8BCM | pdb_00008bcm

Structure of Synechococcus elongatus PCC 7942 Rubisco recombinantly expressed from E.coli

• PDB DOI: https://doi.org/10.2210/pdb8BCM/pdb
• EM Map EMD-15966: EMDB EMDataResource

• Classification: BIOSYNTHETIC PROTEIN
• Organism(s): Synechococcus elongatus PCC 7942 = FACHB-805
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2022-10-17 Released: 2023-11-01 
• Deposition Author(s): Ni, T., Sun, Y., Liu, L.N., Zhang, P.
• Funding Organization(s): Wellcome Trust, Biotechnology and Biological Sciences Research Council (BBSRC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.15 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structure of Rubisco

Sun, Y., Ni, T.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D4  (Explore in 3D)
Global Stoichiometry: Hetero 16-mer - A8B8 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 526.93 kDa 
• Atom Count: 33,520 
• Modeled Residue Count: 4,216 
• Deposited Residue Count: 4,664 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ribulose 1,5-bisphosphate carboxylase small subunit	A [auth D], C [auth E], D [auth K], E [auth N], F [auth L], G [auth O], H [auth M], I [auth P]	111	Synechococcus elongatus PCC 7942 = FACHB-805	Mutation(s): 0  Gene Names: Synpcc7942_1427 EC: 4.1.1.39
UniProt
Find proteins for Q31NB2 (Synechococcus elongatus (strain ATCC 33912 / PCC 7942 / FACHB-805)) Explore Q31NB2  Go to UniProtKB:  Q31NB2

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Ribulose bisphosphate carboxylase large chain	B [auth C], J [auth B], K [auth A], L [auth H], M [auth F], N [auth I], O [auth G], P [auth J]	472	Synechococcus elongatus PCC 7942 = FACHB-805	Mutation(s): 0  Gene Names: cbbL, rbcL, Synpcc7942_1426 EC: 4.1.1.39
UniProt
Find proteins for Q31NB3 (Synechococcus elongatus (strain ATCC 33912 / PCC 7942 / FACHB-805)) Explore Q31NB3  Go to UniProtKB:  Q31NB3

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.15 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-11-01 
Deposition Author(s): Ni, T., Sun, Y., Liu, L.N., Zhang, P.

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Funding Organization	Location	Grant Number
Wellcome Trust	United Kingdom	--
Biotechnology and Biological Sciences Research Council (BBSRC)	United Kingdom	--

Revision History  

• Version 1.0: 2023-11-01
  Type: Initial release
  
• Version 1.1: 2024-11-13
  Changes: Data collection, Structure summary
• Version 1.2: 2025-07-09
  Changes: Data collection