Domain ID e1q90B1

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  • A: alpha bundles
  • X: Transmembrane heme-binding four-helical bundle
  • H: Transmembrane heme-binding four-helical bundle
  • T: Transmembrane di-heme cytochromes
  • F: Cytochrome_B
UID: 000004235
Type: Manual and representative domain
Range: B:4-215
Ligands: BCR HEM LFA LMG TDS
PDB: 1q90
PDB Description: Cytochrome b6
UniProt: Q00471
Hsap BLAST neighbor: P00156
Species: Chlamydomonas reinhardtii

Structure of domain e1q90B1

Domains in the same chain:

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e1q90B1 B:4-215 Transmembrane heme-binding four-helical bundle Transmembrane heme-binding four-helical bundle Transmembrane di-heme cytochromes

Domains in the same PDB:

e1q90A1 A:1-168,A:233-247 Immunoglobulin-like beta-sandwich Immunoglobulin-related Common fold of diphtheria toxin/transcription factors/cytochrome f
e1q90A3 A:169-232 alpha/beta-Hammerhead/Barrel-sandwich hybrid alpha/beta-Hammerhead/Barrel-sandwich hybrid Single hybrid motif
e1q90A2 A:248-292 Cytochrome f subunit of the cytochrome b6f complex, transmembrane anchor Cytochrome f subunit of the cytochrome b6f complex, transmembrane anchor Cytochrome f subunit of the cytochrome b6f complex, transmembrane anchor
e1q90B1 B:4-215 Transmembrane heme-binding four-helical bundle Transmembrane heme-binding four-helical bundle Transmembrane di-heme cytochromes
e1q90C1 C:80-131,C:173-206 ISP domain ISP domain ISP domain
e1q90C2 C:132-172 Trm112p-like Trm112p-like Trm112p-like
e1q90D1 D:4-159 a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)
e1q90G1 G:1-30 PetG subunit of the cytochrome b6f complex PetG subunit of the cytochrome b6f complex PetG subunit of the cytochrome b6f complex
e1q90L1 L:1-32 PetL subunit of the cytochrome b6f complex PetL subunit of the cytochrome b6f complex PetL subunit of the cytochrome b6f complex
e1q90M1 M:62-95 PetM subunit of the cytochrome b6f complex PetM subunit of the cytochrome b6f complex PetM subunit of the cytochrome b6f complex
e1q90N1 N:68-98 PetN subunit of the cytochrome b6f complex PetN subunit of the cytochrome b6f complex PetN subunit of the cytochrome b6f complex
e1q90R1 R:33-71 iron-sulfur subunit (ISP) transmembrane anchor iron-sulfur subunit (ISP) transmembrane anchor iron-sulfur subunit (ISP) transmembrane anchor

Structural contacts of domain e1q90B1 of H-group "Transmembrane heme-binding four-helical bundle":

The domain and its neighboring domains (both within the asymmetric unit and to crystallographic symmetry mates) are represented by spheres and linked by lines. Distances between the center of the domain and interfaces are shown for each contact.

Domain IDSymmetry operatorH-groupVisualization
e1q90D1 B:X,Y,Z->D:x,y,z a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) Interaction Interface Pymol
e1q90B1 B:x,y,z->B:-X+1,-Y+2,Z Transmembrane heme-binding four-helical bundle Interaction Interface Pymol
e1q90B1 B:-X+1,-Y+2,Z->B:x,y,z Transmembrane heme-binding four-helical bundle Interaction Interface Pymol
e1q90G1 B:X,Y,Z->G:x,y,z PetG subunit of the cytochrome b6f complex Interaction Interface Pymol
e1q90C2 B:X,Y,Z->C:x,y,z Trm112p-like Interaction Interface Pymol
e1q90A2 B:x,y,z->A:X,Y,Z Cytochrome f subunit of the cytochrome b6f complex, transmembrane anchor Interaction Interface Pymol
e1q90A1 B:x,y,z->A:X,Y,Z Immunoglobulin-related Interaction Interface Pymol
e1q90A2 B:x,y,z->A:-X+1,Y,-Z+1 Cytochrome f subunit of the cytochrome b6f complex, transmembrane anchor Interaction Interface Pymol
e1q90D1 B:-X+1,-Y+2,Z->D:x,y,z a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) Interaction Interface Pymol
e1q90D1 B:-X+1,Y,-Z+1->D:x,y,z a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) Interaction Interface Pymol