2b2i

Ammonium Transporter Amt-1 from A. fulgidus (MA)

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

ammonium transporter

Archaeoglobus fulgidus

UniProt O29285

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 3 water × 3 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name O29285_ARCFU
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–391; UniProt 1–391

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_id2b2i
Deposition date deposition_date2005-09-19
Structure title titleAmmonium Transporter Amt-1 from A. fulgidus (MA)
Keywords keywordsMEMBRANE PROTEIN, TRANSPORTER, Transport Protein; TRANSPORT 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.

2b2i__assembly_1__model_1

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

Download this curve (.dat)

2b2i__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2b2i__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)28.88 Å
Rg (electron density)27.92 Å
Total Rg28.88 Å
Atom count8685
Residues1173
Excluded volume158620 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2b2i__assembly_1__model_1 trimeric (3) 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 (2)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2b2ia_
Class classf — Membrane and cell surface proteins and peptides
Fold Fold foldf.44 — Ammonium transporter
Superfamily Superfamily superfamilyf.44.1 — Ammonium transporter
Family Family familyf.44.1.0 — automated matches

CATH v4.4 (1 domains)

Domain ID domain_id2b2iA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology3430 — Ammonium transporter fold
Homologous superfamily homologous superfamily10 — Ammonium transporter AmtB like domains
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7. Citations (1)