PHYRE Protein Fold Recognition Server

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Protein Homology/analogY Recognition Engine V 2.2

Fold library entry viewer: d3cx5c2

Fold library id	Fold	Superfamily	Family
d3cx5c2	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 11:54:52 2010

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

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

Predicted secondary structure

SS confidence

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

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

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

Predicted secondary structure

SS confidence

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

. . . . . . . . . 150 . . . . . . . . . 160 . . . . . . . . . 170 . . . . . . . . . 180 . . . . . . . . . 190 . . . . . . . . . 200 . . . . . . . . . 210

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

Predicted secondary structure

SS confidence

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

. . . . . . . . . 220 . . . . . . . . . 230 . . . . . . . . . 240 . . . . . . . . . 250 . . . . . . . . . 260 .

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

Predicted secondary structure

SS confidence

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

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	M	A	F	R	K	S	N	V	Y	L	S	L	V	N	S	Y	I	I	D	S	P	Q	P	S	S	I	N	Y	W	W	N	M	G	S	L	L	G	L	C	L	V	I	Q	I	V	T	G	I	F	M	A	M	H	Y	S	S	N	I	E	L	A	F	S	S	V	E	H	I	M	R
Predicted secondary structure
SS confidence
Known secondary structure (DSSP)							S	T	T									T	S					T	T			G	G	G	G																					T	T				S	T	T	T
	.	.	.	.	.	.	.	.	.	80	.	.	.	.	.	.	.	.	.	90	.	.	.	.	.	.	.	.	.	100	.	.	.	.	.	.	.	.	.	110	.	.	.	.	.	.	.	.	.	120	.	.	.	.	.	.	.	.	.	130	.	.	.	.	.	.	.	.	.	140
Sequence	D	V	H	N	G	Y	I	L	R	Y	L	H	A	N	G	A	S	F	F	F	M	V	M	F	M	H	M	A	K	G	L	Y	Y	G	S	Y	R	S	P	R	V	T	L	W	N	V	G	V	I	I	F	I	L	T	I	A	T	A	F	L	G	Y	C	C	V	Y	G	Q	M	S
Predicted secondary structure
SS confidence
Known secondary structure (DSSP)	T	S	T	T																														T	T	T	S	T	T																												B
	.	.	.	.	.	.	.	.	.	150	.	.	.	.	.	.	.	.	.	160	.	.	.	.	.	.	.	.	.	170	.	.	.	.	.	.	.	.	.	180	.	.	.	.	.	.	.	.	.	190	.	.	.	.	.	.	.	.	.	200	.	.	.	.	.	.	.	.	.	210
Sequence	H	W	G	A	T	V	I	T	N	L	F	S	A	I	P	F	V	G	N	D	I	V	S	W	L	W	G	G	F	S	V	S	N	P	T	I	Q	R	F	F	A	L	H	Y	L	V	P	F	I	I	A	A	M	V	I	M	H	L	M	A	L	H	I	H	G	S	S	N	P	L
Predicted secondary structure
SS confidence
Known secondary structure (DSSP)										G	G	G	G	S	T	T	T										T	S	S	S	S																																						T	T
	.	.	.	.	.	.	.	.	.	220	.	.	.	.	.	.	.	.	.	230	.	.	.	.	.	.	.	.	.	240	.	.	.	.	.	.	.	.	.	250	.	.	.	.	.	.	.	.	.	260	.
Sequence	G	I	T	G	N	L	D	R	I	P	M	H	S	Y	F	I	F	K	D	L	V	T	V	F	L	F	M	L	I	L	A	L	F	V	F	Y	S	P	N	T	L	G	H	P	D	N	Y	I	P	G	N
Predicted secondary structure
SS confidence
Known secondary structure (DSSP)		S			T	T	S				T	T	T																									T	T	T	T	S		G	G	G	G	S	B