Errors in pdb2cif:
1sos
1fcs
1fna
1hhk - error at end
1ifa - seqres missing final N
1hra - error at beginning
1mcb, 1mcc, 1mcd, 1mce, 1mcf, 1mcg, 
1mch, 1mci, 1mcj, 1mck, 1mcl, 1mcn, 
1mcq, 1mcr, 1mcs - error at beginning
1tox - SEQRES b:177 incorrectly matches PDB 187
1tbp - error at beginning
1pky - alignment error at c:323
1eta - microheterogeneity
1cbn - microheterogeneity
2hmq - microheterogeneity
1ak9 - seqres 267 in wrong place
9pti - seqres incorrect -> bad alignment
8gpb - error at end
2hhr - end of chain c has extra residues in ATOM records
1ysa - chains c and d
2plv - seqres 76,97,98 in wrong place  
2psg - PO4 is misnumbered as seqres 112
1ltb - seqres too short; seqres 329 misplaced
1lta - seqres too short; seqres 329 misplaced


Errors in scop:
d1a0i_1 should probably start at 306
d1tocs1 should start at 1A. 
d1tocr1, d1toct1, d1tocu1

Other errors:
d1a4ka1 should be non-monotonic
d1art__ has mysterious "d" at end of atomseq
d1a3xa3 has mysterious "ke" at end of atomseq