| LEN1 | Klebsiella pneumoniae | Chromosome | X04515 |
| LEN2 | Klebsiella pneumoniae | Chromosome | AY037780 |
| Ohio1 | Enterobacter cloacae | Plasmid | M33655 |
| SHV1 | Klebsiella pneumoniae | Plasmid | X98098 |
| SHV11 | Shigella dysenteriae | Plasmid | Y18299 |
| SHV12 | Klebsiella pneumoniae | Plasmid | AY008838 |
| SHV13 | Klebsiella pneumoniae | Plasmid | AF164577 |
| SHV14 | Klebsiella pneumoniae | Unknown | AF226622 |
| SHV15 | Escherichia coli | Plasmid | AJ011428 |
| SHV16 | Klebsiella pneumoniae | Chromosome | AF072684 |
| SHV18 | Klebsiella pneumoniae | Plasmid | AF132290 |
| SHV2 | Klebsiella pneumoniae subsp. ozaenae | Unknown | X53433 |
| SHV24 | Escherichia coli | Plasmid | AB023477 |
| SHV25 | Klebsiella pneumoniae | Unknown | AF208796 |
| SHV26 | Klebsiella pneumoniae | Unknown | AF227204 |
| SHV27 | Klebsiella pneumoniae | Unknown | AF293345 |
| SHV28 | Klebsiella pneumoniae | Plasmid | AF299299 |
| SHV29 | Klebsiella pneumoniae | Unknown | AF301532 |
| SHV2a | Plasmid | X53817 | |
| SHV32 | Klebsiella pneumoniae | Chromosome | AY037778 |
| SHV33 | Klebsiella pneumoniae | Chromosome | AY037779 |
| SHV34 | Escherichia coli | Plasmid | AY036620 |
| SHV35 | Klebsiella pneumoniae | Plasmid | AY070258 |
| SHV36 | Klebsiella pneumoniae | Plasmid | AF467947.1 |
| SHV37 | Klebsiella pneumoniae | Unknown | AF467948 |
| SHV38 | Klebsiella pneumoniae | Chromosome | AY079099 |
| SHV40 | Unknown | AF535128.1 | |
| SHV41 | Klebsiella pneumoniae | Unknown | AF535129 |
| SHV42 | Klebsiella pneumoniae | Unknown | AF535130 |
| SHV43 | Klebsiella pneumoniae | Unknown | AY065991 |
| SHV44 | Klebsiella pneumoniae | Chromosome | AY259119 |
| SHV45 | Klebsiella pneumoniae | Unknown | AF547625 |
| SHV46 | Klebsiella oxytoca | Plasmid | AY210887 |
| SHV48 | Acinetobacter baumannii | Plasmid | AY259164 |
| SHV5 | Klebsiella pneumoniae | Plasmid | X55640 |
| SHV50 | Klebsiella pneumoniae | Chromosome | AY288915 |
| SHV51 | Klebsiella pneumoniae | Chromosome | AY289548 |
| SHV52 | Escherichia coli | Plasmid | AY223863 |
| SHV6 | Escherichia coli | Plasmid | U20270 |
| SHV8 | Escherichia coli | Chromosome | U92041 |
| SHV9 | Klebsiella pneumoniae | Plasmid | S82452 |
| TEM1 | Plasmid | AF309824 |