4QJQ

Crystal structure of goat lactoperoxidase in complex with octopamine at 2.1 Angstrom resolution

• PDB DOI: https://doi.org/10.2210/pdb4QJQ/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Capra hircus
• Mutation(s): No 


• Deposited: 2014-06-04 Released: 2014-06-18 
• Deposition Author(s): Singh, R.P., Kushwaha, G.S., Singh, A.K., Sinha, M., Kaur, P., Sharma, S., Singh, T.P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.278 
• R-Value Work: 0.204 
• R-Value Observed: 0.208 

Literature

Crystal structure of goat lactoperoxidase in complex with octopamine at 2.1 Angstrom resolution

Singh, R.P., Kushwaha, G.S., Singh, A.K., Sinha, M., Kaur, P., Sharma, S., Singh, T.P.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 71.35 kDa 
• Atom Count: 5,216 
• Modelled Residue Count: 595 
• Deposited Residue Count: 595 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Lactoperoxidase	A	595	Capra hircus	Mutation(s): 0  EC: 1.11.1.7
UniProt
Find proteins for A0A452E9Y6 (Capra hircus) Explore A0A452E9Y6  Go to UniProtKB:  A0A452E9Y6
Glycosylation
Glycosylation Sites: 4

Small Molecules

Ligands 8 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEM	B [auth A]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L
NAG	C [auth A], D [auth A], E [auth A], F [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
OTR	O [auth A]	4-(2R-AMINO-1-HYDROXYETHYL)PHENOL C8 H11 N O2 QHGUCRYDKWKLMG-QMMMGPOBSA-N
IOD	H [auth A], I [auth A], J [auth A], K [auth A], L [auth A], M [auth A], R [auth A], S [auth A], T [auth A], U [auth A], V [auth A], W [auth A], X [auth A]	IODIDE ION I XMBWDFGMSWQBCA-UHFFFAOYSA-M
PEG	P [auth A], Q [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N
EDO	Y [auth A], Z [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
SCN	N [auth A]	THIOCYANATE ION C N S ZMZDMBWJUHKJPS-UHFFFAOYSA-M
CA	G [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
SEP	A	L-PEPTIDE LINKING	C3 H8 N O6 P		SER

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.278 
• R-Value Work: 0.204 
• R-Value Observed: 0.208 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 53.947	α = 90
b = 80.356	β = 102.81
c = 75.391	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-06-18 
Deposition Author(s): Singh, R.P., Kushwaha, G.S., Singh, A.K., Sinha, M., Kaur, P., Sharma, S., Singh, T.P.

Revision History  

• Version 1.0: 2014-06-18
  Type: Initial release
  
• Version 1.1: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Structure summary
• Version 1.2: 2024-11-06
  Changes: Data collection, Database references, Structure summary