6A4Y

Crystal structure of bovine lactoperoxidase with partial occupancies of iodide and SCN- ions at the substrate binding site on the distal heme side at 1.92 A resolution

PDB DOI: https://doi.org/10.2210/pdb6A4Y/pdb
Entry: 6A4Y supersedes: 5YD9

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

Deposited: 2018-06-21 Released: 2018-07-04
Deposition Author(s): Singh, P.K., Sirohi, H.V., kaur, P., Sharma, S., Singh, T.P.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.92 Å
R-Value Free: 0.279
R-Value Work: 0.222
R-Value Observed: 0.225

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 2.1 of the entry. See complete history.

Literature

Crystal structure of bovine lactoperoxidase with partial occupancies of iodide and SCN- ions at the substrate binding site on the distal heme side at 1.92 A resolution

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

To be published.

Macromolecule Content

Total Structure Weight: 70.9 kDa
Atom Count: 5,126
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
Glycosylation
Glycosylation Sites: 4	Glycosylation Focus chain A
Sequence Annotations Expand
Reference Sequence

Oligosaccharides

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Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	B	2		N-Glycosylation	Interactions Focus chain B Interactions & Density Focus chain B
Glycosylation Resources
GlyTouCan: G42666HT GlyCosmos: G42666HT GlyGen: G42666HT

Small Molecules

Ligands 6 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
HEM Query on HEM Download Ideal Coordinates CCD File SDF format, chain C [auth A] MOL2 format, chain C [auth A] mmCIF format, chain C [auth A]	C [auth A]	PROTOPORPHYRIN IX CONTAINING FE C₃₄ H₃₂ Fe N₄ O₄ KABFMIBPWCXCRK-RGGAHWMASA-L		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]
NAG Query on NAG Download Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain D [auth A] SDF format, chain E [auth A] MOL2 format, chain F [auth A] MOL2 format, chain D [auth A] MOL2 format, chain E [auth A] mmCIF format, chain F [auth A] mmCIF format, chain D [auth A] mmCIF format, chain E [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		Interactions Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Interactions & Density Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A]
IOD Query on IOD Download Ideal Coordinates CCD File SDF format, chain G [auth A] SDF format, chain H [auth A] SDF format, chain I [auth A] SDF format, chain J [auth A] SDF format, chain T [auth A] SDF format, chain U [auth A] MOL2 format, chain G [auth A] MOL2 format, chain H [auth A] MOL2 format, chain I [auth A] MOL2 format, chain J [auth A] MOL2 format, chain T [auth A] MOL2 format, chain U [auth A] mmCIF format, chain G [auth A] mmCIF format, chain H [auth A] mmCIF format, chain I [auth A] mmCIF format, chain J [auth A] mmCIF format, chain T [auth A] mmCIF format, chain U [auth A]	G [auth A] H [auth A] I [auth A] J [auth A] T [auth A] G [auth A], H [auth A], I [auth A], J [auth A], T [auth A], U [auth A]	IODIDE ION I XMBWDFGMSWQBCA-UHFFFAOYSA-M		Interactions Focus chain G [auth A] Focus chain H [auth A] Focus chain I [auth A] Focus chain J [auth A] Focus chain T [auth A] Focus chain U [auth A] Interactions & Density Focus chain G [auth A] Focus chain H [auth A] Focus chain I [auth A] Focus chain J [auth A] Focus chain T [auth A] Focus chain U [auth A]
OSM Query on OSM Download Ideal Coordinates CCD File SDF format, chain V [auth A] MOL2 format, chain V [auth A] mmCIF format, chain V [auth A]	V [auth A]	1-(OXIDOSULFANYL)METHANAMINE C H₅ N O S KONFWJXIYYGXOO-UHFFFAOYSA-N		Interactions Focus chain V [auth A] Interactions & Density Focus chain V [auth A]
SCN Query on SCN Download Ideal Coordinates CCD File SDF format, chain M [auth A] SDF format, chain R [auth A] SDF format, chain L [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 S [auth A] MOL2 format, chain M [auth A] MOL2 format, chain R [auth A] MOL2 format, chain L [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 S [auth A] mmCIF format, chain M [auth A] mmCIF format, chain R [auth A] mmCIF format, chain L [auth A] mmCIF format, chain N [auth A] mmCIF format, chain O [auth A] mmCIF format, chain P [auth A] mmCIF format, chain Q [auth A] mmCIF format, chain S [auth A]	L [auth A] M [auth A] N [auth A] O [auth A] P [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]	THIOCYANATE ION C N S ZMZDMBWJUHKJPS-UHFFFAOYSA-M		Interactions 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] Interactions & Density 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]
CA Query on CA Download Ideal Coordinates CCD File SDF format, chain K [auth A] MOL2 format, chain K [auth A] mmCIF format, chain K [auth A]	K [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N		Interactions Focus chain K [auth A] Interactions & Density Focus chain K [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: 1.92 Å
R-Value Free: 0.279
R-Value Work: 0.222
R-Value Observed: 0.225
Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 53.74	α = 90
b = 79.8	β = 91.43
c = 65.18	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
autoPROC	data scaling
MOLREP	phasing

Structure Validation

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Ligand Structure Quality Assessment

Entry History

Deposition Data

Released Date: 2018-07-04

Deposition Author(s):

This entry supersedes: 5YD9

Revision History (Full details and data files)

Version 1.0: 2018-07-04
Type: Initial release
Version 2.0: 2020-07-29
Type: Remediation
Reason: Carbohydrate remediation
Changes: Atomic model, Data collection, Derived calculations, Structure summary
Version 2.1: 2023-11-22
Changes: Data collection, Database references, Refinement description, Structure summary