3LAS

Crystal structure of carbonic anhydrase from streptococcus mutans to 1.4 angstrom resolution

• PDB DOI: https://doi.org/10.2210/pdb3LAS/pdb

• Classification: LYASE
• Organism(s): Streptococcus mutans
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2010-01-07 Released: 2011-01-12 
• Deposition Author(s): Ma, L.-L., Wang, K.-T., Liu, X., Su, X.-D.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 0.180 
• R-Value Work: 0.154 
• R-Value Observed: 0.156 

Literature

Crystal structure of carbonic anhydrase from streptococcus mutans to 1.4 angstrom resolution

Ma, L.-L., Wang, K.-T., Liu, X., Su, X.-D.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 36.88 kDa 
• Atom Count: 2,898 
• Modelled Residue Count: 332 
• Deposited Residue Count: 332 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative carbonic anhydrase	A, B	166	Streptococcus mutans	Mutation(s): 0  Gene Names: SMU_328 EC: 4.2.1.1
UniProt
Find proteins for Q8DVY1 (Streptococcus mutans serotype c (strain ATCC 700610 / UA159)) Explore Q8DVY1  Go to UniProtKB:  Q8DVY1

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	E [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
ZN	C [auth A], G [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
GAI	F [auth A], I [auth B]	GUANIDINE C H5 N3 ZRALSGWEFCBTJO-UHFFFAOYSA-N
MG	D [auth A], H [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 0.180 
• R-Value Work: 0.154 
• R-Value Observed: 0.156 
• Space Group: H 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 80.949	α = 90
b = 80.949	β = 90
c = 128.949	γ = 120

Software Package:

Software Name	Purpose
MAR345dtb	data collection
SOLVE	phasing
REFMAC	refinement
XDS	data reduction
XDS	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-01-12 
Deposition Author(s): Ma, L.-L., Wang, K.-T., Liu, X., Su, X.-D.

Revision History  

• Version 1.0: 2011-01-12
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2024-03-20
  Changes: Data collection, Database references, Derived calculations