2CNW: GDPALF4 complex of the SRP GTPases Ffh and FtsY

GDPALF4 complex of the SRP GTPases Ffh and FtsY. Determined by X-ray diffraction at 2.39 Å resolution. Released 11 Oct 2006.

Method
X-ray diffraction
Resolution
2.39 Å
Organism
THERMUS AQUATICUS
Chains
6
Atoms
13,912
Mol. weight
193.71 kDa
Ligands
GDP, MG, ALF, 5GP
Released
11 Oct 2006

Explore 2CNW in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2CNW contains 75 α-helices and 54 β-strands across 6 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, 9 β-strands

ElementResiduesLengthSheet
α-helix7-148
α-helix24-4017
α-helix45-6016
α-helix70-8516
β-strand100-10451
α-helix111-12313
β-strand129-13351
α-helix141-15212
β-strand156-15831
α-helix159-1602
α-helix165-17915
β-strand183-18751
α-helix188-1903
α-helix196-20914
β-strand213-21971
β-strand22212
α-helix226-23611
β-strand241-24551
α-helix255-2639
β-strand267-27151
β-strand279-28131
α-helix284-2929
Chain B: 13 helices, 9 β-strands
ElementResiduesLengthSheet
α-helix7-137
α-helix14-163
α-helix26-4015
α-helix45-6117
α-helix70-8516
β-strand99-10463
α-helix111-12313
β-strand129-13353
α-helix141-15212
β-strand156-15833
α-helix159-1602
α-helix165-17814
β-strand183-18753
α-helix196-20914
β-strand213-21973
β-strand22214
α-helix226-23611
β-strand241-24553
α-helix255-2639
β-strand267-27153
β-strand279-28133
α-helix284-2929
Chain C: 14 helices, 9 β-strands
ElementResiduesLengthSheet
α-helix7-148
α-helix24-3916
α-helix45-6117
α-helix64-663
α-helix70-8516
β-strand99-10465
α-helix111-12313
β-strand129-13355
α-helix141-15212
β-strand156-15835
α-helix159-1602
α-helix165-17814
β-strand183-18755
α-helix188-1903
α-helix196-20914
β-strand213-21975
β-strand22216
α-helix226-23611
β-strand241-24555
α-helix255-2639
β-strand267-27155
β-strand279-28135
α-helix284-2918
Chain D: 13 helices, 9 β-strands
ElementResiduesLengthSheet
α-helix28-4114
α-helix46-5813
α-helix64-7512
α-helix80-878
α-helix97-1004
β-strand104-10857
α-helix115-12713
β-strand133-13647
α-helix145-15612
β-strand160-16127
α-helix169-18214
β-strand187-19047
α-helix200-21617
β-strand223-22977
β-strand23212
α-helix235-24713
β-strand251-25557
α-helix266-2738
α-helix275-2762
β-strand277-28157
β-strand289-29137
α-helix294-3029
Chain E: 12 helices, 9 β-strands
ElementResiduesLengthSheet
α-helix28-4114
α-helix46-5611
α-helix65-7612
α-helix81-888
α-helix90-923
β-strand104-10858
α-helix115-12713
β-strand133-13648
α-helix147-15610
β-strand160-16128
α-helix169-18315
β-strand187-19048
α-helix200-21617
β-strand223-22978
β-strand23214
α-helix235-24713
β-strand251-25558
α-helix266-2738
β-strand277-28158
β-strand289-29138
α-helix294-3018
Chain F: 10 helices, 9 β-strands
ElementResiduesLengthSheet
α-helix30-4011
α-helix46-5914
α-helix65-7511
β-strand104-10859
α-helix115-12713
β-strand133-13649
α-helix145-15612
β-strand160-16129
α-helix169-18214
β-strand187-19049
α-helix200-21617
β-strand223-22979
β-strand23216
α-helix235-24713
β-strand251-25559
α-helix266-2738
β-strand277-28159
β-strand289-29139
α-helix294-3018

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Signal recognition particle proteinA, B, Cprotein294THERMUS AQUATICUSO07347 (AlphaFold model)
Cell division protein ftsyD, E, Fprotein284THERMUS AQUATICUSP83749 (AlphaFold model)
Sequence of entity 1 (A, B, C), FASTA
>2CNW_1 SIGNAL RECOGNITION PARTICLE PROTEIN (chains A, B, C)
MFQQLSARLQEAIGRLRGRGRITEEDLKATLREIRRALMDADVNLEVARDFVERVREEAL
GKQVLESLTPAEVILATVYEALKEALGGEARLPVLKDRNLWFLVGLQGSGKTTTAAKLAL
YYKGKGRRPLLVAADTQRPAAREQLRLLGEKVGVPVLEVMDGESPESIRRRVEEKARLEA
RDLILVDTAGRLQIDEPLMGELARLKEVLGPDEVLLVLDAMTGQEALSVARAFDEKVGVT
GLVLTKLDGDARGGAALSARHVTGKPIYFAGVSEKPEGLEPFYPERLAGRILGM
Sequence of entity 2 (D, E, F), FASTA
>2CNW_2 CELL DIVISION PROTEIN FTSY (chains D, E, F)
AIPWGGNLEEVLEELEMALLAADVGLSATEEILQEVRASGRKDLKEAVKEKLVGMLEPDE
RRATLRKLGFNPQKPKPVEPKGRVVLVVGVNGVGKTTTIAKLGRYYQNLGKKVMFCAGDT
FRAAGGTQLSEWGKRLSIPVIQGPEGTDPAALAYDAVQAMKARGYDLLFVDTAGRLHTKH
NLMEELKKVKRAIAKADPEEPKEVWLVLDAVTGQNGLEQAKKFHEAVGLTGVIVTKLDGT
AKGGVLIPIVRTLKVPIKFVGVGEGPDDLQPFDPEAFVEALLED

Ligands and cofactors

IDNameFormulaCopies
GDPGuanosine-5'-diphosphateC10 H15 N5 O11 P26
MGMagnesium ionMg6
ALFTetrafluoroaluminate ionAl F46
5GPGuanosine-5'-monophosphateC10 H14 N5 O8 P3

Primary citation

Structure of a Gdp:Alf(4) Complex of the Srp Gtpases Ffh and Ftsy, and Identification of a Peripheral Nucleotide Interaction Site. Focia, P.J., Gawronski-Salerno, J., Coon V, J.S. et al. J Mol Biol (2006) 360:631. DOI 10.1016/J.JMB.2006.05.031 · PubMed

Other PDB entries of the same protein (UniProt O07347 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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