>2r1hB (B:) SEQRES residues vdwtdaersaivglwgkisvdeigpqalarllivspwtqrhfstfgnlstpaaimgnpav akhgktvmhgldravqnlddikntyvtlsvmhseklfvdpdnfrlladcitvcvaaklgp avfsadtqeafqkflavvvsalgrqyh