[ccp4bb]: Arsenic for Refmac5?

[Ben Sandler <sandler@msg.ucsf.edu>]

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I'm working on refining a structure containing arsenic atoms, but
Refmac5 doesn't seem to recognize the atoms in the pdb file, even though
the atom name ("AS") is, so far as I can tell, the same one for arsenic
in the library.  I get the following error message:

Refmac_5.1.24:   No match for full atom ID - subtract one character

What can I do to fix this?

-Ben