1JCD: Novel Alanine-Zipper Trimer

Crystal Structure of a Novel Alanine-Zipper Trimer at 1.3 A Resolution, I6A,L9A,V13A,L16A,V20A,L23A,V27A,M30A,V34A,L48A,M51A mutations. Determined by X-ray diffraction at 1.3 Å resolution. Released 17 Jun 2003.

Method: X-ray diffraction
Resolution: 1.3 Å
Organism: Escherichia coli
Chains: 3
Atoms: 1,238
Mol. weight: 15.5 kDa
Released: 17 Jun 2003

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

Secondary structure: helices and β-sheets

1JCD contains 3 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: 1 helix, 0 β-strands

Element	Residues	Length	Sheet
α-helix	4-50	47

Chains B and C: 1 helix, 0 β-strands

Element	Residues	Length	Sheet
α-helix	4-51	48

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Major outer membrane lipoprotein	A, B, C	protein	52	Escherichia coli	P69776 (AlphaFold model)

Sequence of entity 1 (A, B, C), FASTA

>1JCD_1 MAJOR OUTER MEMBRANE LIPOPROTEIN (chains A, B, C)
SSNAKADQASSDAQTANAKADQASNDANAARSDAQAAKDDAARANQRADNAA

Primary citation

An Alanine-Zipper Structure Determined by Long Range Intermolecular Interactions. Liu, J., Lu, M. J Biol Chem (2002) 277:48708-48713. DOI 10.1074/jbc.M208773200 · PubMed

Other PDB entries of the same protein (UniProt P69776 (AlphaFold model), which also has an AlphaFold model), best resolution first:

2GUV 1.4 Å, Conformational Transition between Four- and Five-stranded Phenylalanine Zippers…
1T8Z 1.45 Å, Atomic Structure of A Novel Tryptophan-Zipper Pentamer
1KFN 1.65 Å, Core side-chain packing and backbone conformation in Lpp-56 coiled-coil mutants
1JCC 1.7 Å, Crystal Structure of a Novel Alanine-Zipper Trimer at 1.7 A Resolution,…
2GUS 1.75 Å, Conformational Transition between Four- and Five-stranded Phenylalanine Zippers…
1EQ7 1.9 Å, Core structure of the outer membrane lipoprotein from escherichia coli at 1.9 Å resolution
1KFM 2.0 Å, Core side-chain packing and backbone conformation in Lpp-56 coiled-coil mutants
9RLC 2.8 Å, LolCDE complex with Lpp lipoprotein
9RLD 3.0 Å, LolCDE complex with Lpp lipoprotein
7ARJ 3.2 Å, LolCDE in complex with lipoprotein and AMPPNP complex undimerized form
7ARL 3.2 Å, LolCDE in complex with lipoprotein and ADP
7ARH 3.3 Å, LolCDE in complex with lipoprotein

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