Exemplo n.º 1
0
def get_local_omega_altlocs(twores):
    #in conformer world, where threes come from, altlocs are most accurately
    #  stored at the atom level, in the .id_str()
    #look at all atoms in the main residues, plus the atoms used in calculations
    #  from adjacent residues to find if any have altlocs
    prevres_alt = ''
    mainres_alt = ''
    for atom in twores[1].atoms():
        if atom.name not in [" N  ", " CA "]:
            continue
        altchar = atom.id_str()[9:10]
        if altchar != ' ':
            mainres_alt = altchar
            break
    for atom in twores[0].atoms():
        if atom.name not in [" CA ", " C  "]:
            continue
        altchar = atom.id_str()[9:10]
        if altchar != ' ':
            prevres_alt = altchar
            break
    return prevres_alt, mainres_alt
Exemplo n.º 2
0
def get_altloc_from_three(three):
  #in conformer world, where threes come from, altlocs are most accurately
  #  stored at the atom level, in the .id_str()
  #look at all atoms in the main residues, plus the atoms used in calculations
  #  from adjacent residues to find if any have altlocs
  ##mc_atoms = (" N  ", " CA ", " C  ", " O  ")
  for atom in three[1].atoms():
    altchar = atom.id_str()[9:10]
    if altchar != ' ':
      return altchar
  for atom in three[0].atoms():
    if atom.name != ' C  ':
      continue
    altchar = atom.id_str()[9:10]
    if altchar != ' ':
      return altchar
  for atom in three[2].atoms():
    if atom.name != ' N  ':
      continue
    altchar = atom.id_str()[9:10]
    if altchar != ' ':
      return altchar
  return ''
Exemplo n.º 3
0
def get_altloc_from_three(three):
  #in conformer world, where threes come from, altlocs are most accurately
  #  stored at the atom level, in the .id_str()
  #look at all atoms in the main residues, plus the atoms used in calculations
  #  from adjacent residues to find if any have altlocs
  ##mc_atoms = (" N  ", " CA ", " C  ", " O  ")
  for atom in three[1].atoms():
    altchar = atom.id_str()[9:10]
    if altchar != ' ':
      return altchar
  for atom in three[0].atoms():
    if atom.name != ' C  ':
      continue
    altchar = atom.id_str()[9:10]
    if altchar != ' ':
      return altchar
  for atom in three[2].atoms():
    if atom.name != ' N  ':
      continue
    altchar = atom.id_str()[9:10]
    if altchar != ' ':
      return altchar
  return ''