PHYRE Protein Fold Recognition Server

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Protein Homology/analogY Recognition Engine V 2.2

Fold library entry viewer: c4qtnB_

Fold library id	PDB Header	Molecule	Title
c4qtnB_	PDB header: transport protein	Chain: B: PDB Molecule: nicotinamide riboside transporter pnuc;	PDBTitle: crystal structure of the vitamin b3 transporter pnuc

Links to external resources
Added to library: Sat Oct 11 08:32:05 2014

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

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

Predicted secondary structure

SS confidence

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

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

Sequence V S L Y A Y V S Y T F K L Y G E X X L N L L V Y V P V Q F V G F A X W R K H X A L G E T A E T E E V K A K A L T V R Q W L L V V A A S V V G

Predicted secondary structure

SS confidence

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

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

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

Predicted secondary structure

SS confidence

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

. . . . . . . . . 220 . . . . . . . . . 230 . . . . .

Sequence L X Y V X Y L C N S V Y G Y I N W T K L V K R H S

Predicted secondary structure

SS confidence

Known secondary structure (DSSP)

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