3MDZ

Crystal Structure of Human Carbonic Anhydrase VII [isoform 1], CA7

• PDB DOI: https://doi.org/10.2210/pdb3MDZ/pdb

• Classification: LYASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2010-03-31 Released: 2010-06-23 
• Deposition Author(s): Ugochukwu, E., Shafqat, N., Pilka, E., Chaikuad, A., Krojer, T., Muniz, J., Kim, J., Bray, J., Bountra, C., Arrowsmith, C.H., Weigelt, J., Edwards, A., von Delft, F., Carpenter, E.P., Yue, W.W., Oppermann, U., Structural Genomics Consortium (SGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.32 Å
• R-Value Free: 0.252 
• R-Value Work: 0.200 
• R-Value Observed: 0.203 

Starting Model: experimental

Literature

Crystal Structure of Human Carbonic Anhydrase VII [isoform 1], CA7

Ugochukwu, E., Shafqat, N., Pilka, E., Chaikuad, A., Krojer, T., Muniz, J., Kim, J., Bray, J., Bountra, C., Arrowsmith, C.H., Weigelt, J., Edwards, A., von Delft, F., Carpenter, E.P., Yue, W.W., Oppermann, U.

To be published.

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: 32.33 kDa 
• Atom Count: 2,077 
• Modelled Residue Count: 259 
• Deposited Residue Count: 281 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Carbonic anhydrase 7	A	281	Homo sapiens	Mutation(s): 0  Gene Names: CA7 EC: 4.2.1.1
UniProt & NIH Common Fund Data Resources
Find proteins for P43166 (Homo sapiens) Explore P43166  Go to UniProtKB:  P43166
GTEx:  ENSG00000168748

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EZL	C [auth A]	6-ethoxy-1,3-benzothiazole-2-sulfonamide C9 H10 N2 O3 S2 OUZWUKMCLIBBOG-UHFFFAOYSA-N
GOL	D [auth A], E [auth A], F [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
EZL	PDBBind:  3MDZ	Ki: 0.8 (nM) from 1 assay(s)
	BindingDB:  3MDZ	Ki: min: 0.78, max: 0.8 (nM) from 2 assay(s)
		Kd: 0.71 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.32 Å
• R-Value Free: 0.252 
• R-Value Work: 0.200 
• R-Value Observed: 0.203 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 69.71	α = 90
b = 97.746	β = 90
c = 82.443	γ = 90

Software Package:

Software Name	Purpose
MAR345	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-06-23 
Deposition Author(s): Ugochukwu, E., Shafqat, N., Pilka, E., Chaikuad, A., Krojer, T., Muniz, J., Kim, J., Bray, J., Bountra, C., Arrowsmith, C.H., Weigelt, J., Edwards, A., von Delft, F., Carpenter, E.P., Yue, W.W., Oppermann, U., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2010-06-23
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-11-08
  Changes: Refinement description
• Version 1.3: 2023-11-01
  Changes: Data collection, Database references, Derived calculations, Refinement description