6GNK: Exoenzyme S from Pseudomonas aeruginosa

Exoenzyme S from Pseudomonas aeruginosa in complex with human 14-3-3 protein beta, trimeric crystal form bound to Carba-NAD. Determined by X-ray diffraction at 2.55 Å resolution. Released 26 Sept 2018.

Method
X-ray diffraction
Resolution
2.55 Å
Organisms
Homo sapiens, Pseudomonas aeruginosa
Chains
3
Atoms
5,282
Mol. weight
83.15 kDa
Ligands
CNA
Released
26 Sept 2018

Explore 6GNK in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6GNK contains 35 α-helices and 8 β-strands across 3 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: 12 helices, 0 β-strands

ElementResiduesLengthSheet
α-helix5-1713
α-helix21-3313
α-helix36-383
α-helix40-7031
α-helix75-10228
α-helix103-1075
α-helix114-13421
α-helix138-16124
α-helix167-18216
α-helix187-20317
α-helix205-2073
α-helix213-23119
Chain B: 12 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix5-1713
α-helix21-3313
α-helix36-394
α-helix40-7031
α-helix75-10228
α-helix103-1075
α-helix114-13421
α-helix138-16124
α-helix167-18216
α-helix187-20317
α-helix205-2073
α-helix213-23018
Chain C: 11 helices, 8 β-strands
ElementResiduesLengthSheet
α-helix233-24513
α-helix247-2504
α-helix263-2719
α-helix272-2765
α-helix277-28610
α-helix288-2914
α-helix292-30817
β-strand315-32171
β-strand335-33731
β-strand342-34541
α-helix348-3525
β-strand358-36471
β-strand368-36921
α-helix376-3783
β-strand381-38441
β-strand389-39791
β-strand403-40971
α-helix410-4123
α-helix422-4254

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
14-3-3 protein beta/alphaA, Bprotein243Homo sapiensP31946 (AlphaFold model)
Exoenzyme SCprotein244Pseudomonas aeruginosaQ93SQ1 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>6GNK_1 14-3-3 protein beta/alpha (chains A, B)
MTMDKSELVQKAKLAEQAERYDDMAAAMKAVTEQGHELSNEERNLLSVAYKNVVGARRSS
WRVISSIEQKTERNEKKQQMGKEYREKIEAELQDICNDVLELLDKYLIPNATQPESKVFY
LKMKGDYFRYLSEVASGDNKQTTVSNSQQAYQEAFEISKKEMQPTHPIRLGLALNFSVFY
YEILNSPEKACSLAKTAFDEAIAELDTLNEESYKDSTLIMQLLRDNLTLWTSENENLYFQ
SLE
Sequence of entity 2 (C), FASTA
>6GNK_2 Exoenzyme S (chains C)
MGSSHHHHHHSQDPNSENLYFQGADKALADGLVKRFGADAEKYLGRQPGGIHSDAEVMAL
GLYTGIHYADLNRALRQGQELDAGQKLIDQGMSAAFEKSGQAEQVVKTFRGTRGGDAFNA
VEEGKVGHDDGYLSTSLNPGVARSFGQGTISTVFGRSGIDVSGISNYKNAKAILYNKETD
MRVLLSASDEQGVTRRVLEEAALGELSGHSQGLLDALDLASKPEPSGEVQEQDVRLRMRG
LDLA

Ligands and cofactors

IDNameFormulaCopies
CNACarba-nicotinamide-adenine-dinucleotideC22 H30 N7 O13 P21

Water and common crystallization additives (MPD) are not listed.

Primary citation

14-3-3 proteins activate Pseudomonas exotoxins-S and -T by chaperoning a hydrophobic surface. Karlberg, T., Hornyak, P., Pinto, A.F. et al. Nat Commun (2018) 9:3785-3785. DOI 10.1038/s41467-018-06194-1 · PubMed

Other PDB entries of the same protein (UniProt P31946 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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