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2a00

The solution structure of the AMP-PNP bound nucleotide binding domain of KdpB

Method: SOLUTION NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Potassium-transporting ATPase B chain

Escherichia coli

UniProt P03960

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1svj 1u7q 2a00 2a29

4 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
5mrw 5mrw 5mrw 6hra 6hrb 7bgy 7bh1 7bh2 7lc3 7lc6 7zrd 7zre

25 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name ATKB_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 21–156； UniProt 316–451

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_id2a00
Deposition date deposition_date2005-06-15
Structure title titleThe solution structure of the AMP-PNP bound nucleotide binding domain of KdpB
Keywords keywordsALPHA-BETA SANDWICH, HYDROLASE; HYDROLASE
Experimental Method methodSOLUTION NMR
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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.

2a00__assembly_1__model_16

Assembly 1 · Model 16 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2a00__assembly_1__model_16 | I(q)

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

2a00__assembly_1__model_16 | 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）15.47 Å
Rg (electron density)14.00 Å
Total Rg15.19 Å
Atom count2142
Residues136
Excluded volume18766 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2a00__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2a00__assembly_1__model_2 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2a00__assembly_1__model_3 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2a00__assembly_1__model_4 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2a00__assembly_1__model_5 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2a00__assembly_1__model_6 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2a00__assembly_1__model_7 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2a00__assembly_1__model_8 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2a00__assembly_1__model_9 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2a00__assembly_1__model_10 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2a00__assembly_1__model_11 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2a00__assembly_1__model_12 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2a00__assembly_1__model_13 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2a00__assembly_1__model_14 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2a00__assembly_1__model_15 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 2a00__assembly_1__model_16 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 2a00__assembly_1__model_17 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 2a00__assembly_1__model_18 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 2a00__assembly_1__model_19 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 (2)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2a00a_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.220 — Metal cation-transporting ATPase, ATP-binding domain N
Superfamily Superfamily superfamilyd.220.1 — Metal cation-transporting ATPase, ATP-binding domain N
Family Family familyd.220.1.1 — Metal cation-transporting ATPase, ATP-binding domain N

CATH v4.4 (1 domains)

Domain ID domain_id2a00A00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology1110 — Calcium-transporting ATPase, cytoplasmic domain N
Homologous superfamily homologous superfamily10 — Calcium-transporting ATPase, cytoplasmic domain N
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7. Citations (1)