Calcium in PDB 1tm1: Crystal Structure of the Complex of Subtilisin Bpn' with Chymotrypsin Inhibitor 2

Enzymatic activity of Crystal Structure of the Complex of Subtilisin Bpn' with Chymotrypsin Inhibitor 2

All present enzymatic activity of Crystal Structure of the Complex of Subtilisin Bpn' with Chymotrypsin Inhibitor 2:
3.4.21.62;

Protein crystallography data

The structure of Crystal Structure of the Complex of Subtilisin Bpn' with Chymotrypsin Inhibitor 2, PDB code: 1tm1 was solved by E.S.Radisky, G.Kwan, C.J.Karen Lu, D.E.Koshland Jr., with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	81.65 / 1.70
*Space group*	P 6₅ 2 2
*Cell size a, b, c (Å), α, β, γ (°)*	93.720, 93.720, 185.853, 90.00, 90.00, 120.00
*R / R_free (%)*	15.1 / 18.2

Other elements in 1tm1:

The structure of Crystal Structure of the Complex of Subtilisin Bpn' with Chymotrypsin Inhibitor 2 also contains other interesting chemical elements:

Sodium

(Na)

1 atom

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of the Complex of Subtilisin Bpn' with Chymotrypsin Inhibitor 2 (pdb code 1tm1). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Crystal Structure of the Complex of Subtilisin Bpn' with Chymotrypsin Inhibitor 2, PDB code: 1tm1:

Calcium binding site 1 out of 1 in 1tm1

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Calcium Binding Sites List in 1tm1

Calcium binding site 1 out of 1 in the Crystal Structure of the Complex of Subtilisin Bpn' with Chymotrypsin Inhibitor 2

Mono view

Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of the Complex of Subtilisin Bpn' with Chymotrypsin Inhibitor 2 within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
E:Ca520 b:11.9 occ:1.00	O	E:VAL81	2.3	13.3	1.0
	O	E:LEU75	2.3	10.1	1.0
	O	E:ILE79	2.4	10.3	1.0
	OE1	E:GLN2	2.4	10.6	1.0
	OD1	E:ASN77	2.4	10.7	1.0
	OD1	E:ASP41	2.4	11.2	1.0
	OD2	E:ASP41	2.7	14.4	1.0
	CG	E:ASP41	3.0	11.5	1.0
	CG	E:ASN77	3.4	10.7	1.0
	CD	E:GLN2	3.4	12.1	1.0
	C	E:LEU75	3.5	8.9	1.0
	C	E:VAL81	3.5	10.8	1.0
	C	E:ILE79	3.6	12.7	1.0
	ND2	E:ASN77	3.8	12.0	1.0
	CG	E:GLN2	3.9	11.5	1.0
	N	E:VAL81	3.9	10.5	1.0
	N	E:ASN77	4.0	10.1	1.0
	C	E:GLY80	4.2	10.7	1.0
	N	E:LEU75	4.3	8.9	1.0
	CG1	E:ILE79	4.3	13.4	1.0
	N	E:ILE79	4.3	12.4	1.0
	CA	E:VAL81	4.3	10.9	1.0
	CA	E:LEU75	4.4	9.2	1.0
	N	E:ASN76	4.5	9.9	1.0
	N	E:LEU82	4.5	11.5	1.0
	CA	E:ILE79	4.5	12.3	1.0
	CB	E:ASP41	4.5	10.7	1.0
	CA	E:GLY80	4.5	10.7	1.0
	N	E:GLY80	4.5	11.3	1.0
	CB	E:GLN2	4.5	9.0	1.0
	CA	E:ASN76	4.6	10.6	1.0
	CB	E:ASN77	4.6	10.0	1.0
	O	E:ASN77	4.6	10.5	1.0
	CA	E:LEU82	4.6	10.7	1.0
	C	E:ASN77	4.6	11.0	1.0
	CA	E:ASN77	4.6	9.7	1.0
	NE2	E:GLN2	4.7	9.9	1.0
	CB	E:LEU75	4.7	8.2	1.0
	C	E:ASN76	4.7	11.3	1.0
	C	E:ALA74	4.8	9.0	1.0
	O	E:GLY80	4.9	11.6	1.0

Reference:

E.S.Radisky, G.Kwan, C.J.Karen Lu, D.E.Koshland Jr.. Binding, Proteolytic, and Crystallographic Analyses of Mutations at the Protease-Inhibitor Interface of the Subtilisin Bpn'/Chymotrypsin Inhibitor 2 Complex(,). Biochemistry V. 43 13648 2004.
ISSN: ISSN 0006-2960
PubMed: 15504027
DOI: 10.1021/BI048797K

Page generated: Thu Jul 11 23:06:50 2024

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