9klm

Cryo-EM structure of the monomeric Rhodobacter sphaeroides G1C LH1-RC core complex

Method: ELECTRON MICROSCOPY

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

Reaction center protein L chain

OrganismNot specified

UniProt P0C0Y8

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 33 Reaction center protein M chain × 1 (P0C0Y9) Reaction center protein H chain × 1 (P0C0Y7) Light-harvesting protein B-875 alpha chain × 14 (P0C0X9) Antenna pigment protein beta chain × 14 (Q7B300) protein-U × 1 (A0AAN4RAQ9) Intrinsic membrane protein PufX × 1 (Q7B2Z6) BACTERIOCHLOROPHYLL A × 32 BACTERIOPHEOPHYTIN A × 2 UBIQUINONE-10 × 3 (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 13 LAURYL DIMETHYLAMINE-N-OXIDE × 10 DODECYL-BETA-D-MALTOSIDE × 25 FE (III) ION × 1 CARDIOLIPIN × 4 ;(6~{E},8~{E},10~{E},12~{E},14~{E},16~{E},18~{E},20~{E},22~{E},26~{E})-2,6,10,14,19,23,27,31-octamethyldotriaconta-2,6,8,10,12,14,16,18,20,22,26,30-dodecaene ; × 27 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RCEL_CERSP
Isoform
PDB entities 1
Chains and sequence ranges Author chain L; PDBConstruct 1–282; UniProt 1–282

Reaction center protein M chain

OrganismNot specified

UniProt P0C0Y9

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 33 Reaction center protein L chain × 1 (P0C0Y8) Reaction center protein H chain × 1 (P0C0Y7) Light-harvesting protein B-875 alpha chain × 14 (P0C0X9) Antenna pigment protein beta chain × 14 (Q7B300) protein-U × 1 (A0AAN4RAQ9) Intrinsic membrane protein PufX × 1 (Q7B2Z6) BACTERIOCHLOROPHYLL A × 32 BACTERIOPHEOPHYTIN A × 2 UBIQUINONE-10 × 3 (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 13 LAURYL DIMETHYLAMINE-N-OXIDE × 10 DODECYL-BETA-D-MALTOSIDE × 25 FE (III) ION × 1 CARDIOLIPIN × 4 ;(6~{E},8~{E},10~{E},12~{E},14~{E},16~{E},18~{E},20~{E},22~{E},26~{E})-2,6,10,14,19,23,27,31-octamethyldotriaconta-2,6,8,10,12,14,16,18,20,22,26,30-dodecaene ; × 27 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RCEM_CERSP
Isoform
PDB entities 2
Chains and sequence ranges Author chain M; PDBConstruct 1–308; UniProt 1–308

Reaction center protein H chain

OrganismNot specified

UniProt P0C0Y7

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 33 Reaction center protein L chain × 1 (P0C0Y8) Reaction center protein M chain × 1 (P0C0Y9) Light-harvesting protein B-875 alpha chain × 14 (P0C0X9) Antenna pigment protein beta chain × 14 (Q7B300) protein-U × 1 (A0AAN4RAQ9) Intrinsic membrane protein PufX × 1 (Q7B2Z6) BACTERIOCHLOROPHYLL A × 32 BACTERIOPHEOPHYTIN A × 2 UBIQUINONE-10 × 3 (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 13 LAURYL DIMETHYLAMINE-N-OXIDE × 10 DODECYL-BETA-D-MALTOSIDE × 25 FE (III) ION × 1 CARDIOLIPIN × 4 ;(6~{E},8~{E},10~{E},12~{E},14~{E},16~{E},18~{E},20~{E},22~{E},26~{E})-2,6,10,14,19,23,27,31-octamethyldotriaconta-2,6,8,10,12,14,16,18,20,22,26,30-dodecaene ; × 27 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RCEH_CERSP
Isoform
PDB entities 3
Chains and sequence ranges Author chain H; PDBConstruct 1–260; UniProt 1–260

Light-harvesting protein B-875 alpha chain

OrganismNot specified

UniProt P0C0X9

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 33 Reaction center protein L chain × 1 (P0C0Y8) Reaction center protein M chain × 1 (P0C0Y9) Reaction center protein H chain × 1 (P0C0Y7) Antenna pigment protein beta chain × 14 (Q7B300) protein-U × 1 (A0AAN4RAQ9) Intrinsic membrane protein PufX × 1 (Q7B2Z6) BACTERIOCHLOROPHYLL A × 32 BACTERIOPHEOPHYTIN A × 2 UBIQUINONE-10 × 3 (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 13 LAURYL DIMETHYLAMINE-N-OXIDE × 10 DODECYL-BETA-D-MALTOSIDE × 25 FE (III) ION × 1 CARDIOLIPIN × 4 ;(6~{E},8~{E},10~{E},12~{E},14~{E},16~{E},18~{E},20~{E},22~{E},26~{E})-2,6,10,14,19,23,27,31-octamethyldotriaconta-2,6,8,10,12,14,16,18,20,22,26,30-dodecaene ; × 27 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name LHA1_CERSP
Isoform
PDB entities 4
Chains and sequence ranges Author chain A; PDBConstruct 1–54; UniProt 1–54 Author chain B; PDBConstruct 1–54; UniProt 1–54 Author chain C; PDBConstruct 1–54; UniProt 1–54 Author chain D; PDBConstruct 1–54; UniProt 1–54 Author chain E; PDBConstruct 1–54; UniProt 1–54 Author chain F; PDBConstruct 1–54; UniProt 1–54 Author chain G; PDBConstruct 1–54; UniProt 1–54 Author chain I; PDBConstruct 1–54; UniProt 1–54 Author chain J; PDBConstruct 1–54; UniProt 1–54 Author chain K; PDBConstruct 1–54; UniProt 1–54 Author chain N; PDBConstruct 1–54; UniProt 1–54 Author chain O; PDBConstruct 1–54; UniProt 1–54 Author chain P; PDBConstruct 1–54; UniProt 1–54 Author chain Q; PDBConstruct 1–54; UniProt 1–54

Antenna pigment protein beta chain

OrganismNot specified

UniProt Q7B300

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 33 Reaction center protein L chain × 1 (P0C0Y8) Reaction center protein M chain × 1 (P0C0Y9) Reaction center protein H chain × 1 (P0C0Y7) Light-harvesting protein B-875 alpha chain × 14 (P0C0X9) protein-U × 1 (A0AAN4RAQ9) Intrinsic membrane protein PufX × 1 (Q7B2Z6) BACTERIOCHLOROPHYLL A × 32 BACTERIOPHEOPHYTIN A × 2 UBIQUINONE-10 × 3 (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 13 LAURYL DIMETHYLAMINE-N-OXIDE × 10 DODECYL-BETA-D-MALTOSIDE × 25 FE (III) ION × 1 CARDIOLIPIN × 4 ;(6~{E},8~{E},10~{E},12~{E},14~{E},16~{E},18~{E},20~{E},22~{E},26~{E})-2,6,10,14,19,23,27,31-octamethyldotriaconta-2,6,8,10,12,14,16,18,20,22,26,30-dodecaene ; × 27 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name Q7B300_CERSP
Isoform
PDB entities 5
Chains and sequence ranges Author chain a; PDBConstruct 1–49; UniProt 1–49 Author chain b; PDBConstruct 1–49; UniProt 1–49 Author chain c; PDBConstruct 1–49; UniProt 1–49 Author chain d; PDBConstruct 1–49; UniProt 1–49 Author chain e; PDBConstruct 1–49; UniProt 1–49 Author chain f; PDBConstruct 1–49; UniProt 1–49 Author chain g; PDBConstruct 1–49; UniProt 1–49 Author chain i; PDBConstruct 1–49; UniProt 1–49 Author chain j; PDBConstruct 1–49; UniProt 1–49 Author chain k; PDBConstruct 1–49; UniProt 1–49 Author chain n; PDBConstruct 1–49; UniProt 1–49 Author chain o; PDBConstruct 1–49; UniProt 1–49 Author chain p; PDBConstruct 1–49; UniProt 1–49 Author chain q; PDBConstruct 1–49; UniProt 1–49

protein-U

OrganismNot specified

UniProt A0AAN4RAQ9

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 33 Reaction center protein L chain × 1 (P0C0Y8) Reaction center protein M chain × 1 (P0C0Y9) Reaction center protein H chain × 1 (P0C0Y7) Light-harvesting protein B-875 alpha chain × 14 (P0C0X9) Antenna pigment protein beta chain × 14 (Q7B300) Intrinsic membrane protein PufX × 1 (Q7B2Z6) BACTERIOCHLOROPHYLL A × 32 BACTERIOPHEOPHYTIN A × 2 UBIQUINONE-10 × 3 (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 13 LAURYL DIMETHYLAMINE-N-OXIDE × 10 DODECYL-BETA-D-MALTOSIDE × 25 FE (III) ION × 1 CARDIOLIPIN × 4 ;(6~{E},8~{E},10~{E},12~{E},14~{E},16~{E},18~{E},20~{E},22~{E},26~{E})-2,6,10,14,19,23,27,31-octamethyldotriaconta-2,6,8,10,12,14,16,18,20,22,26,30-dodecaene ; × 27 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name A0AAN4RAQ9_CERSP
Isoform
PDB entities 6
Chains and sequence ranges Author chain U; PDBConstruct 1–53; UniProt 1–53

Intrinsic membrane protein PufX

OrganismNot specified

UniProt Q7B2Z6

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 33 Reaction center protein L chain × 1 (P0C0Y8) Reaction center protein M chain × 1 (P0C0Y9) Reaction center protein H chain × 1 (P0C0Y7) Light-harvesting protein B-875 alpha chain × 14 (P0C0X9) Antenna pigment protein beta chain × 14 (Q7B300) protein-U × 1 (A0AAN4RAQ9) BACTERIOCHLOROPHYLL A × 32 BACTERIOPHEOPHYTIN A × 2 UBIQUINONE-10 × 3 (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE × 13 LAURYL DIMETHYLAMINE-N-OXIDE × 10 DODECYL-BETA-D-MALTOSIDE × 25 FE (III) ION × 1 CARDIOLIPIN × 4 ;(6~{E},8~{E},10~{E},12~{E},14~{E},16~{E},18~{E},20~{E},22~{E},26~{E})-2,6,10,14,19,23,27,31-octamethyldotriaconta-2,6,8,10,12,14,16,18,20,22,26,30-dodecaene ; × 27 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name Q7B2Z6_CERSP
Isoform
PDB entities 7
Chains and sequence ranges Author chain X; PDBConstruct 1–82; UniProt 1–82

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_id9klm
Deposition date deposition_date2024-11-14
Structure title titleCryo-EM structure of the monomeric Rhodobacter sphaeroides G1C LH1-RC core complex
Keywords keywordsLH1-RC, Rhodobacter sphaeroides G1C, neurosporene, photosynthesis; PHOTOSYNTHESIS
Experimental Method methodELECTRON MICROSCOPY

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.

9klm__assembly_1__model_1

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

Download this curve (.dat)

9klm__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.

9klm__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)44.16 Å
Rg (electron density)43.29 Å
Total Rg43.35 Å
Atom count23520
Residues2267
Excluded volume436860 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 9klm__assembly_1__model_1 33-meric (33) Success 4.1.3-1-20251215 (887e7ef) View Download

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (16)

7. Citations (1)