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2fac

Crystal structure of E. coli hexanoyl-ACP

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

Acyl carrier protein

Escherichia coli

UniProt P0A6A8

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 ZINC ION × 7 S-(2-{[N-(2-HYDROXY-4-{[HYDROXY(OXIDO)PHOSPHINO]OXY}-3,3-DIMETHYLBUTANOYL)-BETA-ALANYL]AMINO}ETHYL) HEXANETHIOATE × 1 water × 1 Consistent with protein count
2 Protein monomer Monomer Protein 1 ZINC ION × 4 S-(2-{[N-(2-HYDROXY-4-{[HYDROXY(OXIDO)PHOSPHINO]OXY}-3,3-DIMETHYLBUTANOYL)-BETA-ALANYL]AMINO}ETHYL) HEXANETHIOATE × 1 water × 1 Consistent with protein count
3 Protein homooligomer Homooligomer Protein 4 ZINC ION × 22 S-(2-{[N-(2-HYDROXY-4-{[HYDROXY(OXIDO)PHOSPHINO]OXY}-3,3-DIMETHYLBUTANOYL)-BETA-ALANYL]AMINO}ETHYL) HEXANETHIOATE × 4 water × 4 Consistent with protein count
4 Protein homooligomer Homooligomer Protein 4 ZINC ION × 22 S-(2-{[N-(2-HYDROXY-4-{[HYDROXY(OXIDO)PHOSPHINO]OXY}-3,3-DIMETHYLBUTANOYL)-BETA-ALANYL]AMINO}ETHYL) HEXANETHIOATE × 4 water × 4 Consistent with protein count
5 Protein homooligomer Homooligomer Protein 4 ZINC ION × 22 S-(2-{[N-(2-HYDROXY-4-{[HYDROXY(OXIDO)PHOSPHINO]OXY}-3,3-DIMETHYLBUTANOYL)-BETA-ALANYL]AMINO}ETHYL) HEXANETHIOATE × 4 water × 4 Consistent with protein count
6 Protein homooligomer Homooligomer Protein 2 ZINC ION × 11 S-(2-{[N-(2-HYDROXY-4-{[HYDROXY(OXIDO)PHOSPHINO]OXY}-3,3-DIMETHYLBUTANOYL)-BETA-ALANYL]AMINO}ETHYL) HEXANETHIOATE × 2 water × 2 Consistent with protein count
7 Protein homooligomer Homooligomer Protein 2 ZINC ION × 11 S-(2-{[N-(2-HYDROXY-4-{[HYDROXY(OXIDO)PHOSPHINO]OXY}-3,3-DIMETHYLBUTANOYL)-BETA-ALANYL]AMINO}ETHYL) HEXANETHIOATE × 2 water × 2 Consistent with protein count
8 Protein homooligomer Homooligomer Protein 2 ZINC ION × 11 S-(2-{[N-(2-HYDROXY-4-{[HYDROXY(OXIDO)PHOSPHINO]OXY}-3,3-DIMETHYLBUTANOYL)-BETA-ALANYL]AMINO}ETHYL) HEXANETHIOATE × 2 water × 2 Consistent with protein count
9 Protein homooligomer Homooligomer Protein 2 ZINC ION × 14 S-(2-{[N-(2-HYDROXY-4-{[HYDROXY(OXIDO)PHOSPHINO]OXY}-3,3-DIMETHYLBUTANOYL)-BETA-ALANYL]AMINO}ETHYL) HEXANETHIOATE × 2 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1acp 1l0h 1l0i 1t8k 2fac 2fac 2fad 2fad 2fae 2fae 2k92 2k93

13 assemblies; showing the first 12

Homodimer
2fac 2fac 2fac 2fac 2fae 2fae 2fae 2fae

8 assemblies

Homotetramer
2fac 2fac 2fac 2fad 2fae 2fae 2fae 2fae 2fae

9 assemblies

Other homooligomers

None

Heteromeric or nucleic-acid complex
2fhs 3ejb 3ejb 3ejb 3ejb 3ejd 3ejd 3ejd 3ejd 3eje 3eje 3eje

40 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name ACP_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–77； UniProt 1–77 Author chain B； PDBConstruct 1–77； UniProt 1–77

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_id2fac
Deposition date deposition_date2005-12-07
Structure title titleCrystal structure of E. coli hexanoyl-ACP
Keywords keywordsacyl carrier protein, acyl chain binding, fatty acid biosynthesis, 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.

2fac__assembly_1__model_1

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

Download this curve (.dat)

2fac__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.

2fac__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）13.43 Å
Rg (electron density)11.70 Å
Total Rg13.33 Å
Atom count632
Residues77
Excluded volume11277 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2fac__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 2fac__assembly_2__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 2fac__assembly_3__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
4 1 2fac__assembly_4__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
5 1 2fac__assembly_5__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
6 1 2fac__assembly_6__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
7 1 2fac__assembly_7__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
8 1 2fac__assembly_8__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
9 1 2fac__assembly_9__model_1 dimeric （2） 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) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2faca_
Class classa — All alpha proteins
Fold Fold folda.28 — Acyl carrier protein-like
Superfamily Superfamily superfamilya.28.1 — ACP-like
Family Family familya.28.1.1 — Acyl-carrier protein (ACP)
Domain ID domain_idd2facb_
Class classa — All alpha proteins
Fold Fold folda.28 — Acyl carrier protein-like
Superfamily Superfamily superfamilya.28.1 — ACP-like
Family Family familya.28.1.1 — Acyl-carrier protein (ACP)

CATH v4.4 (2 domains)

Domain ID domain_id2facA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1200 — Non-ribosomal Peptide Synthetase Peptidyl Carrier Protein; Chain A
Homologous superfamily homologous superfamily10 — ACP-like
Domain ID domain_id2facB00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1200 — Non-ribosomal Peptide Synthetase Peptidyl Carrier Protein; Chain A
Homologous superfamily homologous superfamily10 — ACP-like
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7. Citations (1)