>1B44_1|Chains A[auth D], B[auth E], C[auth F], D[auth G], E[auth H]|PROTEIN (B-POL SUBUNIT OF HEAT-LABILE ENTEROTOXIN)|Escherichia coli (562) APQSITELCSEYHNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEKLAGFGAVGAGATAEETRMLHAFDTLA