Analysis of interatomic Contacts of Structural Units in PDB entry:
3TCX

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 3TCX entry

There are 10 chains in PDB entry 3TCX (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	MET 1	THR 85
B	MET 128	TYR 307
C	MET 1	THR 85
D	MET 128	TYR 307
E	MET 1	THR 85
F	MET 128	TYR 307
G	MET 1	THR 85
H	MET 128	TYR 307
I	MET 1	THR 85
J	MET 128	ASP 249

There are110 helices in PDB entry 3TCX. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	B	143	160	Right-handed alpha
Helix 2	2	B	182	189	Right-handed alpha
Helix 3	3	B	191	196	Right-handed alpha
Helix 4	4	B	207	219	Right-handed alpha
Helix 5	5	B	248	252	Right-handed 310
Helix 6	6	B	262	266	Right-handed 310
Helix 7	7	B	267	278	Right-handed alpha
Helix 8	8	B	296	303	Right-handed alpha
Helix 9	9	D	143	160	Right-handed alpha
Helix 10	10	D	182	189	Right-handed alpha
Helix 11	11	D	191	196	Right-handed alpha
Helix 12	12	D	207	219	Right-handed alpha
Helix 13	13	D	248	252	Right-handed 310
Helix 14	14	D	267	278	Right-handed alpha
Helix 15	15	D	296	303	Right-handed alpha
Helix 16	16	F	143	160	Right-handed alpha
Helix 17	17	F	182	189	Right-handed alpha
Helix 18	18	F	191	196	Right-handed alpha
Helix 19	19	F	207	219	Right-handed alpha
Helix 20	20	F	248	252	Right-handed 310
Helix 21	21	F	262	266	Right-handed 310
Helix 22	22	F	267	278	Right-handed alpha
Helix 23	23	F	296	303	Right-handed alpha
Helix 24	24	H	143	160	Right-handed alpha
Helix 25	25	H	182	189	Right-handed alpha
Helix 26	26	H	191	196	Right-handed alpha
Helix 27	27	H	207	219	Right-handed alpha
Helix 28	28	H	248	252	Right-handed 310
Helix 29	29	H	262	266	Right-handed 310
Helix 30	30	H	267	278	Right-handed alpha
Helix 31	31	H	296	303	Right-handed alpha
Helix 32	32	J	143	160	Right-handed alpha
Helix 33	33	J	182	189	Right-handed alpha
Helix 34	34	J	191	196	Right-handed alpha
Helix 35	35	J	207	219	Right-handed alpha
Helix 36	36	J	248	252	Right-handed 310
Helix 37	37	J	262	266	Right-handed 310
Helix 38	38	J	267	278	Right-handed alpha
Helix 39	39	J	296	303	Right-handed alpha
Helix 40	40	L	143	160	Right-handed alpha
Helix 41	41	L	182	189	Right-handed alpha
Helix 42	42	L	191	196	Right-handed alpha
Helix 43	43	L	207	219	Right-handed alpha
Helix 44	44	L	248	252	Right-handed 310
Helix 45	45	L	262	266	Right-handed 310
Helix 46	46	L	267	278	Right-handed alpha
Helix 47	47	L	296	306	Right-handed alpha
Helix 48	48	N	143	160	Right-handed alpha
Helix 49	49	N	182	189	Right-handed alpha
Helix 50	50	N	191	196	Right-handed alpha
Helix 51	51	N	207	219	Right-handed alpha
Helix 52	52	N	248	252	Right-handed 310
Helix 53	53	N	262	266	Right-handed 310
Helix 54	54	N	267	278	Right-handed alpha
Helix 55	55	N	296	303	Right-handed alpha
Helix 56	56	P	143	160	Right-handed alpha
Helix 57	57	P	182	189	Right-handed alpha
Helix 58	58	P	191	196	Right-handed alpha
Helix 59	59	P	207	219	Right-handed alpha
Helix 60	60	P	248	252	Right-handed 310
Helix 61	61	P	262	266	Right-handed 310
Helix 62	62	P	267	278	Right-handed alpha
Helix 63	63	P	296	306	Right-handed alpha
Helix 64	64	R	143	160	Right-handed alpha
Helix 65	65	R	182	189	Right-handed alpha
Helix 66	66	R	191	196	Right-handed alpha
Helix 67	67	R	207	219	Right-handed alpha
Helix 68	68	R	248	252	Right-handed 310
Helix 69	69	R	262	266	Right-handed 310
Helix 70	70	R	267	278	Right-handed alpha
Helix 71	71	R	296	306	Right-handed alpha
Helix 72	72	T	143	160	Right-handed alpha
Helix 73	73	T	182	190	Right-handed alpha
Helix 74	74	T	191	196	Right-handed alpha
Helix 75	75	T	207	219	Right-handed alpha
Helix 76	76	T	248	252	Right-handed 310
Helix 77	77	T	262	266	Right-handed 310
Helix 78	78	T	267	278	Right-handed alpha
Helix 79	79	T	296	306	Right-handed alpha
Helix 80	80	V	143	160	Right-handed alpha
Helix 81	81	V	182	189	Right-handed alpha
Helix 82	82	V	191	196	Right-handed alpha
Helix 83	83	V	207	219	Right-handed alpha
Helix 84	84	V	248	252	Right-handed 310
Helix 85	85	V	267	278	Right-handed alpha
Helix 86	86	V	296	303	Right-handed alpha
Helix 87	87	X	143	160	Right-handed alpha
Helix 88	88	X	182	189	Right-handed alpha
Helix 89	89	X	191	196	Right-handed alpha
Helix 90	90	X	207	219	Right-handed alpha
Helix 91	91	X	248	252	Right-handed 310
Helix 92	92	X	262	266	Right-handed 310
Helix 93	93	X	267	278	Right-handed alpha
Helix 94	94	X	296	306	Right-handed alpha
Helix 95	95	Z	143	160	Right-handed alpha
Helix 96	96	Z	182	189	Right-handed alpha
Helix 97	97	Z	191	196	Right-handed alpha
Helix 98	98	Z	207	219	Right-handed alpha
Helix 99	99	Z	248	252	Right-handed 310
Helix 100	100	Z	262	266	Right-handed 310
Helix 101	101	Z	267	278	Right-handed alpha
Helix 102	102	Z	296	306	Right-handed alpha
Helix 103	103	b	143	160	Right-handed alpha
Helix 104	104	b	182	189	Right-handed alpha
Helix 105	105	b	191	196	Right-handed alpha
Helix 106	106	b	207	219	Right-handed alpha
Helix 107	107	b	248	252	Right-handed 310
Helix 108	108	b	262	266	Right-handed 310
Helix 109	109	b	267	278	Right-handed alpha
Helix 110	110	b	296	303	Right-handed alpha

There are 42 sheets in PDB entry 3TCX. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, AA, AB, AC, AD, AE, AF, AG, AH, AI, AJ, AK, AL, AM, AN, AO, AP,

There are 4 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	2	5	first strand
Strand 2	A	15	23	anti-parallel
Strand 3	A	49	57	anti-parallel
Strand 4	A	39	41	anti-parallel

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There are 4 strands in B sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	8	12	first strand
Strand 2	A	73	83	parallel
Strand 3	A	61	68	anti-parallel
Strand 4	A	30	34	anti-parallel

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There are 6 strands in C sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	177	181	first strand
Strand 2	B	166	173	anti-parallel
Strand 3	B	130	137	parallel
Strand 4	B	231	238	parallel
Strand 5	B	255	260	parallel
Strand 6	B	286	288	parallel

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There are 4 strands in D sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	2	5	first strand
Strand 2	C	15	23	anti-parallel
Strand 3	C	49	57	anti-parallel
Strand 4	C	39	41	anti-parallel

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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	8	12	first strand
Strand 2	C	73	83	parallel
Strand 3	C	61	68	anti-parallel
Strand 4	C	30	34	anti-parallel

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There are 6 strands in F sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	177	181	first strand
Strand 2	D	166	173	anti-parallel
Strand 3	D	130	137	parallel
Strand 4	D	231	238	parallel
Strand 5	D	255	260	parallel
Strand 6	D	286	288	parallel

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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	2	5	first strand
Strand 2	E	15	23	anti-parallel
Strand 3	E	49	57	anti-parallel
Strand 4	E	39	41	anti-parallel

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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	8	12	first strand
Strand 2	E	73	83	parallel
Strand 3	E	61	68	anti-parallel
Strand 4	E	30	34	anti-parallel

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There are 6 strands in I sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	177	181	first strand
Strand 2	F	166	173	anti-parallel
Strand 3	F	130	137	parallel
Strand 4	F	231	238	parallel
Strand 5	F	255	260	parallel
Strand 6	F	286	288	parallel

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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	2	5	first strand
Strand 2	G	15	23	anti-parallel
Strand 3	G	49	57	anti-parallel
Strand 4	G	39	41	anti-parallel

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There are 4 strands in K sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	8	12	first strand
Strand 2	G	73	83	parallel
Strand 3	G	61	68	anti-parallel
Strand 4	G	30	34	anti-parallel

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There are 6 strands in L sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	177	181	first strand
Strand 2	H	166	173	anti-parallel
Strand 3	H	130	137	parallel
Strand 4	H	231	238	parallel
Strand 5	H	255	260	parallel
Strand 6	H	286	288	parallel

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There are 4 strands in M sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	2	5	first strand
Strand 2	I	15	23	anti-parallel
Strand 3	I	49	57	anti-parallel
Strand 4	I	39	41	anti-parallel

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There are 4 strands in N sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	8	12	first strand
Strand 2	I	73	83	parallel
Strand 3	I	61	68	anti-parallel
Strand 4	I	30	34	anti-parallel

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There are 6 strands in O sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	177	181	first strand
Strand 2	J	166	173	anti-parallel
Strand 3	J	130	137	parallel
Strand 4	J	231	238	parallel
Strand 5	J	255	260	parallel
Strand 6	J	286	288	parallel

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There are 4 strands in P sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	2	5	first strand
Strand 2	K	15	23	anti-parallel
Strand 3	K	49	57	anti-parallel
Strand 4	K	39	41	anti-parallel

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There are 4 strands in Q sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	8	12	first strand
Strand 2	K	73	83	parallel
Strand 3	K	61	68	anti-parallel
Strand 4	K	30	34	anti-parallel

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There are 6 strands in R sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	177	181	first strand
Strand 2	L	166	173	anti-parallel
Strand 3	L	130	137	parallel
Strand 4	L	231	238	parallel
Strand 5	L	255	260	parallel
Strand 6	L	286	288	parallel

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There are 4 strands in S sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	2	5	first strand
Strand 2	M	15	23	anti-parallel
Strand 3	M	49	57	anti-parallel
Strand 4	M	39	41	anti-parallel

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There are 4 strands in T sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	8	12	first strand
Strand 2	M	73	83	parallel
Strand 3	M	61	68	anti-parallel
Strand 4	M	30	34	anti-parallel

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There are 6 strands in U sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	177	181	first strand
Strand 2	N	166	173	anti-parallel
Strand 3	N	130	137	parallel
Strand 4	N	231	238	parallel
Strand 5	N	255	260	parallel
Strand 6	N	286	288	parallel

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There are 4 strands in V sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	2	5	first strand
Strand 2	O	15	23	anti-parallel
Strand 3	O	49	57	anti-parallel
Strand 4	O	39	41	anti-parallel

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There are 4 strands in W sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	8	12	first strand
Strand 2	O	73	83	parallel
Strand 3	O	61	68	anti-parallel
Strand 4	O	30	34	anti-parallel

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There are 6 strands in X sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	P	177	181	first strand
Strand 2	P	166	173	anti-parallel
Strand 3	P	130	137	parallel
Strand 4	P	231	238	parallel
Strand 5	P	255	260	parallel
Strand 6	P	286	288	parallel

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There are 4 strands in Y sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	Q	2	5	first strand
Strand 2	Q	15	23	anti-parallel
Strand 3	Q	49	57	anti-parallel
Strand 4	Q	39	41	anti-parallel

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There are 4 strands in Z sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	Q	8	12	first strand
Strand 2	Q	73	83	parallel
Strand 3	Q	61	68	anti-parallel
Strand 4	Q	30	34	anti-parallel

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There are 6 strands in AA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	R	177	181	first strand
Strand 2	R	166	173	anti-parallel
Strand 3	R	130	137	parallel
Strand 4	R	231	238	parallel
Strand 5	R	255	260	parallel
Strand 6	R	286	288	parallel

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There are 4 strands in AB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	S	2	5	first strand
Strand 2	S	15	23	anti-parallel
Strand 3	S	49	57	anti-parallel
Strand 4	S	39	41	anti-parallel

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There are 4 strands in AC sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	S	8	12	first strand
Strand 2	S	73	83	parallel
Strand 3	S	61	68	anti-parallel
Strand 4	S	30	34	anti-parallel

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There are 6 strands in AD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	T	177	181	first strand
Strand 2	T	166	173	anti-parallel
Strand 3	T	130	137	parallel
Strand 4	T	231	238	parallel
Strand 5	T	255	260	parallel
Strand 6	T	286	288	parallel

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There are 4 strands in AE sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	U	2	5	first strand
Strand 2	U	15	23	anti-parallel
Strand 3	U	49	57	anti-parallel
Strand 4	U	39	41	anti-parallel

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There are 4 strands in AF sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	U	8	12	first strand
Strand 2	U	73	83	parallel
Strand 3	U	61	68	anti-parallel
Strand 4	U	30	34	anti-parallel

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There are 6 strands in AG sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	V	177	181	first strand
Strand 2	V	166	173	anti-parallel
Strand 3	V	130	137	parallel
Strand 4	V	231	238	parallel
Strand 5	V	255	260	parallel
Strand 6	V	286	288	parallel

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There are 4 strands in AH sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	W	2	5	first strand
Strand 2	W	15	23	anti-parallel
Strand 3	W	49	57	anti-parallel
Strand 4	W	39	41	anti-parallel

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There are 4 strands in AI sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	W	8	12	first strand
Strand 2	W	73	83	parallel
Strand 3	W	61	68	anti-parallel
Strand 4	W	30	34	anti-parallel

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There are 6 strands in AJ sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	X	177	181	first strand
Strand 2	X	166	173	anti-parallel
Strand 3	X	130	137	parallel
Strand 4	X	231	238	parallel
Strand 5	X	255	260	parallel
Strand 6	X	286	288	parallel

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There are 4 strands in AK sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	Y	2	5	first strand
Strand 2	Y	15	23	anti-parallel
Strand 3	Y	49	57	anti-parallel
Strand 4	Y	39	41	anti-parallel

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There are 4 strands in AL sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	Y	8	12	first strand
Strand 2	Y	73	83	parallel
Strand 3	Y	61	68	anti-parallel
Strand 4	Y	30	34	anti-parallel

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There are 6 strands in AM sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	Z	177	181	first strand
Strand 2	Z	166	173	anti-parallel
Strand 3	Z	130	137	parallel
Strand 4	Z	231	238	parallel
Strand 5	Z	255	260	parallel
Strand 6	Z	286	288	parallel

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There are 4 strands in AN sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	a	2	5	first strand
Strand 2	a	15	23	anti-parallel
Strand 3	a	49	57	anti-parallel
Strand 4	a	39	41	anti-parallel

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There are 4 strands in AO sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	a	8	12	first strand
Strand 2	a	73	83	parallel
Strand 3	a	61	68	anti-parallel
Strand 4	a	30	34	anti-parallel

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There are 6 strands in AP sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	b	177	181	first strand
Strand 2	b	166	173	anti-parallel
Strand 3	b	130	137	parallel
Strand 4	b	231	238	parallel
Strand 5	b	255	260	parallel
Strand 6	b	286	288	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: 3TCX

Analysis of interatomic Contacts of Structural Units in PDB entry:
3TCX