entry 3bxk

View 3bxk on RCSB PDB site
Description: Crystal structure of the P/Q-type calcium channel (CaV2.1) IQ domain and CA2+calmodulin complex
Class: membrane protein, signaling protein
Keywords: ION CHANNEL, CALMODULIN, CALCIUM CHANNEL, IQ DOMAIN, FACILLITATION, INACTIVATION, CALCIUM-DEPENDENT, VOLTAGE-GATED, ROBETTA, SIMULATIONS; Acetylation, Methylation, Phosphoprotein, Calcium transport, Glycoprotein, Ion transport, Ionic channel, Membrane, Transmembrane, Transport, Voltage-gated channel, MEMBRANE PROTEIN, SIGNALING PROTEIN
Deposited on 2008-01-14, released 2008-03-25
The last revision prior to the SCOPe 2.03 freeze date was dated 2011-07-13, with a file datestamp of 2011-05-08.
Experiment type: XRAY
Resolution: 2.55 Å
R-factor: 0.216
AEROSPACI score: 0.31 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: calmodulin
    Species: Rattus norvegicus [TaxId:10116]
    Gene: Calm1, Calm, Cam, Cam1
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.03: d3bxka_
  • Chain 'B':
    Compound: Voltage-dependent P/Q-type calcium channel subunit alpha-1A peptide
    Species: synthetic, synthetic
    Database cross-references and differences (RAF-indexed):
  • Chain 'C':
    Compound: calmodulin
    Species: Rattus norvegicus [TaxId:10116]
    Gene: Calm1, Calm, Cam, Cam1
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.03: d3bxkc_
  • Chain 'D':
    Compound: Voltage-dependent P/Q-type calcium channel subunit alpha-1A peptide
    Species: synthetic, synthetic
    Database cross-references and differences (RAF-indexed):
  • Heterogens: CA, SO4, HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence, based on SEQRES records: (download) 
    >3bxkA (A:)
adqlteeqiaefkeafslfdkdgdgtittkelgtvmrslgqnpteaelqdminevdadgn
gtidfpefltmmarkmkdtdseeeireafrvfdkdgngyisaaelrhvmtnlgekltdee
vdemireadidgdgqvnyeefvqmmtak

    Sequence, based on observed residues (ATOM records): (download) 
    >3bxkA (A:)
lteeqiaefkeafslfdkdgdgtittkelgtvmrslgqnpteaelqdminevdadgngti
dfpefltmmarkseeeireafrvfdkdgngyisaaelrhvmtnlgekltdeevdemirea
didgdgqvnyeefvqmm

  • Chain 'B':
    No sequence available.

  • Chain 'C':
    Sequence, based on SEQRES records: (download) 
    >3bxkC (C:)
adqlteeqiaefkeafslfdkdgdgtittkelgtvmrslgqnpteaelqdminevdadgn
gtidfpefltmmarkmkdtdseeeireafrvfdkdgngyisaaelrhvmtnlgekltdee
vdemireadidgdgqvnyeefvqmmtak

    Sequence, based on observed residues (ATOM records): (download) 
    >3bxkC (C:)
lteeqiaefkeafslfdkdgdgtittkelgtvmrslgqnpteaelqdminevdadgngti
dfpefltmmarkmdtdseeeireafrvfdkdgngyisaaelrhvmtnlgekltdeevdem
ireadidgdgqvnyeefvqmmt

  • Chain 'D':
    No sequence available.