1fc9

PHOTOSYSTEM II D1 C-TERMINAL PROCESSING PROTEASE

Method: X-RAY DIFFRACTION

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

PHOTOSYSTEM II D1 PROTEASE

Scenedesmus obliquus

UniProt O04073

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name O04073_SCEOB
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–388; UniProt 78–464

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_id1fc9
Deposition date deposition_date2000-07-18
Structure title titlePHOTOSYSTEM II D1 C-TERMINAL PROCESSING PROTEASE
Keywords keywords;D1 C-terminal processing protease, serine protease, serine-lysine catalytic dyad, PDZ domain, photosystem II, photosynthesis, x-ray crystal structure, HYDROLASE ;; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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.

1fc9__assembly_1__model_1

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

Download this curve (.dat)

1fc9__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.

1fc9__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)23.74 Å
Rg (electron density)22.91 Å
Total Rg23.74 Å
Atom count2853
Residues386
Excluded volume50763 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1fc9__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (2)

6. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1fc9a3
Class classb — All beta proteins
Fold Fold foldb.36 — PDZ domain-like
Superfamily Superfamily superfamilyb.36.1 — PDZ domain-like
Family Family familyb.36.1.3 — Tail specific protease PDZ domain
Domain ID domain_idd1fc9a4
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.14 — ClpP/crotonase
Superfamily Superfamily superfamilyc.14.1 — ClpP/crotonase
Family Family familyc.14.1.2 — Tail specific protease, catalytic domain

CATH v4.4 (3 domains)

Domain ID domain_id1fc9A01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology750 — Transcription Regulator spoIIAA
Homologous superfamily homologous superfamily44
Domain ID domain_id1fc9A02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology42 — Pdz3 Domain
Homologous superfamily homologous superfamily10 — PDZ domain
Domain ID domain_id1fc9A03
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
Homologous superfamily homologous superfamily10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

7. Citations (1)