1m9s

Crystal structure of Internalin B (InlB), a Listeria monocytogenes virulence protein containing SH3-like domains.

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

Internalin B

Listeria monocytogenes

UniProt P25147

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 TERBIUM(III) ION × 7 SULFATE ION × 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name INLB_LISMO
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–597; UniProt 36–630

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_id1m9s
Deposition date deposition_date2002-07-29
Structure title titleCrystal structure of Internalin B (InlB), a Listeria monocytogenes virulence protein containing SH3-like domains.
Keywords keywordsinternalin, cell invasion, GW domains, SH3 domains, SIGNALING PROTEIN; SIGNALING PROTEIN
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.

1m9s__assembly_1__model_1

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

Download this curve (.dat)

1m9s__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1m9s__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)63.41 Å
Rg (electron density)65.32 Å
Total Rg65.09 Å
Atom count4182
Residues523
Excluded volume75118 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1m9s__assembly_1__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 (4)

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6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (5 domains)

Domain ID domain_idd1m9sa1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.18 — E set domains
Family Family familyb.1.18.15 — Internalin Ig-like domain
Domain ID domain_idd1m9sa2
Class classb — All beta proteins
Fold Fold foldb.34 — SH3-like barrel
Superfamily Superfamily superfamilyb.34.11 — Prokaryotic SH3-related domain
Family Family familyb.34.11.1 — GW domain
Domain ID domain_idd1m9sa3
Class classb — All beta proteins
Fold Fold foldb.34 — SH3-like barrel
Superfamily Superfamily superfamilyb.34.11 — Prokaryotic SH3-related domain
Family Family familyb.34.11.1 — GW domain
Domain ID domain_idd1m9sa4
Class classb — All beta proteins
Fold Fold foldb.34 — SH3-like barrel
Superfamily Superfamily superfamilyb.34.11 — Prokaryotic SH3-related domain
Family Family familyb.34.11.1 — GW domain
Domain ID domain_idd1m9sa5
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
Superfamily Superfamily superfamilyc.10.2 — L domain-like
Family Family familyc.10.2.1 — Internalin LRR domain

CATH v4.4 (5 domains)

Domain ID domain_id1m9sA01
Class class3 — Alpha Beta
Architecture architecture80 — Alpha-Beta Horseshoe
Topology topology10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
Homologous superfamily homologous superfamily10 — Ribonuclease Inhibitor
Domain ID domain_id1m9sA02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily1220 —
Domain ID domain_id1m9sA03
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily170 —
Domain ID domain_id1m9sA04
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily170 —
Domain ID domain_id1m9sA05
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily170 —
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7. Citations (1)