Analysis of interatomic Contacts of Structural Units in PDB entry:
1H2I

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 1H2I entry

There are 22 chains in PDB entry 1H2I (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	LEU 24	ARG 209
B	LEU 24	ARG 209
C	LEU 24	ARG 209
D	LEU 24	ARG 209
E	LEU 24	ARG 209
F	LEU 24	ARG 209
G	LEU 24	ARG 209
H	LEU 24	ARG 209
I	LEU 24	ARG 209
J	LEU 24	ARG 209
K	LEU 24	ARG 209
L	LEU 24	ARG 209
M	LEU 24	ARG 209
N	LEU 24	ARG 209
O	LEU 24	ARG 209
P	LEU 24	ARG 209
Q	LEU 24	ARG 209
R	LEU 24	ARG 209
S	LEU 24	ARG 209
T	LEU 24	ARG 209
U	LEU 24	ARG 209
V	LEU 24	ARG 209

There are157 helices in PDB entry 1H2I. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	32	45	Right-handed alpha
Helix 2	2	A	67	80	Right-handed alpha
Helix 3	3	A	134	157	Right-handed alpha
Helix 4	4	A	158	163	Right-handed 310
Helix 5	5	A	164	167	Right-handed 310
Helix 6	6	A	168	177	Right-handed alpha
Helix 7	7	A	197	206	Right-handed alpha
Helix 8	8	B	32	45	Right-handed alpha
Helix 9	9	B	67	80	Right-handed alpha
Helix 10	10	B	134	157	Right-handed alpha
Helix 11	11	B	158	167	Right-handed 310
Helix 12	12	B	168	177	Right-handed alpha
Helix 13	13	B	187	191	Right-handed 310
Helix 14	14	B	197	208	Right-handed alpha
Helix 15	15	C	32	45	Right-handed alpha
Helix 16	16	C	67	80	Right-handed alpha
Helix 17	17	C	134	157	Right-handed alpha
Helix 18	18	C	158	167	Right-handed 310
Helix 19	19	C	168	177	Right-handed alpha
Helix 20	20	C	197	206	Right-handed alpha
Helix 21	21	D	32	45	Right-handed alpha
Helix 22	22	D	67	80	Right-handed alpha
Helix 23	23	D	134	157	Right-handed alpha
Helix 24	24	D	158	163	Right-handed 310
Helix 25	25	D	164	167	Right-handed 310
Helix 26	26	D	168	177	Right-handed alpha
Helix 27	27	D	197	207	Right-handed alpha
Helix 28	28	E	32	45	Right-handed alpha
Helix 29	29	E	67	80	Right-handed alpha
Helix 30	30	E	134	157	Right-handed alpha
Helix 31	31	E	158	163	Right-handed 310
Helix 32	32	E	164	167	Right-handed 310
Helix 33	33	E	168	177	Right-handed alpha
Helix 34	34	E	197	208	Right-handed alpha
Helix 35	35	F	32	45	Right-handed alpha
Helix 36	36	F	67	80	Right-handed alpha
Helix 37	37	F	134	157	Right-handed alpha
Helix 38	38	F	158	163	Right-handed 310
Helix 39	39	F	164	167	Right-handed 310
Helix 40	40	F	168	177	Right-handed alpha
Helix 41	41	F	197	208	Right-handed alpha
Helix 42	42	G	32	45	Right-handed alpha
Helix 43	43	G	67	80	Right-handed alpha
Helix 44	44	G	134	157	Right-handed alpha
Helix 45	45	G	158	163	Right-handed 310
Helix 46	46	G	164	167	Right-handed 310
Helix 47	47	G	168	177	Right-handed alpha
Helix 48	48	G	199	207	Right-handed alpha
Helix 49	49	H	32	45	Right-handed alpha
Helix 50	50	H	67	80	Right-handed alpha
Helix 51	51	H	134	157	Right-handed alpha
Helix 52	52	H	158	163	Right-handed 310
Helix 53	53	H	164	167	Right-handed 310
Helix 54	54	H	168	177	Right-handed alpha
Helix 55	55	H	197	205	Right-handed alpha
Helix 56	56	I	32	45	Right-handed alpha
Helix 57	57	I	67	80	Right-handed alpha
Helix 58	58	I	134	157	Right-handed alpha
Helix 59	59	I	158	163	Right-handed 310
Helix 60	60	I	164	167	Right-handed 310
Helix 61	61	I	168	177	Right-handed alpha
Helix 62	62	I	187	191	Right-handed 310
Helix 63	63	I	197	206	Right-handed alpha
Helix 64	64	J	32	45	Right-handed alpha
Helix 65	65	J	67	80	Right-handed alpha
Helix 66	66	J	134	157	Right-handed alpha
Helix 67	67	J	158	163	Right-handed 310
Helix 68	68	J	164	167	Right-handed 310
Helix 69	69	J	168	177	Right-handed alpha
Helix 70	70	J	197	207	Right-handed alpha
Helix 71	71	K	32	45	Right-handed alpha
Helix 72	72	K	67	80	Right-handed alpha
Helix 73	73	K	134	157	Right-handed alpha
Helix 74	74	K	158	163	Right-handed 310
Helix 75	75	K	164	167	Right-handed 310
Helix 76	76	K	168	177	Right-handed alpha
Helix 77	77	K	197	209	Right-handed alpha
Helix 78	78	L	32	45	Right-handed alpha
Helix 79	79	L	67	80	Right-handed alpha
Helix 80	80	L	134	157	Right-handed alpha
Helix 81	81	L	158	163	Right-handed 310
Helix 82	82	L	164	167	Right-handed 310
Helix 83	83	L	168	177	Right-handed alpha
Helix 84	84	L	197	207	Right-handed alpha
Helix 85	85	M	32	45	Right-handed alpha
Helix 86	86	M	67	80	Right-handed alpha
Helix 87	87	M	134	157	Right-handed alpha
Helix 88	88	M	158	167	Right-handed 310
Helix 89	89	M	168	177	Right-handed alpha
Helix 90	90	M	187	191	Right-handed 310
Helix 91	91	M	197	208	Right-handed alpha
Helix 92	92	N	32	45	Right-handed alpha
Helix 93	93	N	67	80	Right-handed alpha
Helix 94	94	N	134	157	Right-handed alpha
Helix 95	95	N	158	163	Right-handed 310
Helix 96	96	N	164	167	Right-handed 310
Helix 97	97	N	168	177	Right-handed alpha
Helix 98	98	N	187	191	Right-handed 310
Helix 99	99	N	197	208	Right-handed alpha
Helix 100	100	O	32	45	Right-handed alpha
Helix 101	101	O	67	80	Right-handed alpha
Helix 102	102	O	134	157	Right-handed alpha
Helix 103	103	O	158	167	Right-handed 310
Helix 104	104	O	168	177	Right-handed alpha
Helix 105	105	O	197	208	Right-handed alpha
Helix 106	106	P	32	45	Right-handed alpha
Helix 107	107	P	67	80	Right-handed alpha
Helix 108	108	P	134	157	Right-handed alpha
Helix 109	109	P	158	163	Right-handed 310
Helix 110	110	P	164	167	Right-handed 310
Helix 111	111	P	168	177	Right-handed alpha
Helix 112	112	P	197	206	Right-handed alpha
Helix 113	113	Q	32	45	Right-handed alpha
Helix 114	114	Q	67	80	Right-handed alpha
Helix 115	115	Q	134	157	Right-handed alpha
Helix 116	116	Q	158	163	Right-handed 310
Helix 117	117	Q	164	167	Right-handed 310
Helix 118	118	Q	168	177	Right-handed alpha
Helix 119	119	Q	197	208	Right-handed alpha
Helix 120	120	R	32	45	Right-handed alpha
Helix 121	121	R	67	80	Right-handed alpha
Helix 122	122	R	134	157	Right-handed alpha
Helix 123	123	R	158	163	Right-handed 310
Helix 124	124	R	168	177	Right-handed alpha
Helix 125	125	R	187	191	Right-handed 310
Helix 126	126	R	197	208	Right-handed alpha
Helix 127	127	S	32	45	Right-handed alpha
Helix 128	128	S	67	80	Right-handed alpha
Helix 129	129	S	134	157	Right-handed alpha
Helix 130	130	S	158	167	Right-handed 310
Helix 131	131	S	168	177	Right-handed alpha
Helix 132	132	S	187	191	Right-handed 310
Helix 133	133	S	197	206	Right-handed alpha
Helix 134	134	T	32	45	Right-handed alpha
Helix 135	135	T	67	80	Right-handed alpha
Helix 136	136	T	134	157	Right-handed alpha
Helix 137	137	T	158	163	Right-handed 310
Helix 138	138	T	164	167	Right-handed 310
Helix 139	139	T	168	177	Right-handed alpha
Helix 140	140	T	197	206	Right-handed alpha
Helix 141	141	U	32	45	Right-handed alpha
Helix 142	142	U	67	80	Right-handed alpha
Helix 143	143	U	134	157	Right-handed alpha
Helix 144	144	U	158	163	Right-handed 310
Helix 145	145	U	164	167	Right-handed 310
Helix 146	146	U	168	177	Right-handed alpha
Helix 147	147	U	187	191	Right-handed 310
Helix 148	148	U	197	206	Right-handed alpha
Helix 149	149	V	32	45	Right-handed alpha
Helix 150	150	V	67	80	Right-handed alpha
Helix 151	151	V	134	157	Right-handed alpha
Helix 152	152	V	158	163	Right-handed 310
Helix 153	153	V	164	167	Right-handed 310
Helix 154	154	V	168	177	Right-handed alpha
Helix 155	155	V	187	191	Right-handed 310
Helix 156	156	V	197	206	Right-handed alpha
Helix 157	157	V	207	209	Right-handed 310

There are 44 sheets in PDB entry 1H2I. Click on sheet of interest to get list of strands forming it: AA, AB, BA, BB, CA, CB, A, DB, EA, EB, FA, FB, GA, GB, HA, HB, IA, IB, JA, JB, KA, KB, LA, LB, MA, MB, NA, NB, OA, OB, PA, PB, QA, QB, RA, RB, SA, SB, TA, TB, UA, UB, VA, VB,

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	52	56	first strand
Strand 2	A	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	84	98	first strand
Strand 2	A	103	115	anti-parallel
Strand 3	A	120	132	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	52	56	first strand
Strand 2	B	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	84	98	first strand
Strand 2	B	103	115	anti-parallel
Strand 3	B	120	132	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	52	56	first strand
Strand 2	C	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	84	98	first strand
Strand 2	C	103	115	anti-parallel
Strand 3	C	120	130	anti-parallel

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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	D	52	56	first strand
Strand 2	D	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	84	98	first strand
Strand 2	D	103	115	anti-parallel
Strand 3	D	120	130	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	52	56	first strand
Strand 2	E	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	84	98	first strand
Strand 2	E	103	115	anti-parallel
Strand 3	E	120	130	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	52	56	first strand
Strand 2	F	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	84	98	first strand
Strand 2	F	103	115	anti-parallel
Strand 3	F	120	130	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	52	56	first strand
Strand 2	G	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	84	98	first strand
Strand 2	G	103	115	anti-parallel
Strand 3	G	120	130	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	52	56	first strand
Strand 2	H	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	84	98	first strand
Strand 2	H	103	115	anti-parallel
Strand 3	H	120	130	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	52	56	first strand
Strand 2	I	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	84	98	first strand
Strand 2	I	103	115	anti-parallel
Strand 3	I	120	130	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	52	56	first strand
Strand 2	J	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	84	98	first strand
Strand 2	J	103	115	anti-parallel
Strand 3	J	120	132	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	52	56	first strand
Strand 2	K	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	84	98	first strand
Strand 2	K	103	115	anti-parallel
Strand 3	K	120	132	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	52	56	first strand
Strand 2	L	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	84	98	first strand
Strand 2	L	103	115	anti-parallel
Strand 3	L	120	130	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	52	56	first strand
Strand 2	M	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	84	98	first strand
Strand 2	M	103	115	anti-parallel
Strand 3	M	120	130	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	52	56	first strand
Strand 2	N	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	84	98	first strand
Strand 2	N	103	115	anti-parallel
Strand 3	N	120	132	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	52	56	first strand
Strand 2	O	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	84	98	first strand
Strand 2	O	103	115	anti-parallel
Strand 3	O	120	132	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	P	52	56	first strand
Strand 2	P	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	P	84	98	first strand
Strand 2	P	103	115	anti-parallel
Strand 3	P	120	132	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	Q	52	56	first strand
Strand 2	Q	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	Q	84	98	first strand
Strand 2	Q	103	115	anti-parallel
Strand 3	Q	120	130	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	R	52	56	first strand
Strand 2	R	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	R	84	98	first strand
Strand 2	R	103	115	anti-parallel
Strand 3	R	120	130	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	S	52	56	first strand
Strand 2	S	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	S	84	98	first strand
Strand 2	S	103	115	anti-parallel
Strand 3	S	120	132	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	T	52	56	first strand
Strand 2	T	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	T	84	98	first strand
Strand 2	T	103	115	anti-parallel
Strand 3	T	120	132	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	U	52	56	first strand
Strand 2	U	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	U	84	98	first strand
Strand 2	U	103	115	anti-parallel
Strand 3	U	120	130	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	V	52	56	first strand
Strand 2	V	62	66	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	V	84	98	first strand
Strand 2	V	103	115	anti-parallel
Strand 3	V	120	132	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: 1H2I

Analysis of interatomic Contacts of Structural Units in PDB entry:
1H2I