3b55

Crystal structure of the Q81BN2_BACCR protein from Bacillus cereus. NESG target BcR135

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

Succinoglycan biosynthesis protein

Bacillus cereus ATCC 14579

UniProt Q81BN2

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 CALCIUM ION × 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name Q81BN2_BACCR
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–443; UniProt 1–443

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_id3b55
Deposition date deposition_date2007-10-25
Structure title titleCrystal structure of the Q81BN2_BACCR protein from Bacillus cereus. NESG target BcR135
Keywords keywords;Q81BN2, NESG, BcR135, Structural Genomics, PSI-2, Protein Structure Initiative, Northeast Structural Genomics Consortium, BIOSYNTHETIC PROTEIN ;; BIOSYNTHETIC 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.

3b55__assembly_1__model_1

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

Download this curve (.dat)

3b55__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.

3b55__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)22.80 Å
Rg (electron density)22.00 Å
Total Rg22.80 Å
Atom count3264
Residues400
Excluded volume58527 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3b55__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 (3)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd3b55a_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.150 — EreA/ChaN-like
Superfamily Superfamily superfamilyc.150.1 — EreA/ChaN-like
Family Family familyc.150.1.3 — EreA-like

CATH v4.4 (3 domains)

Domain ID domain_id3b55A01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology1660 — EreA/ChaN-like fold
Homologous superfamily homologous superfamily10 — EreA-like (biosynthetic domain)
Domain ID domain_id3b55A02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1870 — EreA/ChaN-like, small alpha-beta sandwich
Homologous superfamily homologous superfamily10 — EreA-like; domain 2
Domain ID domain_id3b55A03
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1440 — de novo design (two linked rop proteins)
Homologous superfamily homologous superfamily30 — Biosynthetic Protein domain
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7. Citations (1)