1gxi

PsaE Subunit of the Photosystem I of the Cyanobacterium Synechocystis sp. PCC 6803

Method: SOLUTION NMR

1. Protein Identity and Related Structures Protein Identity & Related Structures

PHOTOSYSTEM I REACTION CENTER SUBUNIT IV

OrganismNot specified

UniProt P12975

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name PSAE_SYNY3
Isoform
PDB entities 1
Chains and sequence ranges Author chain E; PDBConstruct 1–73; UniProt 1–73

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.

2. Structure Basics 2. Structure Basics

Entry ID entry_id1gxi
Deposition date deposition_date2002-04-05
Structure title titlePsaE Subunit of the Photosystem I of the Cyanobacterium Synechocystis sp. PCC 6803
Keywords keywordsPHOTOSYNTHESIS, PHOTOSYSTEM I, PSAE SUB-UNIT, THYLAKOID; PHOTOSYNTHESIS
Experimental Method methodSOLUTION NMR

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.

1gxi__assembly_1__model_5

Assembly 1 · Model 5 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1gxi__assembly_1__model_5 | I(q)

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

1gxi__assembly_1__model_5 | 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)13.71 Å
Rg (electron density)12.56 Å
Total Rg13.82 Å
Atom count1122
Residues73
Excluded volume9960 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1gxi__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 1gxi__assembly_1__model_2 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 1gxi__assembly_1__model_3 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 1gxi__assembly_1__model_4 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 1gxi__assembly_1__model_5 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 1gxi__assembly_1__model_6 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 1gxi__assembly_1__model_7 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 1gxi__assembly_1__model_8 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 1gxi__assembly_1__model_9 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 1gxi__assembly_1__model_10 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 1gxi__assembly_1__model_11 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 1gxi__assembly_1__model_12 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 1gxi__assembly_1__model_13 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 1gxi__assembly_1__model_14 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (1)

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1gxie_
Class classb — All beta proteins
Fold Fold foldb.34 — SH3-like barrel
Superfamily Superfamily superfamilyb.34.4 — Electron transport accessory proteins
Family Family familyb.34.4.2 — Photosystem I accessory protein E (PsaE)

CATH v4.4 (1 domains)

Domain ID domain_id1gxiE00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily50

7. Citations (3)