PHYRE Protein Fold Recognition Server

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Protein Homology/analogY Recognition Engine V 2.2

Fold library entry viewer: c3ketA_

Fold library id	PDB Header	Molecule	Title
c3ketA_	PDB header: transcription/dna	Chain: A: PDB Molecule: redox-sensing transcriptional repressor rex;	PDBTitle: crystal structure of a rex-family transcriptional regulatory protein2 from streptococcus agalactiae bound to a palindromic operator

Links to external resources
Added to library: Sat Nov 20 08:54:30 2010

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

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

Predicted secondary structure

SS confidence

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

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

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

Predicted secondary structure

SS confidence

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

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

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

Predicted secondary structure

SS confidence

Known secondary structure (DSSP) S S
S
G G G T T
S S S
T 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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Phyre2 is part of Genome3D

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