3ND1

Crystal structure of Precorrin-6A synthase from Rhodobacter capsulatus

• PDB DOI: https://doi.org/10.2210/pdb3ND1/pdb

• Classification: TRANSFERASE
• Organism(s): Rhodobacter capsulatus SB 1003
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2010-06-06 Released: 2011-06-08 
• Deposition Author(s): Seyedarabi, A., Pickersgill, R.W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.220 
• R-Value Work: 0.194 
• R-Value Observed: 0.195 

Starting Model: experimental

Literature

Crystal structure of Precorrin-6A synthase from Rhodobacter capsulatus

Seyedarabi, A., Pickersgill, R.W.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 60.27 kDa 
• Atom Count: 4,530 
• Modelled Residue Count: 493 
• Deposited Residue Count: 550 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Precorrin-6A synthase/CobF protein	A, B	275	Rhodobacter capsulatus SB 1003	Mutation(s): 0  Gene Names: CobF EC: 2.1.1 (PDB Primary Data), 2.1.1.152 (UniProt)
UniProt
Find proteins for D5AV00 (Rhodobacter capsulatus (strain ATCC BAA-309 / NBRC 16581 / SB1003)) Explore D5AV00  Go to UniProtKB:  D5AV00

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SAH	C [auth A], F [auth B]	S-ADENOSYL-L-HOMOCYSTEINE C14 H20 N6 O5 S ZJUKTBDSGOFHSH-WFMPWKQPSA-N
ACT	D [auth A], E [auth A], G [auth B]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.220 
• R-Value Work: 0.194 
• R-Value Observed: 0.195 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 61.661	α = 90
b = 89.283	β = 90
c = 107.163	γ = 90

Software Package:

Software Name	Purpose
MOLREP	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-06-08 
Deposition Author(s): Seyedarabi, A., Pickersgill, R.W.

Revision History  

• Version 1.0: 2011-06-08
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-09-06
  Changes: Data collection, Database references, Derived calculations, Refinement description