TABLE 4.
Strain | β-Lactamase | Amino acid at positiona:
|
|||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
21 | 39 | 69 | 104 | 164 | 182 | 238 | 240 | 265 | 276 | ||
GC 1472 | TEM-1 | L | Q | M | E | R | M | G | E | T | N |
GC 1494 | TEM-3 | L | K | M | K | R | M | S | E | T | N |
GC 1500 | TEM-4 | F | Q | M | K | R | M | S | E | M | N |
GC 1505 | TEM-7 | L | K | M | E | S | M | G | E | T | N |
GC 1511 | TEM-10 | L | Q | M | E | S | M | G | K | T | N |
GC 2336 | TEM-28 | L | Q | M | E | H | M | G | K | T | N |
GC 2400 | TEM-43 | L | Q | M | K | H | T | G | E | T | N |
GAR 2830 | TEM-1 | L | Q | M | E | R | M | G | E | T | N |
GAR 3593 | TEM-1 (50),b TEM-2 (50) | L | Q/K | M | E | R | M | G | E | T | N |
GAR 4649 | TEM-29 | L | Q | M | E | H | M | G | E | T | N |
GAR 10941 | TEM-155 | L | K | M | E | S | M | G | K | T | N |
Amino acid numbering according to Ambler et al. (1). Boldface and underlining indicate amino acid residue substitutions identified by pyrosequence analysis.
Values in parentheses are the percentage of blaTEM alleles determined on the basis of the percentage of each SNP at amino acid 39 codon (Fig. 2).