>6Z80_2|Chains B[auth K], L, M, N, O, P, Q, R, S, T|GTP cyclohydrolase 1 feedback regulatory protein|Homo sapiens (9606) GSHMPYLLISTQIRMEVGPTMVGDEQSDPELMQHLGASKRRALGNNFYEYYVDDPPRIVLDKLERRGFRVLSMTGVGQTLVWCLHKE >6Z80_1|Chains A, C[auth B], D[auth C], E[auth D], F[auth E], G[auth F], H[auth G], I[auth H], J[auth I], K[auth J]|GTP cyclohydrolase 1|Homo sapiens (9606) MHHHHHHGSDDDDKRPEAKSAQPADGWKGERPRSEEDNELNLPNLAAAYSSILSSLGENPQRQGLLKTPWRAASAMQFFTKGYQETISDVLNDAIFDEDHDEMVIVKDIDMFSMCEHHLVPFVGKVHIGYLPNKQVLGLSKLARIVEIYSRRLQVQERLTKQIAVAITEALRPAGVGVVVEATHMCMVMRGVQKMNSKTVTSTMLGVFREDPKTREEFLTLIRS