7SNV: Ribulose bisphosphate carboxylase large chain

H. neapolitanus carboxysomal rubisco/CsoSCA-peptide (1-50)complex. Determined by electron microscopy at 2.07 Å resolution. Released 3 May 2023.

Method
Electron microscopy
Resolution
2.07 Å
Organism
Halothiobacillus neapolitanus (strain ATCC 23641 / c2)
Chains
3
Atoms
4,685
Mol. weight
72.39 kDa
Released
3 May 2023

Explore 7SNV in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7SNV contains 33 α-helices and 30 β-strands across 2 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: 26 helices, 26 β-strands

ElementResiduesLengthSheet
β-strand911
α-helix14-174
β-strand1812
α-helix22-254
β-strand29-3572
β-strand36-3723
α-helix381
α-helix43-5311
β-strand6111
α-helix63-675
α-helix70-734
β-strand76-8272
β-strand90-9672
α-helix98-1003
α-helix106-1105
α-helix111-1155
β-strand123-12533
β-strand127-13262
α-helix135-1384
α-helix147-1559
β-strand162-16434
β-strand16615
α-helix175-18814
β-strand192-19435
β-strand20216
β-strand20516
α-helix207-22519
β-strand230-23235
β-strand233-23424
α-helix240-25213
β-strand257-26154
α-helix262-2654
α-helix267-28014
β-strand283-28754
β-strand301-30222
α-helix304-31411
β-strand318-32034
α-helix329-34315
β-strand346-34727
β-strand35018
α-helix351-3533
β-strand35518
β-strand359-36027
α-helix364-3663
β-strand368-37144
α-helix377-3793
α-helix380-3878
β-strand391-39444
α-helix397-4004
α-helix406-42520
α-helix434-44411
α-helix446-4549
Chain B: 7 helices, 4 β-strands
ElementResiduesLengthSheet
α-helix6-94
α-helix20-223
α-helix24-3613
α-helix391
β-strand40-4679
α-helix48-503
α-helix561
β-strand57-5829
α-helix69-8214
β-strand87-9489
β-strand99-10799

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Ribulose bisphosphate carboxylase large chainAprotein482Halothiobacillus neapolitanus (strain ATCC 23641 / c2)O85040 (AlphaFold model)
Ribulose bisphosphate carboxylase small chainBprotein110Halothiobacillus neapolitanus (strain ATCC 23641 / c2)P45686 (AlphaFold model)
Carboxysome shell carbonic anhydraseCprotein50Halothiobacillus neapolitanus (strain ATCC 23641 / c2)O85042 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>7SNV_1 Ribulose bisphosphate carboxylase large chain (chains A)
MSAVKKYSAGVKEYRQTYWMPEYTPLDSDILACFKITPQPGVDREEAAAAVAAESSTGTW
TTVWTDLLTDMDYYKGRAYRIEDVPGDDAAFYAFIAYPIDLFEEGSVVNVFTSLVGNVFG
FKAVRGLRLEDVRFPLAYVKTCGGPPHGIQVERDKMNKYGRPLLGCTIKPKLGLSAKNYG
RAVYECLRGGLDFTKDDENINSQPFMRWRDRFLFVQDATETAEAQTGERKGHYLNVTAPT
PEEMYKRAEFAKEIGAPIIMHDYITGGFTANTGLAKWCQDNGVLLHIHRAMHAVIDRNPN
HGIHFRVLTKILRLSGGDHLHTGTVVGKLEGDRASTLGWIDLLRESFIPEDRSRGIFFDQ
DWGSMPGVFAVASGGIHVWHMPALVNIFGDDSVLQFGGGTLGHPWGNAAGAAANRVALEA
CVEARNQGRDIEKEGKEILTAAAQHSPELKIAMETWKEIKFEFDTVDKLDTQNRWSHPQF
EK
Sequence of entity 2 (B), FASTA
>7SNV_2 Ribulose bisphosphate carboxylase small chain (chains B)
MAEMQDYKQSLKYETFSYLPPMNAERIRAQIKYAIAQGWSPGIEHVEVKNSMNQYWYMWK
LPFFGEQNVDNVLAEIEACRSAYPTHQVKLVAYDNYAQSLGLAFVVYRGN
Sequence of entity 3 (C), FASTA
>7SNV_3 Carboxysome shell carbonic anhydrase (chains C)
MNTRNTRSKQRAPFGVSSSVKPRLDLIEQAPNPAYDRHPACITLPERTCR

Primary citation

Identification of a carbonic anhydrase-Rubisco complex within the alpha-carboxysome. Blikstad, C., Dugan, E.J., Laughlin, T.G. et al. Proc Natl Acad Sci U S A (2023) 120:e2308600120-e2308600120. DOI 10.1073/pnas.2308600120 · PubMed

Other PDB entries of the same protein (UniProt O85040 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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