IID

Q8NGQ5_Q8NH42.1 contacts (residues)

Receptor	R: Secondary Structure	R: Residue	R; Chain	R: Residue number	Ligand	L: Secondary Structure	L: Residue	L: Chain	L: Residue Number
R	H	PHE	A	102	L	H	ILE	V	72
R	H	PHE	A	102	L	H	PHE	V	76
R	H	LEU	A	103	L	H	ILE	V	72
R	H	PHE	A	106	L	H	SER	V	75
R	H	PHE	A	106	L	H	PRO	V	79
R	S	GLU	A	11	L	H	LEU	V	146
R	H	GLN	A	139	L	H	LEU	V	86
R	H	LEU	A	142	L	H	PHE	V	28
R	H	SER	A	143	L	H	LEU	V	86
R	H	ALA	A	146	L	H	PHE	V	28
R	H	ALA	A	146	L	H	ILE	V	82
R	H	ALA	A	146	L	H	VAL	V	83
R	H	ALA	A	146	L	H	LEU	V	86
R	H	GLY	A	147	L	H	VAL	V	83
R	H	GLY	A	147	L	-	ARG	V	87
R	H	TYR	A	149	L	H	PHE	V	35
R	H	TYR	A	149	L	H	PRO	V	79
R	H	VAL	A	150	L	H	PRO	V	79
R	H	VAL	A	150	L	H	LYS	V	80
R	H	VAL	A	150	L	H	VAL	V	83
R	H	LEU	A	153	L	H	SER	V	75
R	H	LEU	A	153	L	H	PHE	V	76
R	H	LEU	A	153	L	H	PRO	V	79
R	H	LEU	A	153	L	H	LYS	V	80
R	H	ILE	A	154	L	H	LYS	V	80
R	H	LEU	A	157	L	H	PHE	V	103
R	H	LEU	A	157	L	H	PHE	V	76
R	H	LEU	A	157	L	H	GLY	V	96
R	H	LEU	A	157	L	H	SER	V	99
R	H	THR	A	160	L	H	PHE	V	103
R	H	VAL	A	161	L	H	PHE	V	103
R	H	VAL	A	161	L	H	TRP	V	95
R	H	VAL	A	161	L	H	SER	V	99
R	H	LEU	A	32	L	H	PHE	V	51
R	H	TYR	A	35	L	H	VAL	V	47
R	H	TYR	A	35	L	H	PHE	V	51
R	H	LEU	A	36	L	H	PHE	V	51
R	H	PHE	A	68	L	H	VAL	V	39
R	H	PHE	A	68	L	H	LEU	V	40
R	H	VAL	A	71	L	H	LEU	V	43
R	H	CYS	A	72	L	H	VAL	V	39
R	H	CYS	A	72	L	H	LEU	V	43
R	H	SER	A	75	L	H	LEU	V	43
R	H	SER	A	75	L	H	LEU	V	46
R	S	SER	A	93	L	H	LEU	V	146
R	S	SER	A	93	L	H	TYR	V	149
R	H	TYR	A	94	L	H	PHE	V	153
R	H	THR	A	95	L	H	LEU	V	106
R	H	THR	A	95	L	H	TYR	V	149
R	H	THR	A	95	L	H	PHE	V	153
R	H	ALA	A	98	L	H	PHE	V	103
R	H	ALA	A	99	L	H	ILE	V	72

- Title of columns started by 'R:' means Receptor, 'L:' means Ligand
- In the Secondary Structure columns: 'H' means that residues in that row are part of Alpha Helix; 'S' - Beta Sheet

Q8NGQ5_Q8NH42.1 contacts (residues & atoms)

Receptor	R: Secondary Structure	R: Atom	R: Residue	R; Chain	R: Residue number	Ligand	L: Secondary Structure	L; Atom	L: Residue	L: Chain	L: Residue Number
R	S	CD	GLU	A	11	L	H	HD12	LEU	V	146
R	S	CD	GLU	A	11	L	H	HD13	LEU	V	146
R	S	OE1	GLU	A	11	L	H	CD1	LEU	V	146
R	S	OE1	GLU	A	11	L	H	HD11	LEU	V	146
R	S	OE1	GLU	A	11	L	H	HD12	LEU	V	146
R	S	OE1	GLU	A	11	L	H	HD13	LEU	V	146
R	S	OE1	GLU	A	11	L	H	HD22	LEU	V	146
R	H	CG	LEU	A	32	L	H	HE1	PHE	V	51
R	H	CD1	LEU	A	32	L	H	CE1	PHE	V	51
R	H	CD1	LEU	A	32	L	H	HE1	PHE	V	51
R	H	CG	TYR	A	35	L	H	HZ	PHE	V	51
R	H	CD1	TYR	A	35	L	H	CE1	PHE	V	51
R	H	CD1	TYR	A	35	L	H	CE2	PHE	V	51
R	H	CD1	TYR	A	35	L	H	CZ	PHE	V	51
R	H	CD1	TYR	A	35	L	H	HE1	PHE	V	51
R	H	CD1	TYR	A	35	L	H	HE2	PHE	V	51
R	H	CD1	TYR	A	35	L	H	HZ	PHE	V	51
R	H	CE1	TYR	A	35	L	H	CE1	PHE	V	51
R	H	CE1	TYR	A	35	L	H	CE2	PHE	V	51
R	H	CE1	TYR	A	35	L	H	CZ	PHE	V	51
R	H	CE1	TYR	A	35	L	H	HE1	PHE	V	51
R	H	CE1	TYR	A	35	L	H	HE2	PHE	V	51
R	H	CE1	TYR	A	35	L	H	HZ	PHE	V	51
R	H	OH	TYR	A	35	L	H	HG23	VAL	V	47
R	H	OH	TYR	A	35	L	H	CE2	PHE	V	51
R	H	OH	TYR	A	35	L	H	HE2	PHE	V	51
R	H	OH	TYR	A	35	L	H	HZ	PHE	V	51
R	H	CZ	TYR	A	35	L	H	CE2	PHE	V	51
R	H	CZ	TYR	A	35	L	H	CZ	PHE	V	51
R	H	CZ	TYR	A	35	L	H	HE2	PHE	V	51
R	H	CZ	TYR	A	35	L	H	HZ	PHE	V	51
R	H	CG	LEU	A	36	L	H	HE1	PHE	V	51
R	H	CD2	LEU	A	36	L	H	CD1	PHE	V	51
R	H	CD2	LEU	A	36	L	H	CE1	PHE	V	51
R	H	CD2	LEU	A	36	L	H	CZ	PHE	V	51
R	H	CD2	LEU	A	36	L	H	HE1	PHE	V	51
R	H	CD2	LEU	A	36	L	H	HZ	PHE	V	51
R	H	CD2	PHE	A	68	L	H	HD21	LEU	V	40
R	H	CD2	PHE	A	68	L	H	HD23	LEU	V	40
R	H	CE1	PHE	A	68	L	H	HG13	VAL	V	39
R	H	CE2	PHE	A	68	L	H	CG1	VAL	V	39
R	H	CE2	PHE	A	68	L	H	HG11	VAL	V	39
R	H	CE2	PHE	A	68	L	H	HG13	VAL	V	39
R	H	CE2	PHE	A	68	L	H	CD2	LEU	V	40
R	H	CE2	PHE	A	68	L	H	HD21	LEU	V	40
R	H	CE2	PHE	A	68	L	H	HD23	LEU	V	40
R	H	CZ	PHE	A	68	L	H	CB	VAL	V	39
R	H	CZ	PHE	A	68	L	H	CG1	VAL	V	39
R	H	CZ	PHE	A	68	L	H	HB	VAL	V	39
R	H	CZ	PHE	A	68	L	H	HG11	VAL	V	39
R	H	CZ	PHE	A	68	L	H	HG12	VAL	V	39
R	H	CZ	PHE	A	68	L	H	HG13	VAL	V	39
R	H	CG1	VAL	A	71	L	H	CD2	LEU	V	43
R	H	CG1	VAL	A	71	L	H	HD22	LEU	V	43
R	H	SG	CYS	A	72	L	H	HG13	VAL	V	39
R	H	SG	CYS	A	72	L	H	HD23	LEU	V	43
R	H	CB	SER	A	75	L	H	HD12	LEU	V	43
R	H	CB	SER	A	75	L	H	HD13	LEU	V	43
R	H	O	SER	A	75	L	H	HD23	LEU	V	46
R	H	OG	SER	A	75	L	H	CD1	LEU	V	43
R	H	OG	SER	A	75	L	H	HD12	LEU	V	43
R	S	N	SER	A	93	L	H	HD22	LEU	V	146
R	S	N	SER	A	93	L	H	HD23	LEU	V	146
R	S	CA	SER	A	93	L	H	CD2	LEU	V	146
R	S	CA	SER	A	93	L	H	HD21	LEU	V	146
R	S	CA	SER	A	93	L	H	HD22	LEU	V	146
R	S	CA	SER	A	93	L	H	HD23	LEU	V	146
R	S	CB	SER	A	93	L	H	CD2	LEU	V	146
R	S	CB	SER	A	93	L	H	HD21	LEU	V	146
R	S	CB	SER	A	93	L	H	HD22	LEU	V	146
R	S	CB	SER	A	93	L	H	HD23	LEU	V	146
R	S	OG	SER	A	93	L	H	CD2	LEU	V	146
R	S	OG	SER	A	93	L	H	HD21	LEU	V	146
R	S	OG	SER	A	93	L	H	HD22	LEU	V	146
R	S	OG	SER	A	93	L	H	HD23	LEU	V	146
R	S	OG	SER	A	93	L	H	HD2	TYR	V	149
R	H	CE1	TYR	A	94	L	H	HE2	PHE	V	153
R	H	CB	THR	A	95	L	H	HD12	LEU	V	106
R	H	CB	THR	A	95	L	H	HD22	LEU	V	106
R	H	CB	THR	A	95	L	H	CB	TYR	V	149
R	H	CB	THR	A	95	L	H	CG	TYR	V	149
R	H	CB	THR	A	95	L	H	CD1	TYR	V	149
R	H	CB	THR	A	95	L	H	HB3	TYR	V	149
R	H	CB	THR	A	95	L	H	HD1	TYR	V	149
R	H	CG2	THR	A	95	L	H	CD1	LEU	V	106
R	H	CG2	THR	A	95	L	H	HD12	LEU	V	106
R	H	CG2	THR	A	95	L	H	HD22	LEU	V	106
R	H	CG2	THR	A	95	L	H	CB	TYR	V	149
R	H	CG2	THR	A	95	L	H	HB3	TYR	V	149
R	H	CG2	THR	A	95	L	H	HD1	TYR	V	149
R	H	CG2	THR	A	95	L	H	HB2	PHE	V	153
R	H	CG2	THR	A	95	L	H	HD2	PHE	V	153
R	H	OG1	THR	A	95	L	H	CB	TYR	V	149
R	H	OG1	THR	A	95	L	H	CG	TYR	V	149
R	H	OG1	THR	A	95	L	H	CD1	TYR	V	149
R	H	OG1	THR	A	95	L	H	CD2	TYR	V	149
R	H	OG1	THR	A	95	L	H	HB2	TYR	V	149
R	H	OG1	THR	A	95	L	H	HB3	TYR	V	149
R	H	OG1	THR	A	95	L	H	HD1	TYR	V	149
R	H	CB	ALA	A	98	L	H	HE1	PHE	V	103
R	H	CA	ALA	A	99	L	H	HD12	ILE	V	72
R	H	CB	ALA	A	99	L	H	CD1	ILE	V	72
R	H	CB	ALA	A	99	L	H	HD11	ILE	V	72
R	H	CB	ALA	A	99	L	H	HD12	ILE	V	72
R	H	CG	PHE	A	102	L	H	HZ	PHE	V	76
R	H	CD1	PHE	A	102	L	H	HG21	ILE	V	72
R	H	CD1	PHE	A	102	L	H	CZ	PHE	V	76
R	H	CD1	PHE	A	102	L	H	HZ	PHE	V	76
R	H	CD2	PHE	A	102	L	H	CE1	PHE	V	76
R	H	CD2	PHE	A	102	L	H	CZ	PHE	V	76
R	H	CD2	PHE	A	102	L	H	HE1	PHE	V	76
R	H	CD2	PHE	A	102	L	H	HZ	PHE	V	76
R	H	CE1	PHE	A	102	L	H	HG21	ILE	V	72
R	H	CE1	PHE	A	102	L	H	CZ	PHE	V	76
R	H	CE1	PHE	A	102	L	H	HZ	PHE	V	76
R	H	CE2	PHE	A	102	L	H	CE1	PHE	V	76
R	H	CE2	PHE	A	102	L	H	CZ	PHE	V	76
R	H	CE2	PHE	A	102	L	H	HE1	PHE	V	76
R	H	CE2	PHE	A	102	L	H	HZ	PHE	V	76
R	H	CZ	PHE	A	102	L	H	CD1	PHE	V	76
R	H	CZ	PHE	A	102	L	H	CE1	PHE	V	76
R	H	CZ	PHE	A	102	L	H	CZ	PHE	V	76
R	H	CZ	PHE	A	102	L	H	HE1	PHE	V	76
R	H	CZ	PHE	A	102	L	H	HZ	PHE	V	76
R	H	CG	LEU	A	103	L	H	CG1	ILE	V	72
R	H	CG	LEU	A	103	L	H	HG12	ILE	V	72
R	H	CG	LEU	A	103	L	H	HG21	ILE	V	72
R	H	CG	LEU	A	103	L	H	HD11	ILE	V	72
R	H	CD1	LEU	A	103	L	H	CG1	ILE	V	72
R	H	CD1	LEU	A	103	L	H	CD1	ILE	V	72
R	H	CD1	LEU	A	103	L	H	HG12	ILE	V	72
R	H	CD1	LEU	A	103	L	H	HG13	ILE	V	72
R	H	CD1	LEU	A	103	L	H	HD11	ILE	V	72
R	H	CD1	LEU	A	103	L	H	HD12	ILE	V	72
R	H	CD2	LEU	A	103	L	H	CG1	ILE	V	72
R	H	CD2	LEU	A	103	L	H	HA	ILE	V	72
R	H	CD2	LEU	A	103	L	H	HG12	ILE	V	72
R	H	CD2	LEU	A	103	L	H	HG13	ILE	V	72
R	H	CD2	LEU	A	103	L	H	HG21	ILE	V	72
R	H	CE1	PHE	A	106	L	H	HB3	SER	V	75
R	H	CZ	PHE	A	106	L	H	HG2	PRO	V	79
R	H	CD	GLN	A	139	L	H	HD23	LEU	V	86
R	H	NE2	GLN	A	139	L	H	CD2	LEU	V	86
R	H	NE2	GLN	A	139	L	H	HD13	LEU	V	86
R	H	NE2	GLN	A	139	L	H	HD22	LEU	V	86
R	H	NE2	GLN	A	139	L	H	HD23	LEU	V	86
R	H	CA	LEU	A	142	L	H	HZ	PHE	V	28
R	H	C	LEU	A	142	L	H	HZ	PHE	V	28
R	H	CB	LEU	A	142	L	H	CZ	PHE	V	28
R	H	CB	LEU	A	142	L	H	HE1	PHE	V	28
R	H	CB	LEU	A	142	L	H	HZ	PHE	V	28
R	H	O	LEU	A	142	L	H	HZ	PHE	V	28
R	H	CG	LEU	A	142	L	H	HE1	PHE	V	28
R	H	CG	LEU	A	142	L	H	HZ	PHE	V	28
R	H	CD1	LEU	A	142	L	H	CE1	PHE	V	28
R	H	CD1	LEU	A	142	L	H	HE1	PHE	V	28
R	H	CD2	LEU	A	142	L	H	HE1	PHE	V	28
R	H	CD2	LEU	A	142	L	H	HZ	PHE	V	28
R	H	N	SER	A	143	L	H	HD13	LEU	V	86
R	H	CA	SER	A	143	L	H	CD1	LEU	V	86
R	H	CA	SER	A	143	L	H	HD11	LEU	V	86
R	H	CA	SER	A	143	L	H	HD12	LEU	V	86
R	H	CA	SER	A	143	L	H	HD13	LEU	V	86
R	H	CB	SER	A	143	L	H	HD13	LEU	V	86
R	H	OG	SER	A	143	L	H	CD1	LEU	V	86
R	H	OG	SER	A	143	L	H	HB3	LEU	V	86
R	H	OG	SER	A	143	L	H	HD11	LEU	V	86
R	H	OG	SER	A	143	L	H	HD12	LEU	V	86
R	H	OG	SER	A	143	L	H	HD13	LEU	V	86
R	H	OG	SER	A	143	L	H	HD23	LEU	V	86
R	H	CA	ALA	A	146	L	H	CG2	VAL	V	83
R	H	CA	ALA	A	146	L	H	HG21	VAL	V	83
R	H	CA	ALA	A	146	L	H	HG22	VAL	V	83
R	H	CA	ALA	A	146	L	H	HG23	VAL	V	83
R	H	C	ALA	A	146	L	H	CG2	VAL	V	83
R	H	C	ALA	A	146	L	H	HG13	VAL	V	83
R	H	C	ALA	A	146	L	H	HG21	VAL	V	83
R	H	C	ALA	A	146	L	H	HG22	VAL	V	83
R	H	C	ALA	A	146	L	H	HG23	VAL	V	83
R	H	CB	ALA	A	146	L	H	HE2	PHE	V	28
R	H	CB	ALA	A	146	L	H	HG21	ILE	V	82
R	H	CB	ALA	A	146	L	H	CG2	VAL	V	83
R	H	CB	ALA	A	146	L	H	HA	VAL	V	83
R	H	CB	ALA	A	146	L	H	HG21	VAL	V	83
R	H	CB	ALA	A	146	L	H	HG23	VAL	V	83
R	H	CB	ALA	A	146	L	H	HD12	LEU	V	86
R	H	O	ALA	A	146	L	H	CB	VAL	V	83
R	H	O	ALA	A	146	L	H	CG2	VAL	V	83
R	H	O	ALA	A	146	L	H	HG12	VAL	V	83
R	H	O	ALA	A	146	L	H	HG13	VAL	V	83
R	H	O	ALA	A	146	L	H	HG21	VAL	V	83
R	H	O	ALA	A	146	L	H	HG22	VAL	V	83
R	H	O	ALA	A	146	L	H	HG23	VAL	V	83
R	H	N	GLY	A	147	L	H	HG13	VAL	V	83
R	H	N	GLY	A	147	L	H	HG22	VAL	V	83
R	H	N	GLY	A	147	L	H	HG23	VAL	V	83
R	H	CA	GLY	A	147	L	-	HH21	ARG	V	87
R	H	CB	TYR	A	149	L	H	HB3	PRO	V	79
R	H	CD1	TYR	A	149	L	H	HE1	PHE	V	35
R	H	CD1	TYR	A	149	L	H	HB3	PRO	V	79
R	H	CE1	TYR	A	149	L	H	HE1	PHE	V	35
R	H	N	VAL	A	150	L	H	HG22	VAL	V	83
R	H	CA	VAL	A	150	L	H	HG22	VAL	V	83
R	H	CB	VAL	A	150	L	H	CB	VAL	V	83
R	H	CB	VAL	A	150	L	H	CG1	VAL	V	83
R	H	CB	VAL	A	150	L	H	CG2	VAL	V	83
R	H	CB	VAL	A	150	L	H	HB	VAL	V	83
R	H	CB	VAL	A	150	L	H	HG12	VAL	V	83
R	H	CB	VAL	A	150	L	H	HG21	VAL	V	83
R	H	CB	VAL	A	150	L	H	HG22	VAL	V	83
R	H	CG1	VAL	A	150	L	H	CD	LYS	V	80
R	H	CG1	VAL	A	150	L	H	HD2	LYS	V	80
R	H	CG1	VAL	A	150	L	H	HD3	LYS	V	80
R	H	CG1	VAL	A	150	L	H	HE2	LYS	V	80
R	H	CG1	VAL	A	150	L	H	CG1	VAL	V	83
R	H	CG1	VAL	A	150	L	H	HB	VAL	V	83
R	H	CG1	VAL	A	150	L	H	HG12	VAL	V	83
R	H	CG1	VAL	A	150	L	H	HG22	VAL	V	83
R	H	CG2	VAL	A	150	L	H	O	PRO	V	79
R	H	CG2	VAL	A	150	L	H	HA	LYS	V	80
R	H	CG2	VAL	A	150	L	H	HD2	LYS	V	80
R	H	CG2	VAL	A	150	L	H	CA	VAL	V	83
R	H	CG2	VAL	A	150	L	H	CB	VAL	V	83
R	H	CG2	VAL	A	150	L	H	CG1	VAL	V	83
R	H	CG2	VAL	A	150	L	H	CG2	VAL	V	83
R	H	CG2	VAL	A	150	L	H	H	VAL	V	83
R	H	CG2	VAL	A	150	L	H	HB	VAL	V	83
R	H	CG2	VAL	A	150	L	H	HG11	VAL	V	83
R	H	CG2	VAL	A	150	L	H	HG12	VAL	V	83
R	H	CG2	VAL	A	150	L	H	HG13	VAL	V	83
R	H	CG2	VAL	A	150	L	H	HG21	VAL	V	83
R	H	CG2	VAL	A	150	L	H	HG22	VAL	V	83
R	H	CG2	VAL	A	150	L	H	HG23	VAL	V	83
R	H	CD1	LEU	A	153	L	H	O	SER	V	75
R	H	CD1	LEU	A	153	L	H	HA	PHE	V	76
R	H	CD2	LEU	A	153	L	H	O	SER	V	75
R	H	CD2	LEU	A	153	L	H	O	PHE	V	76
R	H	CD2	LEU	A	153	L	H	HB2	PRO	V	79
R	H	CD2	LEU	A	153	L	H	HD3	PRO	V	79
R	H	CD2	LEU	A	153	L	H	N	LYS	V	80
R	H	CD2	LEU	A	153	L	H	CB	LYS	V	80
R	H	CD2	LEU	A	153	L	H	H	LYS	V	80
R	H	CD2	LEU	A	153	L	H	HB2	LYS	V	80
R	H	CD1	ILE	A	154	L	H	HE2	LYS	V	80
R	H	CB	LEU	A	157	L	H	HB2	SER	V	99
R	H	CB	LEU	A	157	L	H	HB3	SER	V	99
R	H	CG	LEU	A	157	L	H	HD1	PHE	V	76
R	H	CG	LEU	A	157	L	H	HE1	PHE	V	76
R	H	CG	LEU	A	157	L	H	HB2	SER	V	99
R	H	CD1	LEU	A	157	L	H	HD1	PHE	V	76
R	H	CD1	LEU	A	157	L	H	HA2	GLY	V	96
R	H	CD1	LEU	A	157	L	H	HB2	SER	V	99
R	H	CD2	LEU	A	157	L	H	CD1	PHE	V	76
R	H	CD2	LEU	A	157	L	H	CE1	PHE	V	76
R	H	CD2	LEU	A	157	L	H	HD1	PHE	V	76
R	H	CD2	LEU	A	157	L	H	HE1	PHE	V	76
R	H	CD2	LEU	A	157	L	H	CB	SER	V	99
R	H	CD2	LEU	A	157	L	H	HB2	SER	V	99
R	H	CD2	LEU	A	157	L	H	HB3	SER	V	99
R	H	CD2	LEU	A	157	L	H	HD2	PHE	V	103
R	H	CB	THR	A	160	L	H	HZ	PHE	V	103
R	H	CG2	THR	A	160	L	H	CZ	PHE	V	103
R	H	CG2	THR	A	160	L	H	HZ	PHE	V	103
R	H	CB	VAL	A	161	L	H	OG	SER	V	99
R	H	CB	VAL	A	161	L	H	HG	SER	V	99
R	H	CG1	VAL	A	161	L	H	HE3	TRP	V	95
R	H	CG1	VAL	A	161	L	H	HZ3	TRP	V	95
R	H	CG1	VAL	A	161	L	H	OG	SER	V	99
R	H	CG1	VAL	A	161	L	H	HG	SER	V	99
R	H	CG2	VAL	A	161	L	H	CA	SER	V	99
R	H	CG2	VAL	A	161	L	H	CB	SER	V	99
R	H	CG2	VAL	A	161	L	H	OG	SER	V	99
R	H	CG2	VAL	A	161	L	H	HA	SER	V	99
R	H	CG2	VAL	A	161	L	H	HB2	SER	V	99
R	H	CG2	VAL	A	161	L	H	HB3	SER	V	99
R	H	CG2	VAL	A	161	L	H	HG	SER	V	99
R	H	CG2	VAL	A	161	L	H	HE2	PHE	V	103

- Title of columns started by 'R:' means Receptor, 'L:' means Ligand
- In the Secondary Structure columns: 'H' means that residues/atoms in that row are part of Alpha Helix; 'S' - Beta Sheet

Krembil, Jurisica Lab. July 16, 2025 Database: 1.0.4.1