We are starting to work on reading mmCIF files from PDBe, for "assemblies". 
This means the actual biological unit of the molecule, be it monomer, dimer, 
tetramer, etc -- manually checked since there are often several automatically 
prepared biological units in PDB

Apparently EBI has been applying some variation in which CIF dta fields are 
retained in the assemby CIF file
So far we have managed (Proteopedia) to handle those idiosyncrasies, but I 
have hit some weird problem with 2LEV
It has protein + DNA, several models.
Jmol 14.4.1 Jan 15 fails to render the DNA at all

These are my checks:

load http://www.ebi.ac.uk/pdbe/entry-files/download/pdb2lev.ent
// PDB file -- ok

load 
http://ftp.ebi.ac.uk/pub/databases/rcsb/pdb-remediated/data/structures/divide
d/pdb/le/pdb2lev.ent.gz
// PDB file (gz) -- ok

load http://www.ebi.ac.uk/pdbe/entry-files/download/2lev_updated.cif
// Updated mmCIF file -- ok

load http://www.ebi.ac.uk/pdbe/static/entry/download/2lev-assembly-1.cif.gz
// Assembly 1 (mmCIF; gz) -- DNA is not displayed
select dna  //19040 atoms selected
hide all  //37340 hidden atoms
display all  //0 hidden atoms
// in all cases, no rendering of DNA




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