| L | Gln-synt_N | e1f52L2   | A: beta barrels | X: Ribosomal protein L25-like | H: Glutamine synthetase, N-terminal domain (From Topology) | T: Glutamine synthetase, N-terminal domain | F: Gln-synt_N | ECOD (1.6) | 
 | L | Gln-synt_C | e1f52L1   | A: a+b two layers | X: Glutamine synthetase-like | H: Glutamine synthetase/guanido kinase (From Topology) | T: Glutamine synthetase/guanido kinase | F: Gln-synt_C | ECOD (1.6) | 
 | K | Gln-synt_N | e1f52K2   | A: beta barrels | X: Ribosomal protein L25-like | H: Glutamine synthetase, N-terminal domain (From Topology) | T: Glutamine synthetase, N-terminal domain | F: Gln-synt_N | ECOD (1.6) | 
 | K | Gln-synt_C | e1f52K1   | A: a+b two layers | X: Glutamine synthetase-like | H: Glutamine synthetase/guanido kinase (From Topology) | T: Glutamine synthetase/guanido kinase | F: Gln-synt_C | ECOD (1.6) | 
 | J | Gln-synt_N | e1f52J2   | A: beta barrels | X: Ribosomal protein L25-like | H: Glutamine synthetase, N-terminal domain (From Topology) | T: Glutamine synthetase, N-terminal domain | F: Gln-synt_N | ECOD (1.6) | 
 | J | Gln-synt_C | e1f52J1   | A: a+b two layers | X: Glutamine synthetase-like | H: Glutamine synthetase/guanido kinase (From Topology) | T: Glutamine synthetase/guanido kinase | F: Gln-synt_C | ECOD (1.6) | 
 | I | Gln-synt_N | e1f52I2   | A: beta barrels | X: Ribosomal protein L25-like | H: Glutamine synthetase, N-terminal domain (From Topology) | T: Glutamine synthetase, N-terminal domain | F: Gln-synt_N | ECOD (1.6) | 
 | I | Gln-synt_C | e1f52I1   | A: a+b two layers | X: Glutamine synthetase-like | H: Glutamine synthetase/guanido kinase (From Topology) | T: Glutamine synthetase/guanido kinase | F: Gln-synt_C | ECOD (1.6) | 
 | H | Gln-synt_N | e1f52H2   | A: beta barrels | X: Ribosomal protein L25-like | H: Glutamine synthetase, N-terminal domain (From Topology) | T: Glutamine synthetase, N-terminal domain | F: Gln-synt_N | ECOD (1.6) | 
 | H | Gln-synt_C | e1f52H1   | A: a+b two layers | X: Glutamine synthetase-like | H: Glutamine synthetase/guanido kinase (From Topology) | T: Glutamine synthetase/guanido kinase | F: Gln-synt_C | ECOD (1.6) | 
 | G | Gln-synt_N | e1f52G2   | A: beta barrels | X: Ribosomal protein L25-like | H: Glutamine synthetase, N-terminal domain (From Topology) | T: Glutamine synthetase, N-terminal domain | F: Gln-synt_N | ECOD (1.6) | 
 | G | Gln-synt_C | e1f52G1   | A: a+b two layers | X: Glutamine synthetase-like | H: Glutamine synthetase/guanido kinase (From Topology) | T: Glutamine synthetase/guanido kinase | F: Gln-synt_C | ECOD (1.6) | 
 | F | Gln-synt_N | e1f52F2   | A: beta barrels | X: Ribosomal protein L25-like | H: Glutamine synthetase, N-terminal domain (From Topology) | T: Glutamine synthetase, N-terminal domain | F: Gln-synt_N | ECOD (1.6) | 
 | F | Gln-synt_C | e1f52F1   | A: a+b two layers | X: Glutamine synthetase-like | H: Glutamine synthetase/guanido kinase (From Topology) | T: Glutamine synthetase/guanido kinase | F: Gln-synt_C | ECOD (1.6) | 
 | E | Gln-synt_N | e1f52E2   | A: beta barrels | X: Ribosomal protein L25-like | H: Glutamine synthetase, N-terminal domain (From Topology) | T: Glutamine synthetase, N-terminal domain | F: Gln-synt_N | ECOD (1.6) | 
 | E | Gln-synt_C | e1f52E1   | A: a+b two layers | X: Glutamine synthetase-like | H: Glutamine synthetase/guanido kinase (From Topology) | T: Glutamine synthetase/guanido kinase | F: Gln-synt_C | ECOD (1.6) | 
 | D | Gln-synt_N | e1f52D2   | A: beta barrels | X: Ribosomal protein L25-like | H: Glutamine synthetase, N-terminal domain (From Topology) | T: Glutamine synthetase, N-terminal domain | F: Gln-synt_N | ECOD (1.6) | 
 | D | Gln-synt_C | e1f52D1   | A: a+b two layers | X: Glutamine synthetase-like | H: Glutamine synthetase/guanido kinase (From Topology) | T: Glutamine synthetase/guanido kinase | F: Gln-synt_C | ECOD (1.6) | 
 | C | Gln-synt_N | e1f52C2   | A: beta barrels | X: Ribosomal protein L25-like | H: Glutamine synthetase, N-terminal domain (From Topology) | T: Glutamine synthetase, N-terminal domain | F: Gln-synt_N | ECOD (1.6) | 
 | C | Gln-synt_C | e1f52C1   | A: a+b two layers | X: Glutamine synthetase-like | H: Glutamine synthetase/guanido kinase (From Topology) | T: Glutamine synthetase/guanido kinase | F: Gln-synt_C | ECOD (1.6) | 
 | B | Gln-synt_N | e1f52B2   | A: beta barrels | X: Ribosomal protein L25-like | H: Glutamine synthetase, N-terminal domain (From Topology) | T: Glutamine synthetase, N-terminal domain | F: Gln-synt_N | ECOD (1.6) | 
 | B | Gln-synt_C | e1f52B1   | A: a+b two layers | X: Glutamine synthetase-like | H: Glutamine synthetase/guanido kinase (From Topology) | T: Glutamine synthetase/guanido kinase | F: Gln-synt_C | ECOD (1.6) | 
 | A | Gln-synt_N | e1f52A2   | A: beta barrels | X: Ribosomal protein L25-like | H: Glutamine synthetase, N-terminal domain (From Topology) | T: Glutamine synthetase, N-terminal domain | F: Gln-synt_N | ECOD (1.6) | 
 | A | Gln-synt_C | e1f52A1   | A: a+b two layers | X: Glutamine synthetase-like | H: Glutamine synthetase/guanido kinase (From Topology) | T: Glutamine synthetase/guanido kinase | F: Gln-synt_C | ECOD (1.6) |