5CJF

The crystal structure of the human carbonic anhydrase XIV in complex with a 1,1'-biphenyl-4-sulfonamide inhibitor.

• PDB DOI: https://doi.org/10.2210/pdb5CJF/pdb

• Classification: LYASE
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): No 


• Deposited: 2015-07-14 Released: 2015-11-04 
• Deposition Author(s): Alterio, V., De Simone, G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.83 Å
• R-Value Free: 0.216 
• R-Value Work: 0.197 
• R-Value Observed: 0.196 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Macromolecule Content

• Total Structure Weight: 32.93 kDa 
• Atom Count: 2,513 
• Modelled Residue Count: 267 
• Deposited Residue Count: 279 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Carbonic anhydrase 14	A	279	Homo sapiens	Mutation(s): 0  Gene Names: CA14, UNQ690/PRO1335 EC: 4.2.1.1
UniProt & NIH Common Fund Data Resources
Find proteins for Q9ULX7 (Homo sapiens) Explore Q9ULX7  Go to UniProtKB:  Q9ULX7
PHAROS:  Q9ULX7 GTEx:  ENSG00000118298

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	B	5		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G22768VO GlyCosmos:  G22768VO GlyGen:  G22768VO

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
520	D [auth A]	4'-(4-aminobenzoyl)biphenyl-4-sulfonamide C19 H16 N2 O3 S XKAQFZLONLOUSN-UHFFFAOYSA-N
SO4	G [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	E [auth A], F [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
ZN	C [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
520	Binding MOAD:  5CJF	Ki: 0.26 (nM) from 1 assay(s)
	BindingDB:  5CJF	Ki: 0.26 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.83 Å
• R-Value Free: 0.216 
• R-Value Work: 0.197 
• R-Value Observed: 0.196 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 88.495	α = 90
b = 88.495	β = 90
c = 108.736	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
d*TREK	data scaling
HKL-2000	data scaling
PDB_EXTRACT	data extraction
HKL-2000	data reduction
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-11-04 
Deposition Author(s): Alterio, V., De Simone, G.

Revision History  

• Version 1.0: 2015-11-04
  Type: Initial release
  
• Version 1.1: 2015-11-25
  Changes: Database references
• Version 1.2: 2015-12-02
  Changes: Database references
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Structure summary
• Version 2.1: 2024-01-10
  Changes: Data collection, Database references, Derived calculations, Refinement description, Structure summary