>1EEF_1|Chains A[auth D], B[auth E], C[auth F], D[auth G], E[auth H], F[auth L], G[auth M], H[auth N], I[auth O], J[auth P]|PROTEIN (HEAT-LABILE ENTEROTOXIN B CHAIN)|Escherichia coli (562) APQTITELCSEYRNTQIYTINDKILSYTESMAGKREMVIITFKSGETFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMKN