7EHX

X-ray crystal strcture of F46C/L49C sperm whale myoglobin with an intramolecular disulfide bond

PDB DOI: https://doi.org/10.2210/pdb7EHX/pdb

Classification: OXYGEN STORAGE
Organism(s): Physeter macrocephalus
Expression System: Escherichia coli
Mutation(s): Yes

Deposited: 2021-03-30 Released: 2022-04-06
Deposition Author(s): Lin, Y.W.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.80 Å
R-Value Free:
0.227 (Depositor), 0.230 (DCC)
R-Value Work:
0.195 (Depositor), 0.190 (DCC)
R-Value Observed:
0.197 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

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

Literature

X-ray crystal strcture of F46C/L49C sperm whale myoglobin with an intramolecular disulfide bond

Lin, Y.W.

To be published.

Macromolecule Content

Total Structure Weight: 17.93 kDa
Atom Count: 1,489
Modelled Residue Count: 153
Deposited Residue Count: 154
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Myoglobin	A	154	Physeter macrocephalus	Mutation(s): 2 Gene Names: MB EC: 1.11.1 (UniProt), 1.7 (UniProt)
UniProt
Find proteins for P02185 (Physeter macrocephalus) Explore P02185 Go to UniProtKB: P02185
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P02185
Sequence Annotations Expand
Reference Sequence LOADING

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
HEM Query on HEM Download Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF 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]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.80 Å
R-Value Free: 0.227 (Depositor), 0.230 (DCC)
R-Value Work: 0.195 (Depositor), 0.190 (DCC)
R-Value Observed: 0.197 (Depositor)

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 39.956	α = 90
b = 49.62	β = 90
c = 76.802	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing

Structure Validation

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Ligand Structure Quality Assessment

Entry History

Deposition Data

Released Date: 2022-04-06

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 2022-04-06
Type: Initial release
Version 1.1: 2023-11-29
Changes: Data collection, Refinement description
Version 1.2: 2024-10-30
Changes: Structure summary

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.