3FL1

X-ray structure of the non covalent swapped form of the A19P/Q28L/K31C/S32C mutant of bovine pancreatic ribonuclease in complex with 2'-DEOXYCYTIDINE-2'-DEOXYGUANOSINE-3',5'-MONOPHOSPHATE

• PDB DOI: https://doi.org/10.2210/pdb3FL1/pdb

• Classification: HYDROLASE
• Organism(s): Bos taurus
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2008-12-18 Released: 2009-03-24 
• Deposition Author(s): Merlino, A., Russo Krauss, I., Perillo, M., Mattia, C.A., Ercole, C., Picone, D., Vergara, A., Sica, F.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.223 
• R-Value Work: 0.175 
• R-Value Observed: 0.179 

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: 28.64 kDa 
• Atom Count: 2,152 
• Modelled Residue Count: 242 
• Deposited Residue Count: 248 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ribonuclease pancreatic	A, B	124	Bos taurus	Mutation(s): 4  Gene Names: RNASE1, RNS1 EC: 3.1.27.5
UniProt
Find proteins for P61823 (Bos taurus) Explore P61823  Go to UniProtKB:  P61823

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-glucopyranose-(1-1)-alpha-D-glucopyranose	C	2		N/A
Glycosylation Resources
GlyTouCan:  G92130SN GlyCosmos:  G92130SN

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CGP	D [auth B]	2'-DEOXYCYTIDINE-2'-DEOXYGUANOSINE-3',5'-MONOPHOSPHATE C19 H25 N8 O10 P OBCJQWSXSLYWHI-GVKYBDNRSA-N
SO4	E [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
YCM	A, B	L-PEPTIDE LINKING	C5 H10 N2 O3 S		CYS

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900006	C	trehalose	Oligosaccharide / Nutrient

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.223 
• R-Value Work: 0.175 
• R-Value Observed: 0.179 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 37.53	α = 90
b = 65.13	β = 96.33
c = 55.27	γ = 90

Software Package:

Software Name	Purpose
CrystalClear	data collection
AMoRE	phasing
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-03-24 
Deposition Author(s): Merlino, A., Russo Krauss, I., Perillo, M., Mattia, C.A., Ercole, C., Picone, D., Vergara, A., Sica, F.

Revision History  

• Version 1.0: 2009-03-24
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Non-polymer description, Structure summary
• Version 2.1: 2021-11-10
  Changes: Database references, Structure summary
• Version 2.2: 2023-11-01
  Changes: Data collection, Refinement description