Analysis of interatomic Contacts of Structural Units in PDB entry:
1XMO

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 1XMO entry

There are 25 chains in PDB entry 1XMO (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	U 5	U 1544
W	A 1	G 3
X	G 30	U 33
X	U 35	U 36
X	A 38	C 40
B	VAL 7	GLN 240
C	GLY 2	VAL 207
D	GLY 2	ARG 209
E	ASP 5	GLY 154
F	MET 1	ALA 101
G	ALA 2	TRP 156
H	MET 1	TRP 138
I	GLU 2	ARG 128
J	LYS 3	THR 100
K	LYS 11	SER 129
L	PRO 5	ALA 128
M	ALA 2	LYS 126
N	ALA 2	TRP 61
O	PRO 2	GLY 89
P	MET 1	GLU 83
Q	PRO 2	ALA 105
R	PRO 16	LYS 88
S	PRO 2	ARG 81
T	ARG 8	ALA 106
V	GLY 2	LYS 25

There are 85 helices in PDB entry 1XMO. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	B	11	15	Right-handed 310
Helix 2	2	B	25	29	Right-handed 310
Helix 3	3	B	43	63	Right-handed alpha
Helix 4	4	B	78	87	Right-handed alpha
Helix 5	5	B	104	122	Right-handed alpha
Helix 6	6	B	136	149	Right-handed alpha
Helix 7	7	B	170	181	Right-handed alpha
Helix 8	8	B	193	197	Right-handed 310
Helix 9	9	B	209	218	Right-handed alpha
Helix 10	10	B	223	227	Right-handed 310
Helix 11	11	B	236	240	Right-handed 310
Helix 12	12	C	8	12	Right-handed 310
Helix 13	13	C	30	44	Right-handed alpha
Helix 14	14	C	47	52	Right-handed alpha
Helix 15	15	C	82	96	Right-handed alpha
Helix 16	16	C	108	111	Right-handed 310
Helix 17	17	C	112	126	Right-handed alpha
Helix 18	18	C	129	144	Right-handed alpha
Helix 19	19	D	10	16	Right-handed alpha
Helix 20	20	D	52	69	Right-handed alpha
Helix 21	21	D	71	85	Right-handed alpha
Helix 22	22	D	88	99	Right-handed alpha
Helix 23	23	D	100	109	Right-handed alpha
Helix 24	24	D	113	122	Right-handed alpha
Helix 25	25	D	149	154	Right-handed alpha
Helix 26	26	D	155	164	Right-handed alpha
Helix 27	27	D	199	208	Right-handed alpha
Helix 28	28	E	50	65	Right-handed alpha
Helix 29	29	E	103	112	Right-handed alpha
Helix 30	30	E	127	142	Right-handed alpha
Helix 31	31	E	144	154	Right-handed alpha
Helix 32	32	F	15	32	Right-handed alpha
Helix 33	33	F	68	71	Right-handed 310
Helix 34	34	F	72	80	Right-handed alpha
Helix 35	35	G	20	31	Right-handed alpha
Helix 36	36	G	37	48	Right-handed alpha
Helix 37	37	G	48	53	Right-handed alpha
Helix 38	38	G	57	67	Right-handed alpha
Helix 39	39	G	92	109	Right-handed alpha
Helix 40	40	G	116	130	Right-handed alpha
Helix 41	41	G	131	145	Right-handed alpha
Helix 42	42	G	148	153	Right-handed 310
Helix 43	43	H	4	19	Right-handed alpha
Helix 44	44	H	29	42	Right-handed alpha
Helix 45	45	H	96	100	Right-handed 310
Helix 46	46	H	102	107	Right-handed 310
Helix 47	47	H	120	127	Right-handed alpha
Helix 48	48	I	33	37	Right-handed alpha
Helix 49	49	I	40	45	Right-handed 310
Helix 50	50	I	47	53	Right-handed alpha
Helix 51	51	I	69	88	Right-handed alpha
Helix 52	52	I	92	97	Right-handed alpha
Helix 53	53	J	13	18	Right-handed alpha
Helix 54	54	J	21	25	Right-handed 310
Helix 55	55	K	52	56	Right-handed 310
Helix 56	56	K	57	75	Right-handed alpha
Helix 57	57	K	93	100	Right-handed alpha
Helix 58	58	K	122	126	Right-handed 310
Helix 59	59	L	6	13	Right-handed alpha
Helix 60	60	L	118	122	Right-handed 310
Helix 61	61	M	14	21	Right-handed alpha
Helix 62	62	M	27	37	Right-handed alpha
Helix 63	63	M	44	48	Right-handed 310
Helix 64	64	M	51	62	Right-handed alpha
Helix 65	65	M	66	84	Right-handed alpha
Helix 66	66	M	86	94	Right-handed alpha
Helix 67	67	M	107	112	Right-handed alpha
Helix 68	68	N	40	51	Right-handed alpha
Helix 69	69	O	4	16	Right-handed alpha
Helix 70	70	O	24	46	Right-handed alpha
Helix 71	71	O	49	74	Right-handed alpha
Helix 72	72	O	74	85	Right-handed alpha
Helix 73	73	P	52	61	Right-handed alpha
Helix 74	74	P	67	77	Right-handed alpha
Helix 75	75	Q	81	94	Right-handed alpha
Helix 76	76	R	36	41	Right-handed alpha
Helix 77	77	R	42	44	Right-handed 310
Helix 78	78	R	52	57	Right-handed alpha
Helix 79	79	R	59	77	Right-handed alpha
Helix 80	80	S	12	20	Right-handed alpha
Helix 81	81	S	70	74	Right-handed 310
Helix 82	82	T	13	45	Right-handed alpha
Helix 83	83	T	48	67	Right-handed alpha
Helix 84	84	T	73	93	Right-handed alpha
Helix 85	85	V	8	15	Right-handed alpha

There are 27 sheets in PDB entry 1XMO. 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,

There are 2 strands in A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	32	36	first strand
Strand 2	B	39	42	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	B	92	93	first strand
Strand 2	B	70	71	parallel
Strand 3	B	162	164	parallel
Strand 4	B	184	186	parallel

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There are 2 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	68	70	first strand
Strand 2	C	103	105	parallel

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There are 3 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	151	153	first strand
Strand 2	C	198	203	anti-parallel
Strand 3	C	182	185	anti-parallel

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There are 3 strands in E sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	131	132	first strand
Strand 2	D	126	128	anti-parallel
Strand 3	D	146	148	anti-parallel

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There are 2 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	176	177	first strand
Strand 2	D	182	183	anti-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	7	14	first strand
Strand 2	E	28	35	anti-parallel
Strand 3	E	40	48	anti-parallel
Strand 4	E	66	68	anti-parallel

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There are 2 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	17	20	first strand
Strand 2	E	23	26	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	80	84	first strand
Strand 2	E	87	93	anti-parallel
Strand 3	E	118	124	anti-parallel
Strand 4	E	100	101	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	F	44	46	first strand
Strand 2	F	58	62	anti-parallel
Strand 3	F	2	10	anti-parallel
Strand 4	F	66	67	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	F	44	46	first strand
Strand 2	F	58	62	anti-parallel
Strand 3	F	2	10	anti-parallel
Strand 4	F	85	92	anti-parallel

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There are 2 strands in L sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	98	99	first strand
Strand 2	R	29	30	anti-parallel

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There are 2 strands in M sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	73	76	first strand
Strand 2	G	87	90	anti-parallel

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There are 3 strands in N sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	23	24	first strand
Strand 2	H	56	63	anti-parallel
Strand 3	H	45	53	anti-parallel

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There are 2 strands in O sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	83	85	first strand
Strand 2	H	135	137	anti-parallel

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There are 2 strands in P sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	94	95	first strand
Strand 2	H	131	132	anti-parallel

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There are 2 strands in Q sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	112	113	first strand
Strand 2	H	118	119	anti-parallel

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There are 5 strands in R sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	9	10	first strand
Strand 2	I	13	21	anti-parallel
Strand 3	I	59	65	anti-parallel
Strand 4	I	26	28	parallel
Strand 5	I	31	32	anti-parallel

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There are 2 strands in S sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	5	10	first strand
Strand 2	J	94	99	anti-parallel

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There are 2 strands in T sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	43	49	first strand
Strand 2	J	61	67	anti-parallel

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There are 5 strands in U sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	39	44	first strand
Strand 2	K	27	33	anti-parallel
Strand 3	K	18	24	anti-parallel
Strand 4	K	79	85	parallel
Strand 5	K	104	110	parallel

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There are 5 strands in V sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	65	69	first strand
Strand 2	L	55	60	anti-parallel
Strand 3	L	33	37	anti-parallel
Strand 4	L	82	85	anti-parallel
Strand 5	L	100	105	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	P	34	35	first strand
Strand 2	P	17	23	anti-parallel
Strand 3	P	2	8	anti-parallel
Strand 4	P	65	66	parallel

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There are 2 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	38	39	first strand
Strand 2	P	49	50	anti-parallel

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There are 6 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	5	12	first strand
Strand 2	Q	18	24	anti-parallel
Strand 3	Q	39	45	anti-parallel
Strand 4	Q	69	76	parallel
Strand 5	Q	56	66	anti-parallel
Strand 6	Q	5	12	anti-parallel

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There are 2 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	27	29	first strand
Strand 2	Q	33	36	anti-parallel

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There are 3 strands in AA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	S	32	33	first strand
Strand 2	S	48	52	parallel
Strand 3	S	57	61	anti-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: 1XMO

Analysis of interatomic Contacts of Structural Units in PDB entry:
1XMO