5KJ8: Vesicle-associated membrane protein 3

Structure of the Ca2+-bound synaptotagmin-1 SNARE complex (long unit cell form) - from synchrotron diffraction. Determined by X-ray diffraction at 4.1 Å resolution. Released 19 Oct 2016.

Method
X-ray diffraction
Resolution
4.1 Å
Organism
Rattus norvegicus
Chains
11
Atoms
10,515
Mol. weight
158.57 kDa
Ligands
CA
Released
19 Oct 2016

Explore 5KJ8 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

5KJ8 contains 34 α-helices and 54 β-strands across 11 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.

Chains A and G: 1 helix, 0 β-strands

ElementResiduesLengthSheet
α-helix28-8861
Chain B: 1 helix, 0 β-strands
ElementResiduesLengthSheet
α-helix192-25463
Chain C: 1 helix, 0 β-strands
ElementResiduesLengthSheet
α-helix11-8171
Chain D: 1 helix, 0 β-strands
ElementResiduesLengthSheet
α-helix143-20159
Chain E: 9 helices, 18 β-strands
ElementResiduesLengthSheet
β-strand144-15291
β-strand157-166101
β-strand179-18682
α-helix190-1923
β-strand193-19422
α-helix195-1973
β-strand205-21281
α-helix216-2194
β-strand223-23082
β-strand239-24682
α-helix247-2493
β-strand256-26161
β-strand26312
β-strand275-28393
β-strand288-297103
α-helix299-3013
β-strand310-31894
β-strand321-32774
β-strand338-34693
α-helix352-3543
β-strand356-36384
α-helix370-3712
β-strand372-37984
α-helix385-39511
β-strand400-40673
β-strand40814
α-helix410-4167
Chain F: 9 helices, 18 β-strands
ElementResiduesLengthSheet
β-strand144-15295
β-strand157-166105
β-strand179-18686
α-helix191-1922
β-strand193-19426
α-helix195-1973
β-strand205-21285
α-helix216-2194
β-strand223-23086
β-strand239-24686
α-helix247-2493
β-strand256-26165
β-strand26316
β-strand275-28397
β-strand288-297107
α-helix299-3013
β-strand310-31898
β-strand321-32778
β-strand338-34697
α-helix352-3543
β-strand356-36388
α-helix370-3712
β-strand372-37988
α-helix385-39511
β-strand401-40667
β-strand40818
α-helix410-4167
Chain H: 1 helix, 0 β-strands
ElementResiduesLengthSheet
α-helix192-25362
Chain I: 1 helix, 0 β-strands
ElementResiduesLengthSheet
α-helix12-8271

2 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Vesicle-associated membrane protein 3A, Gprotein63Rattus norvegicusP63025 (AlphaFold model)
Syntaxin-1AB, Hprotein66Rattus norvegicusP32851 (AlphaFold model)
Synaptosomal-associated protein 25C, Iprotein75Rattus norvegicusP60881 (AlphaFold model)
Synaptosomal-associated protein 25D, Jprotein64Rattus norvegicusP60881 (AlphaFold model)
Synaptotagmin-1E, F, Kprotein279Rattus norvegicusP21707 (AlphaFold model)
Sequence of entity 1 (A, G), FASTA
>5KJ8_1 Vesicle-associated membrane protein 3 (chains A, G)
GSNRRLQQTQAQVDEVVDIMRVNVDKVLERDQKLSELDDRADALQAGASQFETSAAKLKR
KYW
Sequence of entity 2 (B, H), FASTA
>5KJ8_2 Syntaxin-1A (chains B, H)
ALSEIETRHSEIIKLENSIRELHDMFMDMAMLVESQGEMIDRIEYNVEHAVDYVERAVSD
TKKAVK
Sequence of entity 3 (C, I), FASTA
>5KJ8_3 Synaptosomal-associated protein 25 (chains C, I)
NELEEMQRRADQLADESLESTRRMLQLVEESKDAGIRTLVMLDEQGEQLDRVEEGMNHIN
QDMKEAEKNLKDLGK
Sequence of entity 4 (D, J), FASTA
>5KJ8_4 Synaptosomal-associated protein 25 (chains D, J)
ARENEMDENLEQVSGIIGNLRHMALDMGNEIDTQNRQIDRIMEKADSNKTRIDEANQRAT
KMLG
Sequence of entity 5 (E, F, K), FASTA
>5KJ8_5 Synaptotagmin-1 (chains E, F, K)
KLGKLQYSLDYDFQNNQLLVGIIQAAELPALDMGGTSDPYVKVFLLPDKKKKFETKVHRK
TLNPVFNEQFTFKVPYSELGGKTLVMAVYDFDRFSKHDIIGEFKVPMNTVDFGHVTEEWR
DLQSAEKEEQEKLGDICFSLRYVPTAGKLTVVILEAKNLKKMDVGGLSDPYVKIHLMQNG
KRLKKKKTTIKKNTLNPYYNESFSFEVPFEQIQKVQVVVTVLDYDKIGKNDAIGKVFVGY
NSTGAELRHWSDMLANPRRPIAQWHTLQVEEEVDAMLAV

Ligands and cofactors

IDNameFormulaCopies
CACalcium ionCa14

Primary citation

Advances in X-ray free electron laser (XFEL) diffraction data processing applied to the crystal structure of the synaptotagmin-1 / SNARE complex. Lyubimov, A.Y., Uervirojnangkoorn, M., Zeldin, O.B. et al. Elife (2016) 5. DOI 10.7554/eLife.18740 · PubMed

Other PDB entries of the same protein (UniProt P63025 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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