1E4Y: Adenylate kinase

Mutant P9L of adenylate kinase from E. coli, modified in the Gly-loop. Determined by X-ray diffraction at 1.85 Å resolution. Released 4 Aug 2000.

Method
X-ray diffraction
Resolution
1.85 Å
Organism
Escherichia coli
Chains
2
Atoms
3,428
Mol. weight
49.19 kDa
Ligands
AP5
Released
4 Aug 2000

Explore 1E4Y in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1E4Y contains 28 α-helices and 25 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 14 helices, 13 β-strands

ElementResiduesLengthSheet
β-strand2-761
α-helix13-2311
β-strand28-3031
α-helix31-399
α-helix44-5411
α-helix57-604
α-helix61-7212
β-strand7812
β-strand8012
β-strand81-8441
α-helix90-9910
β-strand105-11061
α-helix115-1217
β-strand123-12643
α-helix127-1293
β-strand131-13443
β-strand13813
β-strand14514
α-helix1511
β-strand15214
α-helix1531
β-strand154-15523
α-helix157-1593
α-helix161-17414
α-helix177-18711
β-strand193-19751
α-helix202-21312
Chain B: 14 helices, 12 β-strands
ElementResiduesLengthSheet
β-strand2-765
α-helix13-2311
β-strand28-3035
α-helix31-4111
α-helix44-5411
α-helix57-593
α-helix61-7212
α-helix75-795
β-strand81-8445
α-helix90-9910
β-strand105-11065
α-helix115-1217
β-strand123-12646
α-helix127-1293
β-strand131-13446
β-strand13816
β-strand14217
β-strand14517
α-helix1511
β-strand15217
α-helix1531
β-strand15416
α-helix161-17414
α-helix178-18811
β-strand193-19755
α-helix202-21312

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Adenylate kinaseA, Bprotein214Escherichia coliP69441 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>1E4Y_1 Adenylate kinase (chains A, B)
MRIILLGALVAGKGTQAQFIMEKYGIPQISTGDMLRAAVKSGSELGKQAKDIMDAGKLVT
DELVIALVKERIAQEDCRNGFLLDGFPRTIPQADAMKEAGINVDYVLEFDVPDELIVDRI
VGRRVHAPSGRVYHVKFNPPKVEGKDDVTGEELTTRKDDQEETVRKRLVEYHQMTAPLIG
YYSKEAEAGNTKYAKVDGTKPVAEVRADLEKILG

Ligands and cofactors

IDNameFormulaCopies
AP5Bis(adenosine)-5'-pentaphosphateC20 H29 N10 O22 P52

Primary citation

Crystal structures of two mutants of adenylate kinase from Escherichia coli that modify the Gly-loop. Muller, C.W., Schulz, G.E. Proteins (1993) 15:42-49. DOI 10.1002/prot.340150106 · PubMed

Other PDB entries of the same protein (UniProt P69441 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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