1MEP

crystal structure of streptavidin double mutant s45a/d128a with biotin: cooperative hydrogen-bond interactions in the streptavidin-biotin system.

• Total interactions analyzed: 6
• Total true interactions: 6
• Strongest Interaction:
  • Chains: C-D
  • Int. Res.: 146
  • Norm. En. per Res.: -4.4644
• Hub Node: A(3)

All Interactions

Chains	Hydro. Bond Ener. (kJ/mol)	Elec. Ener. (kJ/mol)	VDW. Ener. (kJ/mol)	Tot. Stab. Ener. (kJ/mol)	#int. res.	# Short cont.	#Hydr. int.	#VDW pairs	#salt bridges	#Pot. fav. elec. int	#Pot. unfav. elec. int
A-B	-67.7888	-49.3253	-470.305	-587.4191	150	25	13	18837	5	15	13
A-C	0.0	8.4009	-54.8243	-46.4234	25	1	0	1595	0	0	3
A-D	-24.3427	0.0	-136.366	-160.7087	60	3	3	5350	0	0	3
B-C	-23.6931	0.0	-134.721	-158.4141	59	2	2	5334	0	0	3
B-D	0.0	9.8072	-54.5714	-44.7642	24	2	0	1593	0	0	3
C-D	-72.7255	-80.076	-498.999	-651.8005	146	29	13	18997	5	14	14

Interface residues

• A-B: ALA100B, ALA117A, ALA117B, ALA119A, ALA119B, ALA35A, ALA35B, ALA38A, ALA38B, ALA63A, ALA63B, ALA65A, ALA65B, ALA72A, ALA72B, ALA78A, ALA78B, ALA86A, ALA86B, ALA89A, ALA89B, ARG103A, ARG103B, ARG59A, ARG59B, ASN105A, ASN105B, ASN118A, ASN118B, ASN81A, ASN81B, ASN82A, ASN85A, ASN85B, ASP36A, ASP36B, ASP61A, ASP61B, ASP67A, ASP67B, GLN107A, GLN107B, GLN95A, GLN95B, GLU101A, GLU101B, GLU116A, GLU116B, GLY113A, GLY113B, GLY126A, GLY126B, GLY37A, GLY37B, GLY41A, GLY41B, GLY58A, GLY58B, GLY68A, GLY68B, GLY70A, GLY70B, GLY74A, GLY74B, GLY94A, GLY94B, GLY98A, GLY98B, GLY99B, HIS127A, HIS127B, HIS87A, HIS87B, ILE104B, LEU109A, LEU109B, LEU110A, LEU110B, LEU124A, LEU124B, LEU39A, LEU39B, LEU56A, LEU56B, LEU73A, LEU73B, LYS80A, LYS80B, PRO64A, PRO64B, SER112A, SER112B, SER122A, SER122B, SER62A, SER62B, SER69A, SER69B, SER88A, SER88B, SER93A, SER93B, THR106A, THR106B, THR111A, THR111B, THR114A, THR114B, THR115A, THR115B, THR123A, THR123B, THR40A, THR40B, THR57A, THR57B, THR66A, THR66B, THR71A, THR71B, THR76A, THR76B, THR90A, THR90B, THR91A, THR91B, TRP108A, TRP108B, TRP120A, TRP120B, TRP75A, TRP75B, TRP79A, TRP79B, TRP92A, TRP92B, TYR54A, TYR54B, TYR60A, TYR60B, TYR96A, TYR96B, VAL125A, VAL125B, VAL55A, VAL55B, VAL77A, VAL77B, VAL97A, VAL97B
• A-C: ALA128A, ALA128C, ASN105A, ASN105C, GLN107A, GLN107C, GLN24C, GLY126A, GLY126C, HIS127A, HIS127C, LEU109A, LEU109C, LEU124A, LEU124C, SER93A, SER93C, THR106A, THR106C, THR129A, THR129C, TRP108A, TRP108C, VAL125A, VAL125C
• A-D: ALA117A, ALA117D, ALA119A, ALA119D, ALA128A, ALA128D, ALA45A, ALA45D, ALA46D, ALA50A, ASN118A, ASN118D, ASN23A, ASN23D, ASN49A, ASN49D, GLN107A, GLN107D, GLN24A, GLN24D, GLU116A, GLU116D, GLY126A, GLY126D, GLY48A, GLY48D, HIS127A, HIS127D, LEU109A, LEU109D, LEU110A, LEU110D, LEU124A, LEU124D, LEU25A, LEU25D, LYS121A, LYS121D, SER112A, SER112D, SER122A, SER122D, THR111A, THR111D, THR114A, THR114D, THR123A, THR123D, THR90A, THR90D, TRP108A, TRP108D, TRP120A, TRP120D, TRP79A, TRP79D, VAL125A, VAL125D, VAL47A, VAL47D
• B-C: ALA117B, ALA117C, ALA119B, ALA119C, ALA128B, ALA128C, ALA45B, ALA45C, ALA50B, ASN118B, ASN118C, ASN23B, ASN23C, ASN49B, ASN49C, GLN107B, GLN107C, GLN24B, GLN24C, GLU116B, GLU116C, GLY126B, GLY126C, GLY48B, GLY48C, HIS127B, HIS127C, LEU109B, LEU109C, LEU110B, LEU110C, LEU124B, LEU124C, LEU25B, LEU25C, LYS121B, LYS121C, SER112B, SER112C, SER122B, SER122C, THR111B, THR111C, THR114B, THR114C, THR123B, THR123C, THR90B, THR90C, TRP108B, TRP108C, TRP120B, TRP120C, TRP79B, TRP79C, VAL125B, VAL125C, VAL47B, VAL47C
• B-D: ALA128B, ALA128D, ASN105B, ASN105D, GLN107B, GLN107D, GLY126B, GLY126D, HIS127B, HIS127D, LEU109B, LEU109D, LEU124B, LEU124D, SER93B, SER93D, THR106B, THR106D, THR129B, THR129D, TRP108B, TRP108D, VAL125B, VAL125D
• C-D: ALA100C, ALA117C, ALA117D, ALA119C, ALA119D, ALA35C, ALA35D, ALA38C, ALA38D, ALA63C, ALA63D, ALA65C, ALA65D, ALA72C, ALA72D, ALA78C, ALA78D, ALA86C, ALA86D, ALA89C, ALA89D, ARG103C, ARG103D, ARG59C, ARG59D, ASN105C, ASN105D, ASN118C, ASN118D, ASN81C, ASN81D, ASN85C, ASN85D, ASP36C, ASP36D, ASP61C, ASP61D, ASP67C, ASP67D, GLN107C, GLN107D, GLN95C, GLN95D, GLU116C, GLU116D, GLY113C, GLY113D, GLY126C, GLY126D, GLY37C, GLY37D, GLY41C, GLY41D, GLY58C, GLY58D, GLY68C, GLY68D, GLY70C, GLY70D, GLY74C, GLY74D, GLY94C, GLY94D, GLY98C, GLY98D, GLY99C, HIS127C, HIS127D, HIS87C, HIS87D, LEU109C, LEU109D, LEU110C, LEU110D, LEU124C, LEU124D, LEU39C, LEU39D, LEU56C, LEU56D, LEU73C, LEU73D, LYS80C, LYS80D, PRO64C, PRO64D, SER112C, SER112D, SER122C, SER122D, SER62C, SER62D, SER69C, SER69D, SER88C, SER88D, SER93C, SER93D, THR106C, THR106D, THR111C, THR111D, THR114C, THR114D, THR115C, THR115D, THR123C, THR123D, THR40C, THR40D, THR57C, THR57D, THR66C, THR66D, THR71C, THR71D, THR76C, THR76D, THR90C, THR90D, THR91C, THR91D, TRP108C, TRP108D, TRP120C, TRP120D, TRP75C, TRP75D, TRP79C, TRP79D, TRP92C, TRP92D, TYR54C, TYR54D, TYR60C, TYR60D, TYR96C, TYR96D, VAL125C, VAL125D, VAL55C, VAL55D, VAL77C, VAL77D, VAL97C, VAL97D