1GGP | pdb_00001ggp

CRYSTAL STRUCTURE OF TRICHOSANTHES KIRILOWII LECTIN-1 AND ITS RELATION TO THE TYPE 2 RIBOSOME INACTIVATING PROTEINS

• PDB DOI: https://doi.org/10.2210/pdb1GGP/pdb

• Classification: SUGAR BINDING PROTEIN
• Organism(s): Trichosanthes kirilowii
• Mutation(s): No 


• Deposited: 2000-09-07 Released: 2003-03-18 
• Deposition Author(s): Li, M., Chai, J.J., Wang, Y.P., Wang, K.Y., Bi, R.C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 
  0.300 (Depositor), 0.290 (DCC) 
• R-Value Work: 
  0.225 (Depositor), 0.220 (DCC) 
• R-Value Observed: 
  0.225 (Depositor) 

Starting Model: experimental

Literature

Crystal Structure of Trichosanthes Kirilowii Lectin-1 and its Relation to the Type 2 Ribosome Inactivating Proteins

Li, M., Chai, J.J., Wang, Y.P., Wang, K.Y., Bi, R.C.

(2003) Protein Pept Lett 8: 81-87

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: 51.03 kDa 
• Atom Count: 3,587 
• Modeled Residue Count: 488 
• Deposited Residue Count: 488 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PROTEIN (LECTIN 1 A CHAIN)	A	234	Trichosanthes kirilowii	Mutation(s): 0  EC: 3.2.2.22
UniProt
Find proteins for Q7SIF0 (Trichosanthes kirilowii) Explore Q7SIF0  Go to UniProtKB:  Q7SIF0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
PROTEIN (LECTIN 1 B CHAIN)	B	254	Trichosanthes kirilowii	Mutation(s): 0
UniProt
Find proteins for Q7SIF1 (Trichosanthes kirilowii) Explore Q7SIF1  Go to UniProtKB:  Q7SIF1

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free:  0.300 (Depositor), 0.290 (DCC) 
• R-Value Work:  0.225 (Depositor), 0.220 (DCC) 
• R-Value Observed: 0.225 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 44.96	α = 90
b = 69.87	β = 90
c = 180.96	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
X-PLOR	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-03-18 
Deposition Author(s): Li, M., Chai, J.J., Wang, Y.P., Wang, K.Y., Bi, R.C.

Revision History  

• Version 1.0: 2003-03-18
  Type: Initial release
  
• Version 1.1: 2008-04-26
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-08-09
  Changes: Data collection, Database references, Refinement description
• Version 1.4: 2024-11-13
  Changes: Structure summary