>8A4R_1|Chains A[auth AAA], B[auth BBB], C[auth CCC], D[auth DDD]|Proline racemase A (AsProR)|Acetoanaerobium sticklandii DSM 519 (499177) MKFSKGIHAIDSHTMGEPTRIVVGGIPQINGETMADKKKYLEDNLDYVRTALMHEPRGHNDMFGSIITSSNNKEADFGIIFMDGGGYLNMCGHGSIGAATVAVETGMVEMVEPVTNINMEAPAGLIKAKVMVENEKVKEVSITNVPSFLYMEDAKLEVPSLNKTITFDISFGGSFFAIIHAKELGVKVETSQVDVLKKLGIEIRDLINEKIKVQHPELEHIKTVDLVEIYDEPSNPEATYKNVVIFGQGQVDRSPCGTGTSAKLATLYKKGHLKIDEKFVYESITGTMFKGRVLEETKVGEFDAIIPEITGGAYITGFNHFVIDPEDPLKYGFTVLEHHHHHH