6KMK

Crystal structure of hydrogen peroxide bound bovine lactoperoxidase at 2.3 A resolution

PDB DOI: https://doi.org/10.2210/pdb6KMK/pdb

Classification: OXIDOREDUCTASE
Organism(s): Bos taurus
Mutation(s): No

Deposited: 2019-07-31 Released: 2019-08-28
Deposition Author(s): Singh, P.K., Sirohi, H.V., Bhusan, A., Kaur, P., Sharma, S., Singh, T.P.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.30 Å
R-Value Free: 0.295
R-Value Work: 0.245

wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.2 of the entry. See complete history.

Literature

Crystal structure of hydrogen peroxide bound bovine lactoperoxidase at 2.3 A resolution

Singh, P.K., Sirohi, H.V., Bhushan, A., Kaur, P., Sharma, S., Singh, T.P.

To be published.

Macromolecule Content

Total Structure Weight: 71.37 kDa
Atom Count: 5,144
Modelled Residue Count: 595
Deposited Residue Count: 595
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Lactoperoxidase	A	595	Bos taurus	Mutation(s): 0 EC: 1.11.1.7
UniProt
Find proteins for P80025 (Bos taurus) Explore P80025 Go to UniProtKB: P80025
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P80025
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
HEM (Subject of Investigation/LOI) Query on HEM Download Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A]	B [auth A]	PROTOPORPHYRIN IX CONTAINING FE C₃₄ H₃₂ Fe N₄ O₄ KABFMIBPWCXCRK-RGGAHWMASA-L		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]
NAG (Subject of Investigation/LOI) Query on NAG Download Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain E [auth A] SDF format, chain F [auth A] SDF format, chain G [auth A] MOL2 format, chain D [auth A] MOL2 format, chain E [auth A] MOL2 format, chain F [auth A] MOL2 format, chain G [auth A]	D [auth A], E [auth A], F [auth A], G [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C₈ H₁₅ N O₆ OVRNDRQMDRJTHS-FMDGEEDCSA-N		Interactions Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A] Interactions & Density Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A]
IOD Query on IOD Download Ideal Coordinates CCD File SDF format, chain H [auth A] SDF format, chain I [auth A] SDF format, chain J [auth A] SDF format, chain K [auth A] SDF format, chain L [auth A] SDF format, chain M [auth A] SDF format, chain N [auth A] SDF format, chain O [auth A] SDF format, chain P [auth A] SDF format, chain Q [auth A] SDF format, chain R [auth A] SDF format, chain S [auth A] SDF format, chain T [auth A] SDF format, chain U [auth A] SDF format, chain V [auth A] MOL2 format, chain H [auth A] MOL2 format, chain I [auth A] MOL2 format, chain J [auth A] MOL2 format, chain K [auth A] MOL2 format, chain L [auth A] MOL2 format, chain M [auth A] MOL2 format, chain N [auth A] MOL2 format, chain O [auth A] MOL2 format, chain P [auth A] MOL2 format, chain Q [auth A] MOL2 format, chain R [auth A] MOL2 format, chain S [auth A] MOL2 format, chain T [auth A] MOL2 format, chain U [auth A] MOL2 format, chain V [auth A]	H [auth A] I [auth A] J [auth A] K [auth A] L [auth A] H [auth A], I [auth A], J [auth A], K [auth A], L [auth A], M [auth A], N [auth A], O [auth A], P [auth A], Q [auth A], R [auth A], S [auth A], T [auth A], U [auth A], V [auth A]	IODIDE ION I XMBWDFGMSWQBCA-UHFFFAOYSA-M		Interactions Focus chain H [auth A] Focus chain I [auth A] Focus chain J [auth A] Focus chain K [auth A] Focus chain L [auth A] Focus chain M [auth A] Focus chain N [auth A] Focus chain O [auth A] Focus chain P [auth A] Focus chain Q [auth A] Focus chain R [auth A] Focus chain S [auth A] Focus chain T [auth A] Focus chain U [auth A] Focus chain V [auth A] Interactions & Density Focus chain H [auth A] Focus chain I [auth A] Focus chain J [auth A] Focus chain K [auth A] Focus chain L [auth A] Focus chain M [auth A] Focus chain N [auth A] Focus chain O [auth A] Focus chain P [auth A] Focus chain Q [auth A] Focus chain R [auth A] Focus chain S [auth A] Focus chain T [auth A] Focus chain U [auth A] Focus chain V [auth A]
CA Query on CA Download Ideal Coordinates CCD File SDF format, chain C [auth A] MOL2 format, chain C [auth A]	C [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]
PEO Query on PEO Download Ideal Coordinates CCD File SDF format, chain W [auth A] SDF format, chain X [auth A] MOL2 format, chain W [auth A] MOL2 format, chain X [auth A]	W [auth A], X [auth A]	HYDROGEN PEROXIDE H₂ O₂ MHAJPDPJQMAIIY-UHFFFAOYSA-N		Interactions Focus chain W [auth A] Focus chain X [auth A] Interactions & Density Focus chain W [auth A] Focus chain X [auth A]

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

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.30 Å
R-Value Free: 0.295
R-Value Work: 0.245
Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 53.828	α = 90
b = 80.42	β = 102.577
c = 75.823	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
AUTOMAR	data reduction
Aimless	data scaling
MOLREP	phasing

Structure Validation

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Ligand Structure Quality Assessment

Entry History

Deposition Data

Released Date: 2019-08-28

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 2019-08-28
Type: Initial release
Version 1.1: 2020-07-29
Type: Remediation
Reason: Carbohydrate remediation
Changes: Data collection, Derived calculations, Structure summary
Version 1.2: 2023-11-22
Changes: Data collection, Database references, Refinement description, Structure summary