3BKK

Tesis ACE co-crystal structure with ketone ACE inhibitor kAF

• PDB DOI: https://doi.org/10.2210/pdb3BKK/pdb

• Classification: HYDROLASE
• Organism(s): Homo sapiens
• Expression System: Cricetulus griseus
• Mutation(s): Yes 


• Deposited: 2007-12-07 Released: 2008-06-10 
• Deposition Author(s): Watermeyer, J.M., Kroger, W.L., O'Neill, H.G., Sewell, B.T., Sturrock, E.D.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.17 Å
• R-Value Free: 0.251 
• R-Value Work: 0.202 

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: 69.92 kDa 
• Atom Count: 5,181 
• Modelled Residue Count: 586 
• Deposited Residue Count: 591 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Angiotensin-converting enzyme, somatic isoform	A	591	Homo sapiens	Mutation(s): 5  Gene Names: ACE, DCP, DCP1 EC: 3.4.15.1
UniProt & NIH Common Fund Data Resources
Find proteins for P12821 (Homo sapiens) Explore P12821  Go to UniProtKB:  P12821
PHAROS:  P12821 GTEx:  ENSG00000159640

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	B	3		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G21290RB GlyCosmos:  G21290RB GlyGen:  G21290RB

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
KAF	H [auth A]	N-{(5S)-4,4-dihydroxy-6-phenyl-5-[(phenylcarbonyl)amino]hexanoyl}-L-phenylalanine C28 H30 N2 O6 XSYPPQBCHNRTIT-ZEQRLZLVSA-N
NAG	C [auth A], D [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
ZN	E [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
CL	F [auth A], G [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Binding Affinity Annotations
ID	Source	Binding Affinity
KAF	PDBBind:  3BKK	Ki: 830 (nM) from 1 assay(s)
	Binding MOAD:  3BKK	Ki: 830 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.17 Å
• R-Value Free: 0.251 
• R-Value Work: 0.202 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 60.383	α = 90
b = 85.07	β = 90
c = 135.506	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
EPMR	phasing
CNS	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-06-10 
Deposition Author(s): Watermeyer, J.M., Kroger, W.L., O'Neill, H.G., Sewell, B.T., Sturrock, E.D.

Revision History  

• Version 1.0: 2008-06-10
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description, Source and taxonomy
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Structure summary
• Version 2.1: 2021-10-20
  Changes: Database references, Structure summary
• Version 2.2: 2023-08-30
  Changes: Data collection, Refinement description