7Z6Q
Cryo-EM structure of the whole photosynthetic complex from the green sulfur bacteria
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, K (A, a) | Photosystem P840 reaction center, large subunit | polymer | 731 | 81784.6 | 2 | UniProt (Q8KAY0) Pfam (PF00223) | Chlorobaculum tepidum TLS | |
| 2 | B (B) | Photosystem P840 reaction center iron-sulfur protein | polymer | 231 | 23540.3 | 1 | UniProt (Q8KAY1) Pfam (PF12838) | Chlorobaculum tepidum TLS | |
| 3 | C, L (C, c) | Cytochrome c | polymer | 206 | 22741.8 | 2 | UniProt (O07091) Pfam (PF10643) | Chlorobaculum tepidum TLS | Cytochrome c-z,Cyt c-z,Photosystem P840 reaction center cytochrome c-551 |
| 4 | D (D) | P840 reaction center 17 kDa protein | polymer | 143 | 16633.2 | 1 | UniProt (Q8KEP5) Pfam (PF10657) | Chlorobaculum tepidum TLS | |
| 5 | E, F, G, H, I... (E, F, G, H, I...) | Bacteriochlorophyll a protein | polymer | 366 | 40343.4 | 6 | UniProt (Q46393) Pfam (PF02327) | Chlorobaculum tepidum TLS | BCP,BChl a protein,Fenna-Matthews-Olson protein,FMO protein |
| 6 | FC, M (a, A) | Bacteriochlorophyll A isomer | non-polymer | 911.5 | 2 | Chemie (GS0) | |||
| 7 | GC, HC, N, O (a, A) | CHLOROPHYLL A | non-polymer | 893.5 | 4 | Chemie (CLA) | |||
| 8 | AA, AB, AC, BB, BC... (A, F, J, G, H...) | BACTERIOCHLOROPHYLL A | non-polymer | 911.5 | 72 | Chemie (BCL) | |||
| 9 | BA, UC (A, a) | [(2R,3S,4S,5R,6R)-6-[(10E,12E,14E)-2,6,10,14,19,23-hexamethyl-25-(2,3,6-trimethylphenyl)pentacosa-6,8,10,12,14,16,18,20,22,24-decaen-2-yl]oxy-3,4,5-tris(oxidanyl)oxan-2-yl]methyl dodecanoate | non-polymer | 895.3 | 2 | Chemie (F39) | |||
| 10 | CA, DA, VC, WC (A, a) | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE | non-polymer | 723.0 | 4 | Chemie (LHG) | |||
| 11 | EA, XC (A, a) | [(2~{R})-2-hexadecanoyloxy-3-[(2~{S},3~{S},4~{R},5~{R},6~{S})-6-(hydroxymethyl)-3,4,5-tris(oxidanyl)oxan-2-yl]oxy-propyl] hexadecanoate | non-polymer | 731.1 | 2 | Chemie (IKV) | |||
| 12 | FA, YC (A, a) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 13 | GA, HA, IA (A, B) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 3 | Chemie (SF4) | |||
| 14 | AD, BD, CD, DD, ED... (E, F, H, I, J...) | water | water | 18.0 | 10 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 12 |
| Total formula weight | 491286.9 | |
| Non-Polymers* | Number of molecules | 91 |
| Total formula weight | 78304.9 | |
| All* | Total formula weight | 569591.8 |






