>1vkaB (B:) SEQRES residues mggshhhhhhgmasavnvystsvtsdnlsrhdmlawineslqlnltkieqlcsgaaycqf mdmlfpgsialkkvkfqakleheyiqnfkilqagfkrmgvdkiipvdklvkgkfqdnfef vqwfkkffdanydgkdydpvaarqgqetavaps