|  | Class c: Alpha and beta proteins (a/b) [51349] (147 folds) | 
|  | Fold c.37: P-loop containing nucleoside triphosphate hydrolases [52539] (1 superfamily) 3 layers: a/b/a, parallel or mixed beta-sheets of variable sizes | 
|  | Superfamily c.37.1: P-loop containing nucleoside triphosphate hydrolases [52540] (25 families)  division into families based on beta-sheet topologies | 
|  | Family c.37.1.8: G proteins [52592] (79 proteins) core: mixed beta-sheet of 6 strands, order 231456; strand 2 is antiparallel to the rest | 
|  | Protein Elongation factor Tu (EF-Tu), N-terminal (G) domain [52626] (4 species) | 
|  | Species Cow (Bos taurus), mitochondrial [TaxId:9913] [52630] (2 PDB entries) Uniprot P49410 56-452 | 
|  | Domain d1d2ea3: 1d2e A:55-250 [32136] Other proteins in same PDB: d1d2ea1, d1d2ea2, d1d2eb1, d1d2eb2, d1d2ec1, d1d2ec2, d1d2ed1, d1d2ed2 protein/RNA complex; complexed with gdp, mg | 
|  | Domain d1d2eb3: 1d2e B:55-250 [32137] Other proteins in same PDB: d1d2ea1, d1d2ea2, d1d2eb1, d1d2eb2, d1d2ec1, d1d2ec2, d1d2ed1, d1d2ed2 protein/RNA complex; complexed with gdp, mg | 
|  | Domain d1d2ec3: 1d2e C:55-250 [32138] Other proteins in same PDB: d1d2ea1, d1d2ea2, d1d2eb1, d1d2eb2, d1d2ec1, d1d2ec2, d1d2ed1, d1d2ed2 protein/RNA complex; complexed with gdp, mg | 
|  | Domain d1d2ed3: 1d2e D:55-250 [32139] Other proteins in same PDB: d1d2ea1, d1d2ea2, d1d2eb1, d1d2eb2, d1d2ec1, d1d2ec2, d1d2ed1, d1d2ed2 protein/RNA complex; complexed with gdp, mg | 
Timeline for Species Cow (Bos taurus), mitochondrial [TaxId:9913] from c.37.1.8 Elongation factor Tu (EF-Tu), N-terminal (G) domain: