3JV2: B. subtilis SecA with bound peptide

Crystal Structure of B. subtilis SecA with bound peptide. Determined by X-ray diffraction at 2.5 Å resolution. Released 24 Nov 2009.

Method
X-ray diffraction
Resolution
2.5 Å
Organism
Bacillus subtilis
Chains
4
Atoms
12,364
Mol. weight
179.87 kDa
Ligands
ADP, MG
Released
24 Nov 2009

Explore 3JV2 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3JV2 contains 80 α-helices and 54 β-strands across 4 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: 39 helices, 25 β-strands

ElementResiduesLengthSheet
α-helix18-2811
α-helix31-344
α-helix38-5316
α-helix58-7619
α-helix83-9311
β-strand97-9931
α-helix106-11611
β-strand125-12841
α-helix131-14717
β-strand152-15431
α-helix161-1699
β-strand172-17651
α-helix177-18711
α-helix193-1953
β-strand203-20751
α-helix209-2102
α-helix211-2155
α-helix2191
β-strand220-22892
α-helix229-2302
α-helix232-24312
β-strand250-25343
β-strand258-26143
α-helix263-27210
α-helix281-2833
α-helix284-29815
β-strand30214
β-strand306-30944
β-strand312-31544
α-helix333-3408
β-strand349-35682
α-helix357-3615
β-strand366-37161
α-helix375-3773
α-helix378-3858
β-strand389-39131
α-helix392-3943
β-strand401-40225
α-helix403-4053
β-strand406-40836
α-helix411-42717
β-strand432-43655
α-helix439-45214
β-strand457-45935
α-helix464-4729
β-strand480-48455
α-helix500-5023
β-strand505-50955
α-helix516-5238
α-helix528-5303
β-strand533-53755
β-strand538-54036
α-helix549-56113
β-strand56417
β-strand56717
β-strand56916
α-helix572-61847
α-helix624-64017
α-helix657-6648
α-helix673-6753
α-helix681-70323
α-helix705-73632
α-helix738-7403
α-helix749-77729
Chain B: 41 helices, 27 β-strands
ElementResiduesLengthSheet
α-helix15-173
α-helix18-2811
α-helix30-323
α-helix38-5417
α-helix58-7720
α-helix83-9311
β-strand97-9938
α-helix106-11611
β-strand125-12848
α-helix131-14717
β-strand152-15438
α-helix161-1699
β-strand172-17658
α-helix177-18711
α-helix193-1953
β-strand203-20648
α-helix209-2102
α-helix211-2155
α-helix2191
β-strand220-22899
α-helix229-2302
α-helix232-24312
β-strand250-253410
β-strand258-261410
α-helix263-27311
α-helix281-2833
α-helix284-29815
β-strand302111
β-strand306-308311
β-strand313-315311
β-strand316112
β-strand323112
α-helix333-3408
α-helix343-3475
β-strand349-35689
α-helix357-3615
β-strand366-37168
α-helix375-3773
α-helix378-3858
β-strand389-39138
α-helix392-3943
β-strand401-402213
α-helix403-4053
β-strand406-408314
α-helix411-42818
β-strand432-436513
α-helix439-45214
β-strand457-459313
α-helix464-4729
β-strand480-484513
α-helix499-5024
β-strand505-509513
α-helix516-5238
α-helix528-5303
β-strand533-537513
β-strand538-540314
α-helix544-5485
α-helix552-56110
β-strand564115
β-strand567115
β-strand569114
α-helix572-61948
α-helix624-64017
α-helix657-6648
α-helix681-70323
α-helix705-73632
α-helix738-7403
α-helix749-77729
Chains C and D: 0 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand212

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Protein translocase subunit SecAA, Bprotein783Bacillus subtilisP28366 (AlphaFold model)
peptideC, Dprotein3
Sequence of entity 1 (A, B), FASTA
>3JV2_1 Protein translocase subunit SecA (chains A, B)
GPHMLGILNKMFDPTKRTLNRYEKIANDIDAIRGDYENLSDDALKHKTIEFKERLEKGAT
TDDLLVEAFAVVREASRRVTGMFPFKVQLMGGVALHDGNIAEMKTGEGKTLTSTLPVYLN
ALTGKGVHVVTVNEYLASRDAEQMGKIFEFLGLTVGLNLNSMSKDEKREAYAADITYSTN
NELGFDYLRDNMVLYKEQMVQRPLHFAVIDEVDSILIDEARTPLIISGQAAKSTKLYVQA
NAFVRTLKAEKDYTYDIKTKAVQLTEEGMTKAEKAFGIDNLFDVKHVALNHHINQALKAH
VAMQKDVDYVVEDGQVVIVDSFTGRLMKGRRYSEGLHQAIEAKEGLEIQNESMTLATITF
QNYFRMYEKLAGMTGTAKTEEEEFRNIYNMQVVTIPTNRPVVRDDRPDLIYRTMEGKFKA
VAEDVAQRYMTGQPVLVGTVAVETSELISKLLKNKGIPHQVLNAKNHEREAQIIEEAGQK
GAVTIATNMAGRGTDIKLGEGVKELGGLAVVGTERHESRRIDNQLRGRSGRQGDPGITQF
YLSMEDELMRRFGAERTMAMLDRFGMDDSTPIQSKMVSRAVESSQKRVEGNNFDSRKQLL
QYDDVLRQQREVIYKQRFEVIDSENLREIVENMIKSSLERAIAAYTPREELPEEWKLDGL
VDLINTTYLDEGALEKSDIFGKEPDEMLELIMDRIITKYNEKEEQFGKEQMREFEKVIVL
RAVDSKWMDHIDAMDQLRQGIHLRAYAQTNPLREYQMEGFAMFEHMIESIEDEVAKFVMK
AEI
Sequence of entity 2 (C, D), FASTA
>3JV2_2 peptide (chains C, D)
XXX

Ligands and cofactors

IDNameFormulaCopies
ADPAdenosine-5'-diphosphateC10 H15 N5 O10 P22
MGMagnesium ionMg2

Primary citation

Conformational flexibility and peptide interaction of the translocation ATPase SecA. Zimmer, J., Rapoport, T.A. J Mol Biol (2009) 394:606-612. DOI 10.1016/j.jmb.2009.10.024 · PubMed

Other PDB entries of the same protein (UniProt P28366 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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