>1P51_1|Chains A[auth E], B[auth F], C[auth H], D[auth I]|5'-D(*GP*CP*AP*TP*AP*TP*CP*AP*AP*TP*TP*TP*GP*TP*TP*GP*CP*AP*T)-3'|null GCATATCAATTTGTTGCAT >1P51_2|Chains E[auth A], F[auth B], G[auth C], H[auth D]|DNA-binding protein HU|Anabaena sp. (1167) MNKGELVDAVAEKASVTKKQADAVLTAALETIIEAVSSGDKVTLVGFGSFESRERKAREGRNPKTNEKMEIPATRVPAFSAGKLFREKVAPPKA