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Sequence and distribution of amino-terminal repetitive element
| Variable Sequence 1 | Number of Peptides in Variant Group |
||
|---|---|---|---|
| Variant 1 | Variant 2 | Variant 3 | |
| G | 29 | 3 | 2 |
| GG | 0 | 12 | 0 |
| SGG | 0 | 0 | 1 |
| GGGS | 0 | 0 | 2 |
| SGSGG | 0 | 0 | 1 |
| GGGSGG | 8 | 0 | 7 |
| GGGSGS | 1 | 0 | 4 |
The mature fHbp begins with an invariant tetrapeptide, CSSG, which is followed by a repetitive variable sequence consisting of 1 to 6 glycine and/or serine residues, which is then followed by two invariant glycine residues.
