code: def find_seq_id(block, name, case_sensitive=True):
      
      # logging.warn("DEPRECATED: Try to use cma.find_seq_rec instead")
      rec = find_seq_rec(block, name, case_sensitive)
      return rec['id']
docs: Given part of a sequence ID, find the first actual ID that contains it.
  
      Example::
  
          >>> find_seq_id(block, '2QG5')
          'gi|158430190|pdb|2QG5|A'
  
      Raise a ValueError if no matching key is found.