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1ycb

DISTAL POCKET POLARITY IN LIGAND BINDING TO MYOGLOBIN: DEOXY AND CARBONMONOXY FORMS OF A THREONINE68 (E11) MUTANT INVESTIGATED BY X-RAY CRYSTALLOGRAPHY AND INFRARED SPECTROSCOPY

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

MYOGLOBIN

Sus scrofa

UniProt P02189

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 PROTOPORPHYRIN IX CONTAINING FE × 1 water × 1 Consistent with protein count
2 Protein monomer Monomer Protein 1 PROTOPORPHYRIN IX CONTAINING FE × 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1m6c 1m6c 1m6m 1m6m 1mdn 1mdn 1mnh 1mni 1mni 1mnj 1mnj 1mnk

33 assemblies; showing the first 12

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name MYG_PIG
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–153； UniProt 1–153 Author chain B； PDBConstruct 1–153； UniProt 1–153

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id1ycb
Deposition date deposition_date1993-08-10
Structure title titleDISTAL POCKET POLARITY IN LIGAND BINDING TO MYOGLOBIN: DEOXY AND CARBONMONOXY FORMS OF A THREONINE68 (E11) MUTANT INVESTIGATED BY X-RAY CRYSTALLOGRAPHY AND INFRARED SPECTROSCOPY
Keywords keywordsOXYGEN STORAGE; OXYGEN STORAGE
Experimental Method methodX-RAY DIFFRACTION
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

1ycb__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1ycb__assembly_1__model_1 | I(q)

10-2 10-1 105 106 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1ycb__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）16.47 Å
Rg (electron density)15.04 Å
Total Rg16.17 Å
Atom count1240
Residues153
Excluded volume22169 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1ycb__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 1ycb__assembly_2__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (3)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1ycba_
Class classa — All alpha proteins
Fold Fold folda.1 — Globin-like
Superfamily Superfamily superfamilya.1.1 — Globin-like
Family Family familya.1.1.2 — Globins
Domain ID domain_idd1ycbb_
Class classa — All alpha proteins
Fold Fold folda.1 — Globin-like
Superfamily Superfamily superfamilya.1.1 — Globin-like
Family Family familya.1.1.2 — Globins

CATH v4.4 (2 domains)

Domain ID domain_id1ycbA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id1ycbB00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
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7. Citations (5)