| A | Gln-synt_N | e2d3cA2 | 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 | e2d3cA1 | 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 | e2d3cB2 | 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 | e2d3cB1 | 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 | e2d3cC2 | 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 | e2d3cC1 | 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 | e2d3cD2 | 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 | e2d3cD1 | 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 | e2d3cE2 | 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 | e2d3cE1 | 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 | e2d3cF2 | 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 | e2d3cF1 | 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 | e2d3cG2 | 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 | e2d3cG1 | 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 | e2d3cH2 | 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 | e2d3cH1 | 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 | e2d3cI2 | 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 | e2d3cI1 | 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 | e2d3cJ2 | 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 | e2d3cJ1 | 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) |