>4RX6_1|Chains A, B, C[auth D]|Nitrogen regulatory PII-like protein|Bacillus subtilis subsp. subtilis (224308) MRSDAMSGQMFKVEIVTRPANFEKLKQELGKIGVTSLTFSNVHGCGLQKAHTELYRGVKIESNVYERLKIEIVVSKVPVDQVTETAKRVLKTGSPGDGKIFVYEISNTINIRTGEEGPEAL