1QJB: 14-3-3 zeta/phosphopeptide complex

14-3-3 zeta/phosphopeptide complex (mode 1). Determined by X-ray diffraction at 2.0 Å resolution. Released 15 Sept 1999.

Method: X-ray diffraction
Resolution: 2.0 Å
Organism: HOMO SAPIENS
Chains: 4
Atoms: 4,193
Mol. weight: 57.49 kDa
Released: 15 Sept 1999

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

Secondary structure: helices and β-sheets

1QJB contains 28 α-helices and 0 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: 13 helices, 0 β-strands

Element	Residues	Length
α-helix	3-15	13
α-helix	19-31	13
α-helix	34-36	3
α-helix	38-66	29
α-helix	77-100	24
α-helix	101-105	5
α-helix	112-130	19
α-helix	142-159	18
α-helix	165-176	12
α-helix	177-181	5
α-helix	185-200	16
α-helix	203-205	3
α-helix	211-228	18

Chain B: 14 helices, 0 β-strands

Element	Residues	Length
α-helix	3-15	13
α-helix	19-31	13
α-helix	35-37	3
α-helix	38-68	31
α-helix	73-100	28
α-helix	101-105	5
α-helix	106-108	3
α-helix	112-132	21
α-helix	142-159	18
α-helix	165-176	12
α-helix	177-181	5
α-helix	185-200	16
α-helix	203-205	3
α-helix	211-228	18

Chain Q: 1 helix, 0 β-strands

Element	Residues	Length	Sheet
α-helix	4-6	3

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
14-3-3 protein zeta/delta	A, B	protein	245	HOMO SAPIENS	P63104 (AlphaFold model)
Phosphopeptide	Q, S	protein	8	HOMO SAPIENS	P0DOJ7 (AlphaFold model)

Sequence of entity 1 (A, B), FASTA

>1QJB_1 14-3-3 PROTEIN ZETA/DELTA (chains A, B)
MDKNELVQKAKLAEQAERYDDMAACMKSVTEQGAELSNEERNLLSVAYKNVVGARRSSWR
VVSSIEQKTEGAEKKQQMAREYREKIETELRDICNDVLSLLEKFLIPNASQAESKVFYLK
MKGDYYRYLAEVAAGDDKKGIVDQSQQAYQEAFEISKKEMQPTHPIRLGLALNFSVFYYE
ILNSPEKACSLAKTAFDEAIAELDTLSEESYKDSTLIMQLLRDNLTLWTSDTQGDEAEAG
EGGEN

Sequence of entity 2 (Q, S), FASTA

>1QJB_2 PHOSPHOPEPTIDE (chains Q, S)
ARSHSYPA

Primary citation

Structural Analysis of 14-3-3 Phosphopeptide Complexes Identifies a Dual Role for the Nuclear Export Signal of 14-3-3 in Ligand Binding. Rittinger, K., Budman, J., Xu, J. et al. Mol Cell (1999) 4:153. DOI 10.1016/S1097-2765(00)80363-9 · PubMed

Other PDB entries of the same protein (UniProt P63104 (AlphaFold model), which also has an AlphaFold model), best resolution first:

2O02 1.5 Å, Phosphorylation independent interactions between 14-3-3 and Exoenzyme S: from structure…
6F09 1.59 Å, Binary complex of 14-3-3 zeta with ubiquitin specific protease 8 (USP8) pSer718 peptide
7ZIT 1.79 Å, 14-3-3 in complex with SARS-COV2 N phospho-peptide
9UJ2 1.8 Å, 14-3-3 zeta chimera with the S202R peptide of SARS-CoV-2 N (residues 200-213)
6ZFG 1.85 Å, 14-3-3 zeta chimera with 18E6 and fusicoccin
6F08 1.9 Å, 14-3-3 zeta in complex with the human Son of sevenless homolog 1 (SOS1)
6ZFD 1.9 Å, 14-3-3 zeta bound to the phosphorylated 18E6 C-terminus
4FJ3 1.95 Å, 14-3-3 isoform zeta in complex with a diphoyphorylated C-RAF peptide
5EXA 1.95 Å, Small-molecule stabilization of the 14-3-3/Gab2 PPI interface
8P1H 1.95 Å, Crystal structure of the chimera of human 14-3-3 zeta and phosphorylated cytoplasmic…
8A9G 1.96 Å, Binary complex of 14-3-3 zeta Glucocorticoid Receptor (GR) pT524 peptide stabilised by…
1QJA 2.0 Å, 14-3-3 zeta/phosphopeptide complex (mode 2)

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