PHYRE Protein Fold Recognition Server

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Protein Homology/analogY Recognition Engine V 2.2

Fold library entry viewer: d2e74a1

Fold library id	Fold	Superfamily	Family
d2e74a1	Heme-binding four-helical bundle	Transmembrane di-heme cytochromes	Cytochrome b of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)

Links to external resources
Added to library: Tue Mar 16 13:09:45 2010

1 . . . . . . . . 10 . . . . . . . . . 20 . . . . . . . . . 30 . . . . . . . . . 40 . . . . . . . . . 50 . . . . . . . . . 60 . . . . . . . . . 70

Sequence E I Q A L A D D V T S K Y V P P H V N I F Y C L G G I T L T C F L I Q F A T G F A M T F Y Y K P T V T E A Y A S V Q Y I M N E V S F G W L I

Predicted secondary structure

SS confidence

Known secondary structure (DSSP)
T T
T T
G G G G T T
S T T T T S T T

. . . . . . . . . 80 . . . . . . . . . 90 . . . . . . . . . 100 . . . . . . . . . 110 . . . . . . . . . 120 . . . . . . . . . 130 . . . . . . . . . 140

Sequence R S I H R W S A S M M V L M M I L H V F R V Y L T G G F K K P R E L T W I S G V I L A V I T V S F G V T G Y S L P W D Q V G Y W A V K I V S

Predicted secondary structure

SS confidence

Known secondary structure (DSSP) T T T T T S G G G T T T T
T

. . . . . . . . . 150 . . . . . . . . . 160 . . . . . . . . . 170 . . . . . . . . . 180 . . . . . . . . . 190 . . . . . . . . . 200 . .

Sequence G V P E A I P V V G V L I S D L L R G G S S V G Q A T L T R Y Y S A H T F V L P W L I A V F M L L H F L M I R K Q G I S G P

Predicted secondary structure

SS confidence

Known secondary structure (DSSP) T G G G G S T T T T S S S
S T
S

Download: PDB structure FASTA sequence
Hidden Markov model

Image coloured by rainbow N → C terminus

Interactive 3D view in JSmol

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Accessibility Statement

Please cite: Phyre2.2: A Community Resource for Template-based Protein Structure Prediction

Powell HR et al. Journal of Molecular Biology (2025) in press DOI: https://doi.org/10.1016/j.jmb.2025.168960

© Structural Bioinformatics Group, Imperial College, London

Michael Sternberg

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	1	.	.	.	.	.	.	.	.	10	.	.	.	.	.	.	.	.	.	20	.	.	.	.	.	.	.	.	.	30	.	.	.	.	.	.	.	.	.	40	.	.	.	.	.	.	.	.	.	50	.	.	.	.	.	.	.	.	.	60	.	.	.	.	.	.	.	.	.	70
Sequence	E	I	Q	A	L	A	D	D	V	T	S	K	Y	V	P	P	H	V	N	I	F	Y	C	L	G	G	I	T	L	T	C	F	L	I	Q	F	A	T	G	F	A	M	T	F	Y	Y	K	P	T	V	T	E	A	Y	A	S	V	Q	Y	I	M	N	E	V	S	F	G	W	L	I
Predicted secondary structure
SS confidence
Known secondary structure (DSSP)										T	T					T	T			G	G	G	G																					T	T				S	T	T	T											T	S	T	T
	.	.	.	.	.	.	.	.	.	80	.	.	.	.	.	.	.	.	.	90	.	.	.	.	.	.	.	.	.	100	.	.	.	.	.	.	.	.	.	110	.	.	.	.	.	.	.	.	.	120	.	.	.	.	.	.	.	.	.	130	.	.	.	.	.	.	.	.	.	140
Sequence	R	S	I	H	R	W	S	A	S	M	M	V	L	M	M	I	L	H	V	F	R	V	Y	L	T	G	G	F	K	K	P	R	E	L	T	W	I	S	G	V	I	L	A	V	I	T	V	S	F	G	V	T	G	Y	S	L	P	W	D	Q	V	G	Y	W	A	V	K	I	V	S
Predicted secondary structure
SS confidence
Known secondary structure (DSSP)																								T	T	T	T	T	S	G	G	G																						T	T	T	T													T
	.	.	.	.	.	.	.	.	.	150	.	.	.	.	.	.	.	.	.	160	.	.	.	.	.	.	.	.	.	170	.	.	.	.	.	.	.	.	.	180	.	.	.	.	.	.	.	.	.	190	.	.	.	.	.	.	.	.	.	200	.	.
Sequence	G	V	P	E	A	I	P	V	V	G	V	L	I	S	D	L	L	R	G	G	S	S	V	G	Q	A	T	L	T	R	Y	Y	S	A	H	T	F	V	L	P	W	L	I	A	V	F	M	L	L	H	F	L	M	I	R	K	Q	G	I	S	G	P
Predicted secondary structure
SS confidence
Known secondary structure (DSSP)	T	G	G	G	G	S	T	T	T										T	S	S	S		S													T																						S