2P1S

Crystal structure of the C-terminal lobe of bovine lactoferrin complexed with O-alpha-D-Glucopyranosyl-(1 3)-alpha-D-fructofuranosyl- (2 1)- alpha-D-glucopyranoside at 1.93 A resolution

• PDB DOI: https://doi.org/10.2210/pdb2P1S/pdb

• Classification: METAL BINDING PROTEIN
• Organism(s): Bos taurus
• Mutation(s): No 


• Deposited: 2007-03-06 Released: 2007-04-17 
• Deposition Author(s): Mir, R., Singh, N., Sinha, M., Sharma, S., Kaur, P., Singh, T.P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.93 Å
• R-Value Free: 0.217 
• R-Value Work: 0.170 
• R-Value Observed: 0.174 

Starting Model: experimental

Literature

Crystal structure of the C-terminal lobe of bovine lactoferrin complexed with O-alpha-D-Glucopyranosyl-(1 3)-alpha-D-fructofuranosyl-(2 1)-alpha-D-glucopyranoside at 1.93 A resolution

Mir, R., Singh, N., Sinha, M., Sharma, S., Kaur, P., Singh, T.P.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 39.91 kDa 
• Atom Count: 3,067 
• Modelled Residue Count: 340 
• Deposited Residue Count: 344 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Lactotransferrin	A	344	Bos taurus	Mutation(s): 0  EC: 3.4.21
UniProt
Find proteins for P24627 (Bos taurus) Explore P24627  Go to UniProtKB:  P24627
Glycosylation
Glycosylation Sites: 3

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	B	3		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G15407YE GlyCosmos:  G15407YE GlyGen:  G15407YE

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-mannopyranose-(1-4)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	C	4		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G08918EL GlyCosmos:  G08918EL GlyGen:  G08918EL

Entity ID: 4
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-galactopyranose-(1-2)-alpha-D-fructofuranose-(1-3)-alpha-D-glucopyranose	D	3		N/A
Glycosylation Resources
GlyTouCan:  G70950BD GlyCosmos:  G70950BD

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	E [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
SO4	J [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
ZN	H [auth A], I [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
CO3	G [auth A]	CARBONATE ION C O3 BVKZGUZCCUSVTD-UHFFFAOYSA-L
FE	F [auth A]	FE (III) ION Fe VTLYFUHAOXGGBS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.93 Å
• R-Value Free: 0.217 
• R-Value Work: 0.170 
• R-Value Observed: 0.174 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 63.155	α = 90
b = 50.425	β = 107.7
c = 65.883	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MAR345	data collection
AUTOMAR	data reduction
SCALEPACK	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-04-17 
Deposition Author(s): Mir, R., Singh, N., Sinha, M., Sharma, S., Kaur, P., Singh, T.P.

Revision History  

• Version 1.0: 2007-04-17
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description
• 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: 2023-10-25
  Changes: Data collection, Database references, Refinement description, Structure summary
• Version 2.2: 2024-10-09
  Changes: Structure summary