6VK9_1|Chains A[auth 0], B[auth 2], C[auth 4], D[auth A], E[auth C], F[auth E], G, H[auth I], I[auth K], J[auth M], K[auth O], L[auth Q], M[auth S], N[auth U], O[auth W], P[auth Y]|Geopilin domain 1 protein|Geobacter sulfurreducens (35554) label=1