1TK2

Crystal Structure of the Complex formed between Alkaline Proteinase Savinase and Gramicidin S at 1.5A Resolution

• PDB DOI: https://doi.org/10.2210/pdb1TK2/pdb

• Classification: HYDROLASE/ANTIBIOTIC
• Organism(s): Lederbergia lenta, Brevibacillus brevis
• Mutation(s): No 


• Deposited: 2004-06-08 Released: 2004-06-22 
• Deposition Author(s): Bhatt, V.S., Kaur, P., Klupsch, S., Betzel, C., Brenner, S., Singh, T.P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.54 Å
• R-Value Free: 0.189 
• R-Value Work: 0.169 
• R-Value Observed: 0.170 

Starting Model: experimental

Literature

Crystal Structure of the Complex Formed between Alkaline Proteinase Savinase and Gramicidin S at 1.5A Resolution.

Bhatt, V.S., Kaur, P., Klupsch, S., Betzel, C., Brenner, S., Singh, T.P.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Macromolecule Content

• Total Structure Weight: 27.96 kDa 
• Atom Count: 2,155 
• Modelled Residue Count: 279 
• Deposited Residue Count: 279 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
SUBTILISIN SAVINASE	A	269	Lederbergia lenta	Mutation(s): 0  EC: 3.4.21.62
UniProt
Find proteins for P29600 (Lederbergia lenta) Explore P29600  Go to UniProtKB:  P29600

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
GRAMICIDIN S	B	10	Brevibacillus brevis	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	C [auth A], D [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
ORN	B	L-PEPTIDE LINKING	C5 H12 N2 O2		ALA

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_000219	B	GRAMICIDIN S	Cyclic peptide / Antibiotic

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.54 Å
• R-Value Free: 0.189 
• R-Value Work: 0.169 
• R-Value Observed: 0.170 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 76.25	α = 90
b = 73.34	β = 90
c = 40.89	γ = 90

Software Package:

Software Name	Purpose
AMoRE	phasing
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-06-22 
Deposition Author(s): Bhatt, V.S., Kaur, P., Klupsch, S., Betzel, C., Brenner, S., Singh, T.P.

Revision History  

• Version 1.0: 2004-06-22
  Type: Initial release
  
• Version 1.1: 2011-06-14
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2011-07-27
  Changes: Atomic model, Database references, Derived calculations, Non-polymer description, Structure summary
• Version 1.4: 2012-12-12
  Changes: Other
• Version 1.5: 2023-08-23
  Changes: Data collection, Database references, Derived calculations, Refinement description