Analysis of interatomic Contacts of Structural Units in PDB entry:
4KIW

Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
This page provides analyses of contacts formed by:

chains
helices
sheets
residues

For analysis of ligand-protein contacts, use:

LPC software

3D structure can be seen in additional window with STING software for 4KIW entry

There are 24 chains in PDB entry 4KIW (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	LEU 3	HIS 143
B	LEU 3	HIS 143
C	LEU 3	HIS 143
D	LEU 3	HIS 143
E	LEU 3	HIS 143
F	LEU 3	HIS 143
G	LEU 3	HIS 143
H	LEU 3	HIS 143
I	LEU 3	HIS 143
J	LEU 3	HIS 143
K	LEU 3	HIS 143
L	LEU 3	HIS 143
M	LEU 3	HIS 143
N	LEU 3	HIS 143
O	LEU 3	HIS 143
P	LEU 3	HIS 143
Q	LEU 3	HIS 143
R	LEU 3	HIS 143
S	LEU 3	HIS 143
T	LEU 3	HIS 143
U	LEU 3	HIS 143
V	LEU 3	HIS 143
W	LEU 3	HIS 143
X	LEU 3	HIS 143

There are205 helices in PDB entry 4KIW. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	12	16	Right-handed 310
Helix 2	2	A	28	44	Right-handed alpha
Helix 3	3	A	54	68	Right-handed alpha
Helix 4	4	A	76	82	Right-handed 310
Helix 5	5	A	83	92	Right-handed alpha
Helix 6	6	A	109	114	Right-handed 310
Helix 7	7	A	117	121	Right-handed 310
Helix 8	8	A	130	142	Right-handed alpha
Helix 9	9	B	12	16	Right-handed 310
Helix 10	10	B	28	43	Right-handed alpha
Helix 11	11	B	54	68	Right-handed alpha
Helix 12	12	B	76	82	Right-handed 310
Helix 13	13	B	83	92	Right-handed alpha
Helix 14	14	B	109	113	Right-handed 310
Helix 15	15	B	117	121	Right-handed 310
Helix 16	16	B	130	143	Right-handed alpha
Helix 17	17	C	12	16	Right-handed 310
Helix 18	18	C	28	43	Right-handed alpha
Helix 19	19	C	54	68	Right-handed alpha
Helix 20	20	C	78	83	Right-handed alpha
Helix 21	21	C	83	92	Right-handed alpha
Helix 22	22	C	104	108	Right-handed 310
Helix 23	23	C	109	113	Right-handed 310
Helix 24	24	C	117	121	Right-handed 310
Helix 25	25	C	130	143	Right-handed alpha
Helix 26	26	D	12	16	Right-handed 310
Helix 27	27	D	28	42	Right-handed alpha
Helix 28	28	D	54	68	Right-handed alpha
Helix 29	29	D	76	81	Right-handed 310
Helix 30	30	D	83	91	Right-handed alpha
Helix 31	31	D	109	114	Right-handed 310
Helix 32	32	D	117	121	Right-handed 310
Helix 33	33	D	130	142	Right-handed alpha
Helix 34	34	E	12	16	Right-handed 310
Helix 35	35	E	28	42	Right-handed alpha
Helix 36	36	E	54	69	Right-handed alpha
Helix 37	37	E	78	83	Right-handed alpha
Helix 38	38	E	83	92	Right-handed alpha
Helix 39	39	E	104	108	Right-handed 310
Helix 40	40	E	109	113	Right-handed 310
Helix 41	41	E	117	121	Right-handed 310
Helix 42	42	E	130	143	Right-handed alpha
Helix 43	43	F	12	16	Right-handed 310
Helix 44	44	F	28	42	Right-handed alpha
Helix 45	45	F	54	67	Right-handed alpha
Helix 46	46	F	78	83	Right-handed alpha
Helix 47	47	F	83	92	Right-handed alpha
Helix 48	48	F	104	108	Right-handed 310
Helix 49	49	F	109	114	Right-handed 310
Helix 50	50	F	117	121	Right-handed 310
Helix 51	51	F	130	142	Right-handed alpha
Helix 52	52	G	12	16	Right-handed 310
Helix 53	53	G	28	43	Right-handed alpha
Helix 54	54	G	54	69	Right-handed alpha
Helix 55	55	G	76	82	Right-handed 310
Helix 56	56	G	83	92	Right-handed alpha
Helix 57	57	G	109	113	Right-handed 310
Helix 58	58	G	117	121	Right-handed 310
Helix 59	59	G	130	143	Right-handed alpha
Helix 60	60	H	12	16	Right-handed 310
Helix 61	61	H	20	25	Right-handed alpha
Helix 62	62	H	28	43	Right-handed alpha
Helix 63	63	H	54	68	Right-handed alpha
Helix 64	64	H	76	82	Right-handed 310
Helix 65	65	H	83	92	Right-handed alpha
Helix 66	66	H	104	108	Right-handed 310
Helix 67	67	H	109	114	Right-handed 310
Helix 68	68	H	117	121	Right-handed 310
Helix 69	69	H	130	143	Right-handed alpha
Helix 70	70	I	12	16	Right-handed 310
Helix 71	71	I	28	44	Right-handed alpha
Helix 72	72	I	54	69	Right-handed alpha
Helix 73	73	I	76	82	Right-handed 310
Helix 74	74	I	83	92	Right-handed alpha
Helix 75	75	I	104	108	Right-handed 310
Helix 76	76	I	109	113	Right-handed 310
Helix 77	77	I	117	121	Right-handed 310
Helix 78	78	I	130	143	Right-handed alpha
Helix 79	79	J	12	16	Right-handed 310
Helix 80	80	J	28	43	Right-handed alpha
Helix 81	81	J	54	69	Right-handed alpha
Helix 82	82	J	78	83	Right-handed alpha
Helix 83	83	J	83	91	Right-handed alpha
Helix 84	84	J	104	108	Right-handed 310
Helix 85	85	J	109	114	Right-handed 310
Helix 86	86	J	130	143	Right-handed alpha
Helix 87	87	K	12	16	Right-handed 310
Helix 88	88	K	20	25	Right-handed alpha
Helix 89	89	K	28	44	Right-handed alpha
Helix 90	90	K	54	68	Right-handed alpha
Helix 91	91	K	76	82	Right-handed 310
Helix 92	92	K	83	92	Right-handed alpha
Helix 93	93	K	104	108	Right-handed 310
Helix 94	94	K	109	113	Right-handed 310
Helix 95	95	K	117	121	Right-handed 310
Helix 96	96	K	130	143	Right-handed alpha
Helix 97	97	L	12	16	Right-handed 310
Helix 98	98	L	28	43	Right-handed alpha
Helix 99	99	L	54	68	Right-handed alpha
Helix 100	100	L	76	82	Right-handed 310
Helix 101	101	L	83	92	Right-handed alpha
Helix 102	102	L	104	108	Right-handed 310
Helix 103	103	L	109	114	Right-handed 310
Helix 104	104	L	117	121	Right-handed 310
Helix 105	105	L	130	143	Right-handed alpha
Helix 106	106	M	12	16	Right-handed 310
Helix 107	107	M	28	42	Right-handed alpha
Helix 108	108	M	54	68	Right-handed alpha
Helix 109	109	M	76	82	Right-handed 310
Helix 110	110	M	83	91	Right-handed alpha
Helix 111	111	M	104	108	Right-handed 310
Helix 112	112	M	109	113	Right-handed 310
Helix 113	113	M	128	130	Right-handed 310
Helix 114	114	M	131	142	Right-handed alpha
Helix 115	115	N	12	16	Right-handed 310
Helix 116	116	N	28	43	Right-handed alpha
Helix 117	117	N	54	68	Right-handed alpha
Helix 118	118	N	78	83	Right-handed alpha
Helix 119	119	N	83	91	Right-handed alpha
Helix 120	120	N	104	108	Right-handed 310
Helix 121	121	N	109	113	Right-handed 310
Helix 122	122	N	117	121	Right-handed 310
Helix 123	123	N	130	141	Right-handed alpha
Helix 124	124	O	12	16	Right-handed 310
Helix 125	125	O	28	43	Right-handed alpha
Helix 126	126	O	54	68	Right-handed alpha
Helix 127	127	O	76	82	Right-handed 310
Helix 128	128	O	83	92	Right-handed alpha
Helix 129	129	O	104	108	Right-handed 310
Helix 130	130	O	109	114	Right-handed 310
Helix 131	131	O	117	121	Right-handed 310
Helix 132	132	O	130	142	Right-handed alpha
Helix 133	133	P	28	42	Right-handed alpha
Helix 134	134	P	54	68	Right-handed alpha
Helix 135	135	P	76	82	Right-handed 310
Helix 136	136	P	83	91	Right-handed alpha
Helix 137	137	P	109	113	Right-handed 310
Helix 138	138	P	117	121	Right-handed 310
Helix 139	139	P	130	143	Right-handed alpha
Helix 140	140	Q	12	16	Right-handed 310
Helix 141	141	Q	28	43	Right-handed alpha
Helix 142	142	Q	54	69	Right-handed alpha
Helix 143	143	Q	76	82	Right-handed 310
Helix 144	144	Q	83	91	Right-handed alpha
Helix 145	145	Q	104	108	Right-handed 310
Helix 146	146	Q	109	114	Right-handed 310
Helix 147	147	Q	130	143	Right-handed alpha
Helix 148	148	R	12	16	Right-handed 310
Helix 149	149	R	28	44	Right-handed alpha
Helix 150	150	R	54	68	Right-handed alpha
Helix 151	151	R	76	82	Right-handed 310
Helix 152	152	R	83	93	Right-handed alpha
Helix 153	153	R	109	113	Right-handed 310
Helix 154	154	R	130	143	Right-handed alpha
Helix 155	155	S	12	16	Right-handed 310
Helix 156	156	S	28	43	Right-handed alpha
Helix 157	157	S	54	68	Right-handed alpha
Helix 158	158	S	76	82	Right-handed 310
Helix 159	159	S	83	92	Right-handed alpha
Helix 160	160	S	104	108	Right-handed 310
Helix 161	161	S	109	113	Right-handed 310
Helix 162	162	S	117	121	Right-handed 310
Helix 163	163	S	130	141	Right-handed alpha
Helix 164	164	T	12	16	Right-handed 310
Helix 165	165	T	28	43	Right-handed alpha
Helix 166	166	T	54	68	Right-handed alpha
Helix 167	167	T	78	83	Right-handed alpha
Helix 168	168	T	83	92	Right-handed alpha
Helix 169	169	T	109	114	Right-handed 310
Helix 170	170	T	130	143	Right-handed alpha
Helix 171	171	U	12	16	Right-handed 310
Helix 172	172	U	20	25	Right-handed alpha
Helix 173	173	U	28	43	Right-handed alpha
Helix 174	174	U	54	68	Right-handed alpha
Helix 175	175	U	76	82	Right-handed 310
Helix 176	176	U	83	92	Right-handed alpha
Helix 177	177	U	104	108	Right-handed 310
Helix 178	178	U	109	114	Right-handed 310
Helix 179	179	U	117	121	Right-handed 310
Helix 180	180	U	130	143	Right-handed alpha
Helix 181	181	V	28	44	Right-handed alpha
Helix 182	182	V	54	68	Right-handed alpha
Helix 183	183	V	76	82	Right-handed 310
Helix 184	184	V	83	93	Right-handed alpha
Helix 185	185	V	104	108	Right-handed 310
Helix 186	186	V	109	113	Right-handed 310
Helix 187	187	V	117	121	Right-handed 310
Helix 188	188	V	130	142	Right-handed alpha
Helix 189	189	W	12	16	Right-handed 310
Helix 190	190	W	28	44	Right-handed alpha
Helix 191	191	W	54	68	Right-handed alpha
Helix 192	192	W	76	82	Right-handed 310
Helix 193	193	W	83	92	Right-handed alpha
Helix 194	194	W	104	108	Right-handed 310
Helix 195	195	W	109	113	Right-handed 310
Helix 196	196	W	117	121	Right-handed 310
Helix 197	197	W	130	141	Right-handed alpha
Helix 198	198	X	12	16	Right-handed 310
Helix 199	199	X	28	42	Right-handed alpha
Helix 200	200	X	54	69	Right-handed alpha
Helix 201	201	X	76	82	Right-handed 310
Helix 202	202	X	83	91	Right-handed alpha
Helix 203	203	X	104	108	Right-handed 310
Helix 204	204	X	109	113	Right-handed 310
Helix 205	205	X	130	142	Right-handed alpha

There are 12 sheets in PDB entry 4KIW. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 10 strands in A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	46	51	first strand
Strand 2	A	4	9	parallel
Strand 3	A	72	75	parallel
Strand 4	A	97	101	parallel
Strand 5	A	123	126	parallel
Strand 6	G	123	126	anti-parallel
Strand 7	G	97	100	parallel
Strand 8	G	72	75	parallel
Strand 9	G	4	9	parallel
Strand 10	G	46	51	parallel

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There are 10 strands in B sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	48	51	first strand
Strand 2	B	6	9	parallel
Strand 3	B	72	75	parallel
Strand 4	B	97	101	parallel
Strand 5	B	123	126	parallel
Strand 6	F	123	126	anti-parallel
Strand 7	F	97	101	parallel
Strand 8	F	72	75	parallel
Strand 9	F	4	9	parallel
Strand 10	F	46	51	parallel

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There are 10 strands in C sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	46	51	first strand
Strand 2	C	4	9	parallel
Strand 3	C	72	75	parallel
Strand 4	C	97	101	parallel
Strand 5	C	123	126	parallel
Strand 6	H	123	126	anti-parallel
Strand 7	H	97	101	parallel
Strand 8	H	72	75	parallel
Strand 9	H	4	9	parallel
Strand 10	H	46	51	parallel

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There are 10 strands in D sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	46	51	first strand
Strand 2	D	4	9	parallel
Strand 3	D	72	75	parallel
Strand 4	D	97	100	parallel
Strand 5	D	123	126	parallel
Strand 6	I	123	126	anti-parallel
Strand 7	I	97	101	parallel
Strand 8	I	72	75	parallel
Strand 9	I	4	9	parallel
Strand 10	I	46	51	parallel

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There are 10 strands in E sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	46	51	first strand
Strand 2	E	4	9	parallel
Strand 3	E	72	75	parallel
Strand 4	E	97	101	parallel
Strand 5	E	123	126	parallel
Strand 6	K	123	126	anti-parallel
Strand 7	K	97	101	parallel
Strand 8	K	72	75	parallel
Strand 9	K	4	9	parallel
Strand 10	K	46	51	parallel

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There are 10 strands in F sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	46	51	first strand
Strand 2	J	4	9	parallel
Strand 3	J	72	75	parallel
Strand 4	J	97	101	parallel
Strand 5	J	123	126	parallel
Strand 6	L	123	126	anti-parallel
Strand 7	L	97	100	parallel
Strand 8	L	72	75	parallel
Strand 9	L	4	9	parallel
Strand 10	L	46	51	parallel

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There are 10 strands in G sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	46	51	first strand
Strand 2	M	4	9	parallel
Strand 3	M	72	75	parallel
Strand 4	M	97	100	parallel
Strand 5	M	123	126	parallel
Strand 6	S	123	126	anti-parallel
Strand 7	S	97	101	parallel
Strand 8	S	72	75	parallel
Strand 9	S	4	9	parallel
Strand 10	S	46	51	parallel

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There are 10 strands in H sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	46	51	first strand
Strand 2	N	4	9	parallel
Strand 3	N	72	75	parallel
Strand 4	N	97	101	parallel
Strand 5	N	123	126	parallel
Strand 6	R	123	126	anti-parallel
Strand 7	R	97	100	parallel
Strand 8	R	72	75	parallel
Strand 9	R	4	9	parallel
Strand 10	R	46	51	parallel

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There are 10 strands in I sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	46	51	first strand
Strand 2	O	4	9	parallel
Strand 3	O	72	75	parallel
Strand 4	O	97	101	parallel
Strand 5	O	123	126	parallel
Strand 6	T	123	126	anti-parallel
Strand 7	T	97	101	parallel
Strand 8	T	72	75	parallel
Strand 9	T	4	9	parallel
Strand 10	T	46	51	parallel

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There are 10 strands in J sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	P	46	51	first strand
Strand 2	P	4	9	parallel
Strand 3	P	72	75	parallel
Strand 4	P	97	101	parallel
Strand 5	P	123	126	parallel
Strand 6	U	123	126	anti-parallel
Strand 7	U	97	101	parallel
Strand 8	U	72	75	parallel
Strand 9	U	4	9	parallel
Strand 10	U	46	51	parallel

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There are 10 strands in K sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	Q	46	51	first strand
Strand 2	Q	4	9	parallel
Strand 3	Q	72	75	parallel
Strand 4	Q	97	101	parallel
Strand 5	Q	123	126	parallel
Strand 6	W	123	126	anti-parallel
Strand 7	W	97	101	parallel
Strand 8	W	72	75	parallel
Strand 9	W	4	9	parallel
Strand 10	W	46	51	parallel

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There are 10 strands in L sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	V	46	51	first strand
Strand 2	V	4	9	parallel
Strand 3	V	72	75	parallel
Strand 4	V	97	101	parallel
Strand 5	V	123	126	parallel
Strand 6	X	123	126	anti-parallel
Strand 7	X	97	101	parallel
Strand 8	X	72	75	parallel
Strand 9	X	4	9	parallel
Strand 10	X	46	48	parallel

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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il

Analysis of interatomic Contacts of Structural Units in PDB entry: 4KIW

Analysis of interatomic Contacts of Structural Units in PDB entry:
4KIW