1BB4 | pdb_00001bb4

HUMAN LYSOZYME DOUBLE MUTANT A96L, W109H

• PDB DOI: https://doi.org/10.2210/pdb1BB4/pdb

• Classification: HYDROLASE
• Organism(s): Homo sapiens
• Expression System: Komagataella pastoris
• Mutation(s): Yes 


• Deposited: 1998-04-28 Released: 1998-08-12 
• Deposition Author(s): Headley, A.G., Roe, S.M., Pearl, L.H.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.23 Å
• R-Value Free: 
  0.290 (Depositor), 0.270 (DCC) 
• R-Value Work: 
  0.249 (Depositor), 0.230 (DCC) 
• R-Value Observed: 
  0.249 (Depositor) 

Starting Model: experimental

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 29.43 kDa 
• Atom Count: 2,299 
• Modeled Residue Count: 260 
• Deposited Residue Count: 260 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
LYSOZYME	A, B	130	Homo sapiens	Mutation(s): 2  EC: 3.2.1.17
UniProt & NIH Common Fund Data Resources
Find proteins for P61626 (Homo sapiens) Explore P61626  Go to UniProtKB:  P61626
PHAROS:  P61626 GTEx:  ENSG00000090382

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.23 Å
• R-Value Free:  0.290 (Depositor), 0.270 (DCC) 
• R-Value Work:  0.249 (Depositor), 0.230 (DCC) 
• R-Value Observed: 0.249 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.05	α = 90
b = 64.29	β = 90
c = 111.38	γ = 90

Software Package:

Software Name	Purpose
MOSFLM	data reduction
CCP4	data reduction
AMoRE	phasing
X-PLOR	refinement
CCP4	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 1998-08-12 
Deposition Author(s): Headley, A.G., Roe, S.M., Pearl, L.H.

Revision History  

• Version 1.0: 1998-08-12
  Type: Initial release
  
• Version 1.1: 2008-03-24
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2021-11-03
  Changes: Database references
• Version 1.4: 2023-08-02
  Changes: Refinement description